./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:49:55,666 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:49:55,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:49:55,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:49:55,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:49:55,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:49:55,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:49:55,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:49:55,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:49:55,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:49:55,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:49:55,853 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:49:55,853 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:49:55,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:49:55,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:49:55,857 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:49:55,857 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:49:55,858 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:49:55,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:49:55,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:49:55,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:49:55,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:49:55,862 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:49:55,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:49:55,863 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:49:55,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:49:55,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:49:55,865 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:49:55,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:49:55,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:49:55,868 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:49:55,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:49:55,869 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:49:55,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:49:55,870 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:49:55,870 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:49:55,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:49:55,871 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:49:55,871 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:49:55,871 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> baa0361131df5a78c0a8a4c29ba2893696394b78f626b1aa1f97e06e0771e5c0 [2023-11-19 07:49:56,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:49:56,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:49:56,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:49:56,251 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:49:56,252 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:49:56,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2023-11-19 07:49:59,703 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:00,001 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:00,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c [2023-11-19 07:50:00,016 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/data/571e8ce0d/72eaffa3f31c49d6a0cbee3cb0984d9c/FLAGc3402a9f9 [2023-11-19 07:50:00,034 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/data/571e8ce0d/72eaffa3f31c49d6a0cbee3cb0984d9c [2023-11-19 07:50:00,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:00,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:00,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:00,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:00,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:00,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e2dedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00, skipping insertion in model container [2023-11-19 07:50:00,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,103 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:00,441 WARN L240 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_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2023-11-19 07:50:00,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:00,469 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:00,557 WARN L240 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_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/sv-benchmarks/c/loop-industry-pattern/ofuf_1.c[11890,11903] [2023-11-19 07:50:00,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:00,581 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 07:50:00,591 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:00,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00 WrapperNode [2023-11-19 07:50:00,592 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:00,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:00,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:00,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:00,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,625 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,685 INFO L138 Inliner]: procedures = 29, calls = 156, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 447 [2023-11-19 07:50:00,686 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:00,687 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:00,687 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:00,687 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:00,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,759 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,804 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:00,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:00,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:00,815 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:00,816 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (1/1) ... [2023-11-19 07:50:00,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:50:00,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:00,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:00,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:00,905 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2023-11-19 07:50:00,905 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2023-11-19 07:50:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 07:50:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:50:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 07:50:00,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:50:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:50:00,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:50:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 07:50:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-19 07:50:00,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:50:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 07:50:00,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:00,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-11-19 07:50:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-11-19 07:50:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:50:00,912 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2023-11-19 07:50:00,912 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2023-11-19 07:50:01,129 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:01,136 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:01,850 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:01,861 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:01,861 INFO L302 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-19 07:50:01,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:01 BoogieIcfgContainer [2023-11-19 07:50:01,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:01,869 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:50:01,869 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:50:01,873 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:50:01,873 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:50:00" (1/3) ... [2023-11-19 07:50:01,874 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8842e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:01, skipping insertion in model container [2023-11-19 07:50:01,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:00" (2/3) ... [2023-11-19 07:50:01,875 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8842e19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:50:01, skipping insertion in model container [2023-11-19 07:50:01,875 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:01" (3/3) ... [2023-11-19 07:50:01,876 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2023-11-19 07:50:01,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:50:01,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:50:01,972 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:50:01,978 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@52e5116b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:50:01,979 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:50:01,983 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 90 states have (on average 1.6111111111111112) internal successors, (145), 91 states have internal predecessors, (145), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:50:01,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 07:50:01,996 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:01,997 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:01,998 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:02,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:02,005 INFO L85 PathProgramCache]: Analyzing trace with hash -715473227, now seen corresponding path program 1 times [2023-11-19 07:50:02,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:02,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554843329] [2023-11-19 07:50:02,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:02,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:02,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:50:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:02,490 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:50:02,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:02,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554843329] [2023-11-19 07:50:02,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554843329] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:02,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:02,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:50:02,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231566955] [2023-11-19 07:50:02,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:02,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:50:02,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:02,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:50:02,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:50:02,577 INFO L87 Difference]: Start difference. First operand has 103 states, 90 states have (on average 1.6111111111111112) internal successors, (145), 91 states have internal predecessors, (145), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:50:02,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:02,638 INFO L93 Difference]: Finished difference Result 201 states and 322 transitions. [2023-11-19 07:50:02,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:50:02,641 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2023-11-19 07:50:02,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:02,651 INFO L225 Difference]: With dead ends: 201 [2023-11-19 07:50:02,651 INFO L226 Difference]: Without dead ends: 97 [2023-11-19 07:50:02,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:50:02,661 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:02,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:02,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2023-11-19 07:50:02,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2023-11-19 07:50:02,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 85 states have (on average 1.5294117647058822) internal successors, (130), 86 states have internal predecessors, (130), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-19 07:50:02,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 145 transitions. [2023-11-19 07:50:02,719 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 145 transitions. Word has length 27 [2023-11-19 07:50:02,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:02,719 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 145 transitions. [2023-11-19 07:50:02,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:50:02,720 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 145 transitions. [2023-11-19 07:50:02,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 07:50:02,723 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:50:02,723 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:50:02,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:50:02,724 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:50:02,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:02,725 INFO L85 PathProgramCache]: Analyzing trace with hash -658214925, now seen corresponding path program 1 times [2023-11-19 07:50:02,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:02,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050856059] [2023-11-19 07:50:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:02,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:02,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:02,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-19 07:50:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:02,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 07:50:02,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:02,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050856059] [2023-11-19 07:50:02,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050856059] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:02,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:02,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:50:02,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667435855] [2023-11-19 07:50:02,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:02,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:50:02,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:02,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:50:02,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:02,991 INFO L87 Difference]: Start difference. First operand 97 states and 145 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:50:03,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:03,035 INFO L93 Difference]: Finished difference Result 97 states and 145 transitions. [2023-11-19 07:50:03,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:50:03,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2023-11-19 07:50:03,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:50:03,042 INFO L225 Difference]: With dead ends: 97 [2023-11-19 07:50:03,042 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:50:03,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:03,048 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 1 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:50:03,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 282 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:50:03,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:50:03,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:50:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:50:03,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:50:03,051 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2023-11-19 07:50:03,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:50:03,051 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:50:03,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 07:50:03,052 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:50:03,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:50:03,055 INFO L805 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:50:03,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:50:03,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:50:03,106 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_113EXIT(lines 305 324) no Hoare annotation was computed. [2023-11-19 07:50:03,107 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 320) no Hoare annotation was computed. [2023-11-19 07:50:03,107 INFO L899 garLoopResultBuilder]: For program point L280(lines 280 294) no Hoare annotation was computed. [2023-11-19 07:50:03,108 INFO L899 garLoopResultBuilder]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2023-11-19 07:50:03,108 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 312) no Hoare annotation was computed. [2023-11-19 07:50:03,109 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-11-19 07:50:03,109 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2023-11-19 07:50:03,109 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 490) no Hoare annotation was computed. [2023-11-19 07:50:03,109 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_113Err0ASSERT_VIOLATIONERROR_FUNCTION(line 489) no Hoare annotation was computed. [2023-11-19 07:50:03,109 INFO L899 garLoopResultBuilder]: For program point L487-2(lines 485 492) no Hoare annotation was computed. [2023-11-19 07:50:03,110 INFO L902 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2023-11-19 07:50:03,112 INFO L899 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2023-11-19 07:50:03,112 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_113FINAL(lines 305 324) no Hoare annotation was computed. [2023-11-19 07:50:03,112 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 305 324) the Hoare annotation is: true [2023-11-19 07:50:03,113 INFO L899 garLoopResultBuilder]: For program point L286(lines 286 294) no Hoare annotation was computed. [2023-11-19 07:50:03,114 INFO L902 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2023-11-19 07:50:03,118 INFO L899 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2023-11-19 07:50:03,119 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_110_returnLabel#1(lines 274 304) no Hoare annotation was computed. [2023-11-19 07:50:03,119 INFO L899 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2023-11-19 07:50:03,120 INFO L902 garLoopResultBuilder]: At program point L295-1(lines 295 302) the Hoare annotation is: true [2023-11-19 07:50:03,120 INFO L899 garLoopResultBuilder]: For program point L295-2(lines 295 302) no Hoare annotation was computed. [2023-11-19 07:50:03,120 INFO L899 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2023-11-19 07:50:03,122 INFO L899 garLoopResultBuilder]: For program point L341-2(line 341) no Hoare annotation was computed. [2023-11-19 07:50:03,124 INFO L899 garLoopResultBuilder]: For program point L341-3(line 341) no Hoare annotation was computed. [2023-11-19 07:50:03,124 INFO L899 garLoopResultBuilder]: For program point L341-5(lines 341 353) no Hoare annotation was computed. [2023-11-19 07:50:03,129 INFO L899 garLoopResultBuilder]: For program point L333-1(lines 333 340) no Hoare annotation was computed. [2023-11-19 07:50:03,129 INFO L902 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2023-11-19 07:50:03,129 INFO L899 garLoopResultBuilder]: For program point L333-4(lines 333 340) no Hoare annotation was computed. [2023-11-19 07:50:03,129 INFO L899 garLoopResultBuilder]: For program point L383-2(lines 383 421) no Hoare annotation was computed. [2023-11-19 07:50:03,130 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:50:03,130 INFO L902 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2023-11-19 07:50:03,130 INFO L899 garLoopResultBuilder]: For program point L433(line 433) no Hoare annotation was computed. [2023-11-19 07:50:03,130 INFO L899 garLoopResultBuilder]: For program point L433-2(lines 433 440) no Hoare annotation was computed. [2023-11-19 07:50:03,130 INFO L899 garLoopResultBuilder]: For program point L442(line 442) no Hoare annotation was computed. [2023-11-19 07:50:03,131 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2023-11-19 07:50:03,131 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 341 353) no Hoare annotation was computed. [2023-11-19 07:50:03,131 INFO L899 garLoopResultBuilder]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2023-11-19 07:50:03,131 INFO L902 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2023-11-19 07:50:03,131 INFO L899 garLoopResultBuilder]: For program point L401-4(lines 401 418) no Hoare annotation was computed. [2023-11-19 07:50:03,131 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:50:03,132 INFO L899 garLoopResultBuilder]: For program point L377-2(lines 377 380) no Hoare annotation was computed. [2023-11-19 07:50:03,132 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_118_returnLabel#1(lines 445 451) no Hoare annotation was computed. [2023-11-19 07:50:03,132 INFO L902 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2023-11-19 07:50:03,132 INFO L899 garLoopResultBuilder]: For program point L377-4(lines 357 424) no Hoare annotation was computed. [2023-11-19 07:50:03,132 INFO L899 garLoopResultBuilder]: For program point L336(lines 336 339) no Hoare annotation was computed. [2023-11-19 07:50:03,133 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 484) no Hoare annotation was computed. [2023-11-19 07:50:03,133 INFO L902 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2023-11-19 07:50:03,133 INFO L899 garLoopResultBuilder]: For program point L386-1(lines 386 389) no Hoare annotation was computed. [2023-11-19 07:50:03,133 INFO L902 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: true [2023-11-19 07:50:03,133 INFO L899 garLoopResultBuilder]: For program point L403-1(lines 403 406) no Hoare annotation was computed. [2023-11-19 07:50:03,134 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_117_returnLabel#1(lines 425 444) no Hoare annotation was computed. [2023-11-19 07:50:03,134 INFO L899 garLoopResultBuilder]: For program point L329(lines 329 332) no Hoare annotation was computed. [2023-11-19 07:50:03,134 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:50:03,134 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 481) no Hoare annotation was computed. [2023-11-19 07:50:03,134 INFO L902 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2023-11-19 07:50:03,135 INFO L899 garLoopResultBuilder]: For program point L396-1(lines 396 399) no Hoare annotation was computed. [2023-11-19 07:50:03,135 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_114_returnLabel#1(lines 325 355) no Hoare annotation was computed. [2023-11-19 07:50:03,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:50:03,135 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_115_returnLabel#1(lines 356 424) no Hoare annotation was computed. [2023-11-19 07:50:03,135 INFO L899 garLoopResultBuilder]: For program point L414(lines 414 417) no Hoare annotation was computed. [2023-11-19 07:50:03,135 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 422) no Hoare annotation was computed. [2023-11-19 07:50:03,136 INFO L899 garLoopResultBuilder]: For program point L431-2(lines 431 441) no Hoare annotation was computed. [2023-11-19 07:50:03,136 INFO L902 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: true [2023-11-19 07:50:03,136 INFO L902 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: true [2023-11-19 07:50:03,136 INFO L902 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2023-11-19 07:50:03,136 INFO L899 garLoopResultBuilder]: For program point L390-1(lines 390 393) no Hoare annotation was computed. [2023-11-19 07:50:03,137 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2023-11-19 07:50:03,137 INFO L899 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2023-11-19 07:50:03,137 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-11-19 07:50:03,137 INFO L899 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2023-11-19 07:50:03,137 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_107FINAL(lines 218 273) no Hoare annotation was computed. [2023-11-19 07:50:03,137 INFO L899 garLoopResultBuilder]: For program point L242(line 242) no Hoare annotation was computed. [2023-11-19 07:50:03,138 INFO L899 garLoopResultBuilder]: For program point L242-2(line 242) no Hoare annotation was computed. [2023-11-19 07:50:03,138 INFO L899 garLoopResultBuilder]: For program point L234-1(line 234) no Hoare annotation was computed. [2023-11-19 07:50:03,138 INFO L899 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2023-11-19 07:50:03,138 INFO L899 garLoopResultBuilder]: For program point L234-4(lines 234 250) no Hoare annotation was computed. [2023-11-19 07:50:03,138 INFO L899 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2023-11-19 07:50:03,139 INFO L899 garLoopResultBuilder]: For program point L259-2(line 259) no Hoare annotation was computed. [2023-11-19 07:50:03,139 INFO L899 garLoopResultBuilder]: For program point L259-3(line 259) no Hoare annotation was computed. [2023-11-19 07:50:03,139 INFO L899 garLoopResultBuilder]: For program point L259-5(lines 259 271) no Hoare annotation was computed. [2023-11-19 07:50:03,139 INFO L899 garLoopResultBuilder]: For program point L251-1(lines 251 258) no Hoare annotation was computed. [2023-11-19 07:50:03,139 INFO L902 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2023-11-19 07:50:03,139 INFO L899 garLoopResultBuilder]: For program point L251-4(lines 251 258) no Hoare annotation was computed. [2023-11-19 07:50:03,140 INFO L899 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2023-11-19 07:50:03,140 INFO L899 garLoopResultBuilder]: For program point L227(lines 227 233) no Hoare annotation was computed. [2023-11-19 07:50:03,140 INFO L899 garLoopResultBuilder]: For program point L227-2(lines 219 273) no Hoare annotation was computed. [2023-11-19 07:50:03,140 INFO L899 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2023-11-19 07:50:03,140 INFO L899 garLoopResultBuilder]: For program point L236-2(line 236) no Hoare annotation was computed. [2023-11-19 07:50:03,143 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 218 273) the Hoare annotation is: true [2023-11-19 07:50:03,146 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 266) no Hoare annotation was computed. [2023-11-19 07:50:03,146 INFO L899 garLoopResultBuilder]: For program point L261-1(lines 259 271) no Hoare annotation was computed. [2023-11-19 07:50:03,149 INFO L899 garLoopResultBuilder]: For program point L245(line 245) no Hoare annotation was computed. [2023-11-19 07:50:03,150 INFO L899 garLoopResultBuilder]: For program point L245-2(line 245) no Hoare annotation was computed. [2023-11-19 07:50:03,150 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2023-11-19 07:50:03,154 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2023-11-19 07:50:03,155 INFO L899 garLoopResultBuilder]: For program point L254(lines 254 257) no Hoare annotation was computed. [2023-11-19 07:50:03,155 INFO L899 garLoopResultBuilder]: For program point L246(line 246) no Hoare annotation was computed. [2023-11-19 07:50:03,155 INFO L899 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2023-11-19 07:50:03,155 INFO L899 garLoopResultBuilder]: For program point L239-2(line 239) no Hoare annotation was computed. [2023-11-19 07:50:03,156 INFO L899 garLoopResultBuilder]: For program point L223(lines 223 226) no Hoare annotation was computed. [2023-11-19 07:50:03,156 INFO L899 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2023-11-19 07:50:03,156 INFO L899 garLoopResultBuilder]: For program point L240(line 240) no Hoare annotation was computed. [2023-11-19 07:50:03,156 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_107EXIT(lines 218 273) no Hoare annotation was computed. [2023-11-19 07:50:03,160 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:50:03,163 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:50:03,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:50:03 BoogieIcfgContainer [2023-11-19 07:50:03,177 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:50:03,178 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:50:03,178 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:50:03,178 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:50:03,179 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:01" (3/4) ... [2023-11-19 07:50:03,181 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:50:03,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_113 [2023-11-19 07:50:03,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2023-11-19 07:50:03,187 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_107 [2023-11-19 07:50:03,200 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2023-11-19 07:50:03,201 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2023-11-19 07:50:03,203 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 07:50:03,204 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:50:03,205 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:50:03,207 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:50:03,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:50:03,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:50:03,410 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:50:03,411 INFO L158 Benchmark]: Toolchain (without parser) took 3371.77ms. Allocated memory is still 176.2MB. Free memory was 134.2MB in the beginning and 103.0MB in the end (delta: 31.2MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-19 07:50:03,412 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:03,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.74ms. Allocated memory is still 176.2MB. Free memory was 133.7MB in the beginning and 115.7MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:50:03,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.97ms. Allocated memory is still 176.2MB. Free memory was 115.7MB in the beginning and 112.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:50:03,413 INFO L158 Benchmark]: Boogie Preprocessor took 125.64ms. Allocated memory is still 176.2MB. Free memory was 112.3MB in the beginning and 108.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:50:03,413 INFO L158 Benchmark]: RCFGBuilder took 1052.91ms. Allocated memory is still 176.2MB. Free memory was 108.6MB in the beginning and 116.6MB in the end (delta: -8.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2023-11-19 07:50:03,414 INFO L158 Benchmark]: TraceAbstraction took 1307.54ms. Allocated memory is still 176.2MB. Free memory was 115.9MB in the beginning and 113.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:50:03,414 INFO L158 Benchmark]: Witness Printer took 233.06ms. Allocated memory is still 176.2MB. Free memory was 113.4MB in the beginning and 103.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:50:03,416 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 113.2MB. Free memory is still 60.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.74ms. Allocated memory is still 176.2MB. Free memory was 133.7MB in the beginning and 115.7MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.97ms. Allocated memory is still 176.2MB. Free memory was 115.7MB in the beginning and 112.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 125.64ms. Allocated memory is still 176.2MB. Free memory was 112.3MB in the beginning and 108.6MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1052.91ms. Allocated memory is still 176.2MB. Free memory was 108.6MB in the beginning and 116.6MB in the end (delta: -8.1MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1307.54ms. Allocated memory is still 176.2MB. Free memory was 115.9MB in the beginning and 113.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 233.06ms. Allocated memory is still 176.2MB. Free memory was 113.4MB in the beginning and 103.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 489]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 434 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 140 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 294 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=103occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 50 PreInvPairs, 65 NumberOfFragments, 18 HoareAnnotationTreeSize, 50 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 295]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-19 07:50:03,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d8dc778-8bf5-4a88-96d5-68c39515ea5b/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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