./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/alt_test.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/alt_test.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc --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 6bafd9f9c248bc8b929fd553117dceb5cafdbf12cfc108f50311933c849ac186 --- 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-5e519f3 [2022-11-02 20:06:03,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:06:03,513 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:06:03,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:06:03,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:06:03,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:06:03,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:06:03,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:06:03,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:06:03,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:06:03,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:06:03,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:06:03,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:06:03,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:06:03,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:06:03,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:06:03,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:06:03,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:06:03,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:06:03,597 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:06:03,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:06:03,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:06:03,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:06:03,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:06:03,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:06:03,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:06:03,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:06:03,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:06:03,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:06:03,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:06:03,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:06:03,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:06:03,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:06:03,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:06:03,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:06:03,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:06:03,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:06:03,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:06:03,626 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:06:03,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:06:03,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:06:03,628 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-02 20:06:03,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:06:03,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:06:03,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:06:03,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:06:03,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:06:03,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:06:03,676 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:06:03,676 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:06:03,676 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:06:03,676 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:06:03,677 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:06:03,678 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:06:03,678 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:06:03,678 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:06:03,678 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:06:03,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:06:03,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:06:03,679 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:06:03,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:06:03,679 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:06:03,680 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:06:03,680 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:06:03,680 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:06:03,680 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:06:03,680 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:06:03,681 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:06:03,681 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:06:03,681 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:06:03,681 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:06:03,682 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:06:03,682 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:06:03,683 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:06:03,683 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_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bafd9f9c248bc8b929fd553117dceb5cafdbf12cfc108f50311933c849ac186 [2022-11-02 20:06:04,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:06:04,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:06:04,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:06:04,040 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:06:04,041 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:06:04,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-regression/alt_test.i [2022-11-02 20:06:04,118 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/data/2ce0d1a3b/4ee66c0ad89e4f1da7fb503c493f5216/FLAG9f4e124b5 [2022-11-02 20:06:04,754 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:06:04,760 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/sv-benchmarks/c/ldv-regression/alt_test.i [2022-11-02 20:06:04,774 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/data/2ce0d1a3b/4ee66c0ad89e4f1da7fb503c493f5216/FLAG9f4e124b5 [2022-11-02 20:06:05,027 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/data/2ce0d1a3b/4ee66c0ad89e4f1da7fb503c493f5216 [2022-11-02 20:06:05,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:06:05,036 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:06:05,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:06:05,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:06:05,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:06:05,043 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,045 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3834b4e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05, skipping insertion in model container [2022-11-02 20:06:05,045 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:06:05,112 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:06:05,520 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_942b59f5-fc89-4c41-bb75-06be567b12eb/sv-benchmarks/c/ldv-regression/alt_test.i[22285,22298] [2022-11-02 20:06:05,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:06:05,545 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:06:05,592 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_942b59f5-fc89-4c41-bb75-06be567b12eb/sv-benchmarks/c/ldv-regression/alt_test.i[22285,22298] [2022-11-02 20:06:05,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:06:05,628 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:06:05,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05 WrapperNode [2022-11-02 20:06:05,630 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:06:05,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:06:05,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:06:05,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:06:05,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,686 INFO L138 Inliner]: procedures = 121, calls = 13, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 46 [2022-11-02 20:06:05,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:06:05,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:06:05,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:06:05,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:06:05,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:06:05,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:06:05,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:06:05,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:06:05,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (1/1) ... [2022-11-02 20:06:05,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:06:05,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:06:05,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:06:05,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:06:05,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:06:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:06:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:06:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:06:05,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:06:05,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:06:05,998 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:06:06,000 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:06:06,190 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:06:06,199 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:06:06,200 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 20:06:06,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:06:06 BoogieIcfgContainer [2022-11-02 20:06:06,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:06:06,203 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:06:06,203 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:06:06,208 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:06:06,208 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:06:06,209 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:06:05" (1/3) ... [2022-11-02 20:06:06,210 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4df640b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:06:06, skipping insertion in model container [2022-11-02 20:06:06,210 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:06:06,210 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:06:05" (2/3) ... [2022-11-02 20:06:06,211 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4df640b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:06:06, skipping insertion in model container [2022-11-02 20:06:06,211 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:06:06,211 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:06:06" (3/3) ... [2022-11-02 20:06:06,212 INFO L332 chiAutomizerObserver]: Analyzing ICFG alt_test.i [2022-11-02 20:06:06,284 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:06:06,285 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:06:06,285 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:06:06,285 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:06:06,285 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:06:06,285 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:06:06,285 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:06:06,286 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:06:06,290 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 20 states, 19 states have (on average 1.263157894736842) internal successors, (24), 19 states have internal predecessors, (24), 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) [2022-11-02 20:06:06,310 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:06:06,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:06:06,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:06:06 BoogieIcfgContainer [2022-11-02 20:06:06,316 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:06:06,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:06:06,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:06:06,317 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:06:06,318 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:06:06" (3/4) ... [2022-11-02 20:06:06,321 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:06:06,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:06:06,323 INFO L158 Benchmark]: Toolchain (without parser) took 1286.14ms. Allocated memory is still 119.5MB. Free memory was 81.3MB in the beginning and 65.8MB in the end (delta: 15.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-11-02 20:06:06,323 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 91.7MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:06:06,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.33ms. Allocated memory is still 119.5MB. Free memory was 81.1MB in the beginning and 86.0MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:06:06,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.32ms. Allocated memory is still 119.5MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:06:06,326 INFO L158 Benchmark]: Boogie Preprocessor took 47.68ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 82.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:06:06,326 INFO L158 Benchmark]: RCFGBuilder took 465.79ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 71.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-02 20:06:06,327 INFO L158 Benchmark]: BuchiAutomizer took 113.02ms. Allocated memory is still 119.5MB. Free memory was 71.3MB in the beginning and 66.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-02 20:06:06,328 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 119.5MB. Free memory was 66.4MB in the beginning and 65.8MB in the end (delta: 611.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:06:06,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory was 91.8MB in the beginning and 91.7MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.33ms. Allocated memory is still 119.5MB. Free memory was 81.1MB in the beginning and 86.0MB in the end (delta: -4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.32ms. Allocated memory is still 119.5MB. Free memory was 86.0MB in the beginning and 83.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.68ms. Allocated memory is still 119.5MB. Free memory was 83.9MB in the beginning and 82.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 465.79ms. Allocated memory is still 119.5MB. Free memory was 82.4MB in the beginning and 71.3MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 113.02ms. Allocated memory is still 119.5MB. Free memory was 71.3MB in the beginning and 66.4MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 119.5MB. Free memory was 66.4MB in the beginning and 65.8MB in the end (delta: 611.4kB). 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 Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s 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: 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 InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:06:06,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_942b59f5-fc89-4c41-bb75-06be567b12eb/bin/uautomizer-Dbtcem3rbc/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