./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test26-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test26-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt --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 8f6e10ab52ab9f08c67c483ecb655de1c57a1f14 ......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:10:39,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:10:39,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:10:39,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:10:39,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:10:39,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:10:39,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:10:39,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:10:39,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:10:39,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:10:39,509 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:10:39,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:10:39,512 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:10:39,513 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:10:39,518 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:10:39,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:10:39,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:10:39,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:10:39,535 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:10:39,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:10:39,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:10:39,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:10:39,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:10:39,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:10:39,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:10:39,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:10:39,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:10:39,563 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:10:39,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:10:39,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:10:39,566 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:10:39,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:10:39,569 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:10:39,570 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:10:39,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:10:39,572 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:10:39,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:10:39,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:10:39,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:10:39,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:10:39,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:10:39,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-13 01:10:39,614 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:10:39,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:10:39,615 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:10:39,616 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:10:39,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:10:39,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:10:39,618 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:10:39,619 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:10:39,619 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:10:39,619 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:10:39,620 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:10:39,620 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:10:39,620 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:10:39,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:10:39,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 01:10:39,621 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:10:39,622 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:10:39,622 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 01:10:39,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:10:39,623 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:10:39,623 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:10:39,623 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:10:39,624 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 01:10:39,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:10:39,625 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:10:39,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:10:39,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:10:39,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:10:39,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:10:39,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:10:39,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:10:39,627 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:10:39,628 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:10:39,628 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_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8f6e10ab52ab9f08c67c483ecb655de1c57a1f14 [2021-10-13 01:10:39,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:10:39,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:10:39,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:10:39,943 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:10:39,945 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:10:39,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/ldv-regression/test26-2.c [2021-10-13 01:10:40,032 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/data/369cffcfe/ef9b71c1665148048bd4c3d3abe6592e/FLAG52d398f12 [2021-10-13 01:10:40,743 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:10:40,743 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/sv-benchmarks/c/ldv-regression/test26-2.c [2021-10-13 01:10:40,751 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/data/369cffcfe/ef9b71c1665148048bd4c3d3abe6592e/FLAG52d398f12 [2021-10-13 01:10:41,105 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/data/369cffcfe/ef9b71c1665148048bd4c3d3abe6592e [2021-10-13 01:10:41,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:10:41,114 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:10:41,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:10:41,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:10:41,124 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:10:41,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5500c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41, skipping insertion in model container [2021-10-13 01:10:41,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:10:41,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:10:41,377 WARN L228 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_f70267d0-a488-49b2-8eeb-2be4149021d6/sv-benchmarks/c/ldv-regression/test26-2.c[493,506] [2021-10-13 01:10:41,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:10:41,391 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:10:41,408 WARN L228 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_f70267d0-a488-49b2-8eeb-2be4149021d6/sv-benchmarks/c/ldv-regression/test26-2.c[493,506] [2021-10-13 01:10:41,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:10:41,425 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:10:41,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41 WrapperNode [2021-10-13 01:10:41,426 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:10:41,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:10:41,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:10:41,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:10:41,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,443 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:10:41,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:10:41,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:10:41,467 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:10:41,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,495 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:10:41,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:10:41,507 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:10:41,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:10:41,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (1/1) ... [2021-10-13 01:10:41,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:10:41,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:10:41,563 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:10:41,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:10:41,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:10:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:10:41,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:10:41,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:10:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 01:10:41,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:10:41,866 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:10:41,867 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-13 01:10:41,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:10:41 BoogieIcfgContainer [2021-10-13 01:10:41,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:10:41,871 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:10:41,871 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:10:41,875 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:10:41,880 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:10:41,880 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:10:41" (1/3) ... [2021-10-13 01:10:41,886 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71961218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:10:41, skipping insertion in model container [2021-10-13 01:10:41,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:10:41,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:10:41" (2/3) ... [2021-10-13 01:10:41,888 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71961218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:10:41, skipping insertion in model container [2021-10-13 01:10:41,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:10:41,888 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:10:41" (3/3) ... [2021-10-13 01:10:41,890 INFO L389 chiAutomizerObserver]: Analyzing ICFG test26-2.c [2021-10-13 01:10:41,979 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:10:41,979 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:10:41,980 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:10:41,980 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:10:41,980 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:10:41,980 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:10:41,980 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:10:41,981 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:10:42,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2021-10-13 01:10:42,062 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:10:42,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:10:42,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:10:42 BoogieIcfgContainer [2021-10-13 01:10:42,068 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:10:42,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:10:42,070 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:10:42,077 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:10:42,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:10:41" (3/4) ... [2021-10-13 01:10:42,081 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:10:42,081 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:10:42,084 INFO L168 Benchmark]: Toolchain (without parser) took 968.79 ms. Allocated memory is still 111.1 MB. Free memory was 79.2 MB in the beginning and 68.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:42,085 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 111.1 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:10:42,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.03 ms. Allocated memory is still 111.1 MB. Free memory was 79.0 MB in the beginning and 85.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:42,088 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 111.1 MB. Free memory was 85.7 MB in the beginning and 84.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:42,089 INFO L168 Benchmark]: Boogie Preprocessor took 37.25 ms. Allocated memory is still 111.1 MB. Free memory was 84.4 MB in the beginning and 83.4 MB in the end (delta: 936.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:42,091 INFO L168 Benchmark]: RCFGBuilder took 363.33 ms. Allocated memory is still 111.1 MB. Free memory was 83.4 MB in the beginning and 73.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:42,092 INFO L168 Benchmark]: BuchiAutomizer took 197.60 ms. Allocated memory is still 111.1 MB. Free memory was 73.9 MB in the beginning and 68.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-13 01:10:42,093 INFO L168 Benchmark]: Witness Printer took 12.02 ms. Allocated memory is still 111.1 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 162.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:10:42,101 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 111.1 MB. Free memory is still 62.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 307.03 ms. Allocated memory is still 111.1 MB. Free memory was 79.0 MB in the beginning and 85.7 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.23 ms. Allocated memory is still 111.1 MB. Free memory was 85.7 MB in the beginning and 84.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.25 ms. Allocated memory is still 111.1 MB. Free memory was 84.4 MB in the beginning and 83.4 MB in the end (delta: 936.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 363.33 ms. Allocated memory is still 111.1 MB. Free memory was 83.4 MB in the beginning and 73.9 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 197.60 ms. Allocated memory is still 111.1 MB. Free memory was 73.9 MB in the beginning and 68.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 12.02 ms. Allocated memory is still 111.1 MB. Free memory was 68.9 MB in the beginning and 68.8 MB in the end (delta: 162.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.1s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:10:42,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f70267d0-a488-49b2-8eeb-2be4149021d6/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...