./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/count_by_1_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/count_by_1_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8 --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 8873a5afb79ec0e8798e8f1423b386b30ed09073bcea97b4a19d8bc56ced7206 --- 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-2329fc7 [2022-12-13 12:51:39,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:51:39,726 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:51:39,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:51:39,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:51:39,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:51:39,745 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:51:39,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:51:39,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:51:39,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:51:39,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:51:39,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:51:39,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:51:39,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:51:39,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:51:39,754 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:51:39,754 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:51:39,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:51:39,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:51:39,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:51:39,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:51:39,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:51:39,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:51:39,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:51:39,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:51:39,765 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:51:39,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:51:39,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:51:39,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:51:39,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:51:39,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:51:39,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:51:39,769 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:51:39,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:51:39,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:51:39,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:51:39,771 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:51:39,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:51:39,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:51:39,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:51:39,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:51:39,774 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 12:51:39,794 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:51:39,794 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:51:39,795 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:51:39,800 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:51:39,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:51:39,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:51:39,802 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:51:39,802 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 12:51:39,802 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 12:51:39,802 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 12:51:39,803 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 12:51:39,803 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 12:51:39,803 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 12:51:39,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:51:39,803 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 12:51:39,803 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:51:39,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:51:39,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 12:51:39,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:51:39,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 12:51:39,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 12:51:39,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 12:51:39,805 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 12:51:39,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:51:39,805 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 12:51:39,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:51:39,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 12:51:39,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:51:39,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:51:39,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:51:39,806 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:51:39,807 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 12:51:39,807 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_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8873a5afb79ec0e8798e8f1423b386b30ed09073bcea97b4a19d8bc56ced7206 [2022-12-13 12:51:40,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:51:40,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:51:40,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:51:40,027 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:51:40,027 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:51:40,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/loop-new/count_by_1_variant.i [2022-12-13 12:51:42,593 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:51:42,758 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:51:42,758 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/sv-benchmarks/c/loop-new/count_by_1_variant.i [2022-12-13 12:51:42,764 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/data/acacdc906/dbf8c42e089547819bee0030780aa38c/FLAGc6fbf71dd [2022-12-13 12:51:43,166 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/data/acacdc906/dbf8c42e089547819bee0030780aa38c [2022-12-13 12:51:43,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:51:43,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:51:43,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:51:43,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:51:43,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:51:43,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe1afe8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43, skipping insertion in model container [2022-12-13 12:51:43,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:51:43,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:51:43,303 WARN L237 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_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/sv-benchmarks/c/loop-new/count_by_1_variant.i[891,904] [2022-12-13 12:51:43,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:51:43,315 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:51:43,323 WARN L237 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_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/sv-benchmarks/c/loop-new/count_by_1_variant.i[891,904] [2022-12-13 12:51:43,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:51:43,333 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:51:43,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43 WrapperNode [2022-12-13 12:51:43,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:51:43,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:51:43,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:51:43,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:51:43,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,354 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2022-12-13 12:51:43,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:51:43,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:51:43,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:51:43,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:51:43,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,365 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,365 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:51:43,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:51:43,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:51:43,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:51:43,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (1/1) ... [2022-12-13 12:51:43,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:51:43,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:51:43,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:51:43,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 12:51:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:51:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:51:43,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:51:43,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:51:43,473 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:51:43,474 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:51:43,525 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:51:43,529 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:51:43,530 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 12:51:43,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:51:43 BoogieIcfgContainer [2022-12-13 12:51:43,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:51:43,532 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 12:51:43,532 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 12:51:43,534 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 12:51:43,534 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:51:43,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 12:51:43" (1/3) ... [2022-12-13 12:51:43,535 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74a22480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:51:43, skipping insertion in model container [2022-12-13 12:51:43,535 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:51:43,535 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:51:43" (2/3) ... [2022-12-13 12:51:43,536 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74a22480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 12:51:43, skipping insertion in model container [2022-12-13 12:51:43,536 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 12:51:43,536 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:51:43" (3/3) ... [2022-12-13 12:51:43,537 INFO L332 chiAutomizerObserver]: Analyzing ICFG count_by_1_variant.i [2022-12-13 12:51:43,575 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 12:51:43,575 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 12:51:43,575 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 12:51:43,575 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 12:51:43,575 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 12:51:43,575 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 12:51:43,575 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 12:51:43,575 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 12:51:43,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:51:43,589 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 12:51:43,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:51:43,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:51:43,593 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 12:51:43,593 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 12:51:43,593 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 12:51:43,594 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:51:43,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-12-13 12:51:43,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 12:51:43,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 12:51:43,595 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 12:51:43,595 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 12:51:43,600 INFO L748 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~post1#1, main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 11#L26-3true [2022-12-13 12:51:43,600 INFO L750 eck$LassoCheckResult]: Loop: 11#L26-3true assume !!(1000000 != main_~i~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~i~0#1 <= 1000000 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 3#L18true assume !(0 == __VERIFIER_assert_~cond#1); 5#L18-2true assume { :end_inline___VERIFIER_assert } true; 7#L26-2true main_#t~post1#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1; 11#L26-3true [2022-12-13 12:51:43,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:51:43,604 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 12:51:43,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:51:43,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374452730] [2022-12-13 12:51:43,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:51:43,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:51:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:51:43,668 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:51:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:51:43,688 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:51:43,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:51:43,691 INFO L85 PathProgramCache]: Analyzing trace with hash 1238410, now seen corresponding path program 1 times [2022-12-13 12:51:43,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:51:43,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893156852] [2022-12-13 12:51:43,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:51:43,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:51:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:51:43,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:51:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:51:43,711 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:51:43,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:51:43,712 INFO L85 PathProgramCache]: Analyzing trace with hash 889665612, now seen corresponding path program 1 times [2022-12-13 12:51:43,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:51:43,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211556944] [2022-12-13 12:51:43,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:51:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:51:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:51:43,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:51:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:51:43,730 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:51:43,827 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:51:43,827 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:51:43,827 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:51:43,827 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:51:43,827 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 12:51:43,827 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:51:43,828 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:51:43,828 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:51:43,828 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1_variant.i_Iteration1_Loop [2022-12-13 12:51:43,828 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:51:43,828 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:51:43,840 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:51:43,851 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:51:43,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:51:43,912 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:51:43,913 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 12:51:43,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:51:43,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:51:43,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:51:43,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 12:51:43,917 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:51:43,917 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:51:43,939 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 12:51:43,939 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1, ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1, ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 12:51:43,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:51:43,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:51:43,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:51:43,945 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:51:43,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 12:51:43,947 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 12:51:43,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:51:43,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 12:51:43,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:51:43,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:51:43,962 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:51:43,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 12:51:43,964 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 12:51:43,964 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 12:51:43,987 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 12:51:43,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 12:51:43,991 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 12:51:43,991 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 12:51:43,991 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 12:51:43,992 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 12:51:43,992 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 12:51:43,992 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:51:43,992 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 12:51:43,992 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 12:51:43,992 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_by_1_variant.i_Iteration1_Loop [2022-12-13 12:51:43,992 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 12:51:43,992 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 12:51:43,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:51:43,998 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:51:44,005 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 12:51:44,047 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 12:51:44,051 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 12:51:44,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:51:44,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:51:44,054 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:51:44,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 12:51:44,056 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 [2022-12-13 12:51:44,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:51:44,067 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:51:44,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:51:44,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:51:44,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:51:44,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:51:44,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:51:44,073 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 12:51:44,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 12:51:44,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:51:44,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:51:44,077 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:51:44,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 12:51:44,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 12:51:44,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 12:51:44,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 12:51:44,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 12:51:44,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 12:51:44,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 12:51:44,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 12:51:44,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 12:51:44,093 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 12:51:44,096 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-12-13 12:51:44,096 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-12-13 12:51:44,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 12:51:44,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:51:44,113 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 12:51:44,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 12:51:44,114 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 12:51:44,115 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 12:51:44,115 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 12:51:44,115 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 1999999 Supporting invariants [] [2022-12-13 12:51:44,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 12:51:44,121 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 12:51:44,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:51:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:44,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:51:44,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:51:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:51:44,158 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 12:51:44,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:51:44,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:51:44,279 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-12-13 12:51:44,281 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:51:44,346 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.3) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 37 transitions. Complement of second has 9 states. [2022-12-13 12:51:44,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 12:51:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 12:51:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 24 transitions. [2022-12-13 12:51:44,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 4 letters. [2022-12-13 12:51:44,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:51:44,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 6 letters. Loop has 4 letters. [2022-12-13 12:51:44,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:51:44,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 24 transitions. Stem has 2 letters. Loop has 8 letters. [2022-12-13 12:51:44,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 12:51:44,355 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2022-12-13 12:51:44,358 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 12:51:44,360 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2022-12-13 12:51:44,361 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 12:51:44,361 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 12:51:44,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 12:51:44,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 12:51:44,361 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:51:44,361 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:51:44,361 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:51:44,361 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 12:51:44,361 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:51:44,362 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 12:51:44,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 12:51:44,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 12:51:44 BoogieIcfgContainer [2022-12-13 12:51:44,367 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 12:51:44,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:51:44,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:51:44,368 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:51:44,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:51:43" (3/4) ... [2022-12-13 12:51:44,370 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:51:44,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:51:44,371 INFO L158 Benchmark]: Toolchain (without parser) took 1199.72ms. Allocated memory is still 115.3MB. Free memory was 80.3MB in the beginning and 51.8MB in the end (delta: 28.6MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2022-12-13 12:51:44,371 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:51:44,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 162.22ms. Allocated memory is still 115.3MB. Free memory was 80.0MB in the beginning and 70.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:51:44,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.81ms. Allocated memory is still 115.3MB. Free memory was 70.2MB in the beginning and 68.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:51:44,373 INFO L158 Benchmark]: Boogie Preprocessor took 11.75ms. Allocated memory is still 115.3MB. Free memory was 68.8MB in the beginning and 67.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:51:44,373 INFO L158 Benchmark]: RCFGBuilder took 164.02ms. Allocated memory is still 115.3MB. Free memory was 67.4MB in the beginning and 59.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 12:51:44,374 INFO L158 Benchmark]: BuchiAutomizer took 835.54ms. Allocated memory is still 115.3MB. Free memory was 58.7MB in the beginning and 51.8MB in the end (delta: 7.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-12-13 12:51:44,374 INFO L158 Benchmark]: Witness Printer took 2.76ms. Allocated memory is still 115.3MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:51:44,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 162.22ms. Allocated memory is still 115.3MB. Free memory was 80.0MB in the beginning and 70.2MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.81ms. Allocated memory is still 115.3MB. Free memory was 70.2MB in the beginning and 68.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 11.75ms. Allocated memory is still 115.3MB. Free memory was 68.8MB in the beginning and 67.7MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 164.02ms. Allocated memory is still 115.3MB. Free memory was 67.4MB in the beginning and 59.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 835.54ms. Allocated memory is still 115.3MB. Free memory was 58.7MB in the beginning and 51.8MB in the end (delta: 7.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Witness Printer took 2.76ms. Allocated memory is still 115.3MB. Free memory is still 51.8MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1999999 and consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 6 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp69 dnf100 smp100 tf112 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 12:51:44,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 12:51:44,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_569ff587-8ae7-46dd-bf69-b6a1bc34f17b/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE