./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ --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 b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:10:38,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:10:38,555 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:10:38,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:10:38,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:10:38,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:10:38,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:10:38,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:10:38,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:10:38,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:10:38,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:10:38,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:10:38,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:10:38,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:10:38,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:10:38,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:10:38,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:10:38,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:10:38,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:10:38,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:10:38,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:10:38,628 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:10:38,629 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:10:38,630 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:10:38,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:10:38,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:10:38,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:10:38,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:10:38,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:10:38,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:10:38,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:10:38,649 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:10:38,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:10:38,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:10:38,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:10:38,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:10:38,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:10:38,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:10:38,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:10:38,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:10:38,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:10:38,659 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-10-17 10:10:38,699 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:10:38,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:10:38,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:10:38,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:10:38,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:10:38,701 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:10:38,701 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:10:38,702 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:10:38,702 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:10:38,702 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:10:38,703 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:10:38,703 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:10:38,704 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:10:38,704 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:10:38,704 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:10:38,704 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:10:38,704 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:10:38,705 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:10:38,705 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:10:38,705 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:10:38,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:10:38,706 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:10:38,706 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:10:38,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:10:38,706 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:10:38,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:10:38,707 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:10:38,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:10:38,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:10:38,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:10:38,708 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:10:38,709 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:10:38,709 INFO L138 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_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 [2022-10-17 10:10:38,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:10:39,020 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:10:39,023 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:10:39,024 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:10:39,025 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:10:39,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2022-10-17 10:10:39,092 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/data/e9489fff0/8d14f5edfed54cac9fe18b49f9c80e88/FLAG046f32ccb [2022-10-17 10:10:39,508 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:10:39,508 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2022-10-17 10:10:39,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/data/e9489fff0/8d14f5edfed54cac9fe18b49f9c80e88/FLAG046f32ccb [2022-10-17 10:10:39,907 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/data/e9489fff0/8d14f5edfed54cac9fe18b49f9c80e88 [2022-10-17 10:10:39,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:10:39,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:10:39,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:10:39,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:10:39,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:10:39,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:10:39" (1/1) ... [2022-10-17 10:10:39,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ef9e370 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:39, skipping insertion in model container [2022-10-17 10:10:39,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:10:39" (1/1) ... [2022-10-17 10:10:39,929 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:10:39,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:10:40,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i[821,834] [2022-10-17 10:10:40,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:10:40,181 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:10:40,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i[821,834] [2022-10-17 10:10:40,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:10:40,211 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:10:40,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40 WrapperNode [2022-10-17 10:10:40,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:10:40,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:10:40,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:10:40,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:10:40,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,248 INFO L138 Inliner]: procedures = 16, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2022-10-17 10:10:40,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:10:40,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:10:40,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:10:40,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:10:40,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,270 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,273 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:10:40,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:10:40,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:10:40,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:10:40,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (1/1) ... [2022-10-17 10:10:40,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:40,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:40,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:40,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:10:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:10:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 10:10:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:10:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:10:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:10:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:10:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:10:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:10:40,452 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:10:40,454 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:10:40,600 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:10:40,605 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:10:40,605 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 10:10:40,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:40 BoogieIcfgContainer [2022-10-17 10:10:40,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:10:40,608 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:10:40,608 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:10:40,612 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:10:40,613 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:40,613 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:10:39" (1/3) ... [2022-10-17 10:10:40,614 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@de78af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:10:40, skipping insertion in model container [2022-10-17 10:10:40,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:40,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:10:40" (2/3) ... [2022-10-17 10:10:40,614 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@de78af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:10:40, skipping insertion in model container [2022-10-17 10:10:40,614 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:10:40,615 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:40" (3/3) ... [2022-10-17 10:10:40,616 INFO L332 chiAutomizerObserver]: Analyzing ICFG array_ptr_single_elem_init-2.i [2022-10-17 10:10:40,683 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:10:40,683 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:10:40,683 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:10:40,683 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:10:40,683 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:10:40,683 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:10:40,684 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:10:40,684 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:10:40,688 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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) [2022-10-17 10:10:40,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-10-17 10:10:40,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:40,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:40,709 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:10:40,709 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:10:40,709 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:10:40,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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) [2022-10-17 10:10:40,712 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2022-10-17 10:10:40,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:40,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:40,712 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:10:40,712 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:10:40,719 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0; 3#L21-3true [2022-10-17 10:10:40,720 INFO L750 eck$LassoCheckResult]: Loop: 3#L21-3true assume !!(main_~i~0#1 < 100000);main_~q~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 8#L25true assume 0 == main_~q~0#1;call write~int(1, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4);call write~int((if main_~i~0#1 < 0 && 0 != main_~i~0#1 % 2 then main_~i~0#1 % 2 - 2 else main_~i~0#1 % 2), main_~#b~0#1.base, main_~#b~0#1.offset + 4 * main_~i~0#1, 4); 14#L25-2true call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 5#L30true assume !(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 17#L21-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 3#L21-3true [2022-10-17 10:10:40,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:40,725 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-10-17 10:10:40,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:40,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279721394] [2022-10-17 10:10:40,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:40,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:40,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:40,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:40,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:40,905 INFO L85 PathProgramCache]: Analyzing trace with hash 38268879, now seen corresponding path program 1 times [2022-10-17 10:10:40,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:40,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046487465] [2022-10-17 10:10:40,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:40,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:40,954 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:40,987 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:40,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:40,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1809708365, now seen corresponding path program 1 times [2022-10-17 10:10:40,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:40,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334176366] [2022-10-17 10:10:40,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:40,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:41,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:41,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:10:41,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334176366] [2022-10-17 10:10:41,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334176366] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:10:41,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:10:41,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:10:41,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794628771] [2022-10-17 10:10:41,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:10:41,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:10:41,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-17 10:10:41,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-17 10:10:41,898 INFO L87 Difference]: Start difference. First operand has 19 states, 18 states have (on average 1.5) internal successors, (27), 18 states have internal predecessors, (27), 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 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:42,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:10:42,000 INFO L93 Difference]: Finished difference Result 23 states and 29 transitions. [2022-10-17 10:10:42,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 29 transitions. [2022-10-17 10:10:42,007 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 15 [2022-10-17 10:10:42,011 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 18 states and 24 transitions. [2022-10-17 10:10:42,013 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-10-17 10:10:42,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-10-17 10:10:42,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2022-10-17 10:10:42,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:10:42,015 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-10-17 10:10:42,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2022-10-17 10:10:42,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-10-17 10:10:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.3125) internal successors, (21), 15 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) [2022-10-17 10:10:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 21 transitions. [2022-10-17 10:10:42,034 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-10-17 10:10:42,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-17 10:10:42,041 INFO L428 stractBuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2022-10-17 10:10:42,041 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:10:42,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 21 transitions. [2022-10-17 10:10:42,044 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 13 [2022-10-17 10:10:42,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:42,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:42,044 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-10-17 10:10:42,045 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-10-17 10:10:42,045 INFO L748 eck$LassoCheckResult]: Stem: 62#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2); 63#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0; 59#L21-3 [2022-10-17 10:10:42,045 INFO L750 eck$LassoCheckResult]: Loop: 59#L21-3 assume !!(main_~i~0#1 < 100000);main_~q~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;call write~int(0, main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 61#L25 assume !(0 == main_~q~0#1); 69#L25-2 call main_#t~mem3#1 := read~int(main_~#a~0#1.base, main_~#a~0#1.offset + 4 * main_~i~0#1, 4); 74#L30 assume !(0 != main_#t~mem3#1);havoc main_#t~mem3#1; 71#L21-2 main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 59#L21-3 [2022-10-17 10:10:42,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:42,048 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-10-17 10:10:42,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:42,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010496360] [2022-10-17 10:10:42,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:42,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:42,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:42,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:42,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:42,093 INFO L85 PathProgramCache]: Analyzing trace with hash 38328461, now seen corresponding path program 1 times [2022-10-17 10:10:42,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:42,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503713617] [2022-10-17 10:10:42,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:42,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:42,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:42,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:42,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:42,110 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:42,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:42,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1809767947, now seen corresponding path program 1 times [2022-10-17 10:10:42,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:42,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769326730] [2022-10-17 10:10:42,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:42,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:42,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:42,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:42,585 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:42,586 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:42,586 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:42,586 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:42,586 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:10:42,586 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:42,586 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:42,586 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:42,587 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration2_Lasso [2022-10-17 10:10:42,587 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:42,587 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:42,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,641 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,644 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,646 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,649 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,651 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,653 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,658 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,857 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:42,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:43,132 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:43,136 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:10:43,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,140 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:10:43,144 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 [2022-10-17 10:10:43,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:43,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:43,156 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:43,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,202 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:10:43,209 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 [2022-10-17 10:10:43,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,227 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:10:43,227 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:10:43,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:43,298 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,298 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:43,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:43,300 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:43,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:10:43,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,352 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-10-17 10:10:43,367 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,371 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:10:43,371 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:10:43,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:10:43,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,416 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:10:43,417 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 [2022-10-17 10:10:43,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:43,428 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,428 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,428 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:43,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:43,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,478 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:10:43,483 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 [2022-10-17 10:10:43,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:43,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,493 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:10:43,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,495 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:10:43,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:43,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,528 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:10:43,533 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 [2022-10-17 10:10:43,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,540 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:10:43,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:10:43,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:43,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,604 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,611 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 [2022-10-17 10:10:43,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:43,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:43,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:43,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:43,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:10:43,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:10:43,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:10:43,654 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:10:43,716 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-10-17 10:10:43,716 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-10-17 10:10:43,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:43,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:43,732 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:43,772 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:10:43,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:10:43,801 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-10-17 10:10:43,801 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:10:43,802 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1, ULTIMATE.start_main_~i~0#1) = 199999*v_rep(select #length ULTIMATE.start_main_~#a~0#1.base)_1 - 8*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-10-17 10:10:43,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:43,891 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2022-10-17 10:10:43,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:43,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:10:43,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:43,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 10:10:43,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:44,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:44,074 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 [2022-10-17 10:10:44,077 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:44,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-10-17 10:10:44,137 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 21 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 36 transitions. Complement of second has 7 states. [2022-10-17 10:10:44,138 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 [2022-10-17 10:10:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:44,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2022-10-17 10:10:44,142 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 5 letters. [2022-10-17 10:10:44,142 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:44,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 5 letters. [2022-10-17 10:10:44,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:44,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 10 letters. [2022-10-17 10:10:44,143 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:44,144 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2022-10-17 10:10:44,153 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:10:44,155 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 17 states and 23 transitions. [2022-10-17 10:10:44,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-10-17 10:10:44,157 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-10-17 10:10:44,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 23 transitions. [2022-10-17 10:10:44,157 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:10:44,157 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-10-17 10:10:44,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 23 transitions. [2022-10-17 10:10:44,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-10-17 10:10:44,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.3529411764705883) 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) [2022-10-17 10:10:44,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 23 transitions. [2022-10-17 10:10:44,162 INFO L240 hiAutomatonCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-10-17 10:10:44,162 INFO L428 stractBuchiCegarLoop]: Abstraction has 17 states and 23 transitions. [2022-10-17 10:10:44,162 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-10-17 10:10:44,162 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 23 transitions. [2022-10-17 10:10:44,164 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-10-17 10:10:44,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:10:44,164 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:10:44,164 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-10-17 10:10:44,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-10-17 10:10:44,165 INFO L748 eck$LassoCheckResult]: Stem: 186#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2); 187#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~mem3#1, main_#t~mem4#1, main_#t~post1#1, main_~q~0#1, main_#t~mem6#1, main_#t~post5#1, main_~i~0#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset, main_~c~0#1;havoc main_~i~0#1;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(400000);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(400000);havoc main_~c~0#1;main_~i~0#1 := 0; 180#L21-3 assume !(main_~i~0#1 < 100000); 181#L21-4 call write~int(1, main_~#a~0#1.base, 60000 + main_~#a~0#1.offset, 4);main_~i~0#1 := 0; 189#L43-3 [2022-10-17 10:10:44,165 INFO L750 eck$LassoCheckResult]: Loop: 189#L43-3 assume !!(main_~i~0#1 < 100000); 194#L45 assume !(15000 == main_~i~0#1); 188#L43-2 main_#t~post5#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 189#L43-3 [2022-10-17 10:10:44,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:44,165 INFO L85 PathProgramCache]: Analyzing trace with hash 925725, now seen corresponding path program 1 times [2022-10-17 10:10:44,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:44,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791637796] [2022-10-17 10:10:44,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:44,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:44,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:10:44,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791637796] [2022-10-17 10:10:44,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791637796] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:10:44,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:10:44,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 10:10:44,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100398689] [2022-10-17 10:10:44,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:10:44,196 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-10-17 10:10:44,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:44,197 INFO L85 PathProgramCache]: Analyzing trace with hash 71947, now seen corresponding path program 1 times [2022-10-17 10:10:44,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:10:44,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681757648] [2022-10-17 10:10:44,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:10:44,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:10:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:44,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:10:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:10:44,204 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:10:44,227 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:44,227 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:44,228 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:44,228 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:44,228 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:10:44,228 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:44,228 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:44,228 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:44,229 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration3_Loop [2022-10-17 10:10:44,229 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:44,229 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:44,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:44,232 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:44,278 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:44,279 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:10:44,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:44,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:44,291 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:44,304 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:44,304 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:44,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:10:44,329 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:10:44,329 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5#1=0} Honda state: {ULTIMATE.start_main_#t~post5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:10:44,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:44,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:44,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:44,372 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:44,378 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:10:44,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:44,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-10-17 10:10:44,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:44,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:44,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:44,437 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:44,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:10:44,443 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:10:44,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-10-17 10:10:44,568 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:10:44,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:44,575 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:10:44,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:10:44,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:10:44,575 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:10:44,575 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:10:44,575 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:44,575 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:10:44,575 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:10:44,575 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_ptr_single_elem_init-2.i_Iteration3_Loop [2022-10-17 10:10:44,575 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:10:44,576 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:10:44,576 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:44,581 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:10:44,649 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:10:44,650 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:10:44,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:44,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:44,651 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:44,661 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 [2022-10-17 10:10:44,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:44,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:44,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:44,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:10:44,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:44,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:10:44,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:44,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-10-17 10:10:44,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:10:44,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:44,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:44,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:44,721 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:44,726 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 [2022-10-17 10:10:44,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:10:44,735 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:10:44,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:10:44,735 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-10-17 10:10:44,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:10:44,739 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-10-17 10:10:44,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:10:44,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-10-17 10:10:44,751 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:10:44,755 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-10-17 10:10:44,755 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-10-17 10:10:44,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:10:44,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:10:44,756 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:10:44,762 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:10:44,762 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-10-17 10:10:44,762 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:10:44,762 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 199999 Supporting invariants [] [2022-10-17 10:10:44,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-10-17 10:10:44,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:44,798 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-10-17 10:10:44,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:10:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:44,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-17 10:10:44,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:10:44,842 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 10:10:44,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:10:44,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:10:44,866 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 [2022-10-17 10:10:44,866 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:44,886 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 23 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 30 transitions. Complement of second has 4 states. [2022-10-17 10:10:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-10-17 10:10:44,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:10:44,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 19 transitions. [2022-10-17 10:10:44,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 3 letters. [2022-10-17 10:10:44,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:44,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 7 letters. Loop has 3 letters. [2022-10-17 10:10:44,890 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:44,890 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 19 transitions. Stem has 4 letters. Loop has 6 letters. [2022-10-17 10:10:44,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:10:44,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 30 transitions. [2022-10-17 10:10:44,893 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:10:44,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2022-10-17 10:10:44,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:10:44,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:10:44,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:10:44,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:10:44,894 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:44,894 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:44,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:10:44,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 10:10:44,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 10:10:44,896 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. 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) [2022-10-17 10:10:44,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 10:10:44,896 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-10-17 10:10:44,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2022-10-17 10:10:44,897 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:10:44,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2022-10-17 10:10:44,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:10:44,897 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:10:44,897 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:10:44,897 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:10:44,897 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:44,897 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:44,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-17 10:10:44,898 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:10:44,898 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-10-17 10:10:44,899 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:10:44,899 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:10:44,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:10:44,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:10:44 BoogieIcfgContainer [2022-10-17 10:10:44,907 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:10:44,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:10:44,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:10:44,908 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:10:44,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:10:40" (3/4) ... [2022-10-17 10:10:44,911 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:10:44,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:10:44,918 INFO L158 Benchmark]: Toolchain (without parser) took 4999.57ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 82.6MB in the beginning and 93.5MB in the end (delta: -10.9MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2022-10-17 10:10:44,918 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:10:44,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.03ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 96.6MB in the end (delta: -14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:10:44,920 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.35ms. Allocated memory is still 121.6MB. Free memory was 96.6MB in the beginning and 95.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:10:44,920 INFO L158 Benchmark]: Boogie Preprocessor took 24.19ms. Allocated memory is still 121.6MB. Free memory was 95.0MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:10:44,921 INFO L158 Benchmark]: RCFGBuilder took 333.06ms. Allocated memory is still 121.6MB. Free memory was 94.0MB in the beginning and 82.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 10:10:44,926 INFO L158 Benchmark]: BuchiAutomizer took 4299.07ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 81.9MB in the beginning and 93.5MB in the end (delta: -11.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-10-17 10:10:44,927 INFO L158 Benchmark]: Witness Printer took 3.63ms. Allocated memory is still 157.3MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:10:44,929 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 121.6MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.03ms. Allocated memory is still 121.6MB. Free memory was 82.5MB in the beginning and 96.6MB in the end (delta: -14.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.35ms. Allocated memory is still 121.6MB. Free memory was 96.6MB in the beginning and 95.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.19ms. Allocated memory is still 121.6MB. Free memory was 95.0MB in the beginning and 94.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.06ms. Allocated memory is still 121.6MB. Free memory was 94.0MB in the beginning and 82.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 4299.07ms. Allocated memory was 121.6MB in the beginning and 157.3MB in the end (delta: 35.7MB). Free memory was 81.9MB in the beginning and 93.5MB in the end (delta: -11.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Witness Printer took 3.63ms. Allocated memory is still 157.3MB. Free memory is still 93.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 199999 * unknown-#length-unknown[a] + -8 * i and consists of 4 locations. One deterministic module has affine ranking function -2 * i + 199999 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 27 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 34 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT1 lasso1 LassoPreprocessingBenchmarks: Lassos: inital58 mio100 ax100 hnf100 lsp96 ukn92 mio100 lsp79 div100 bol100 ite100 ukn100 eq166 hnf94 smp100 dnf143 smp94 tf103 neg96 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 10:10:44,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-10-17 10:10:45,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03d22055-3466-42ac-a103-4ea108ddb1f1/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE