./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 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_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5 --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:44:22,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:44:22,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:44:22,511 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:44:22,512 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:44:22,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:44:22,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:44:22,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:44:22,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:44:22,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:44:22,558 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:44:22,559 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:44:22,560 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:44:22,562 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:44:22,562 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:44:22,562 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:44:22,563 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:44:22,563 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:44:22,564 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:44:22,564 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:44:22,564 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:44:22,565 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:44:22,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:44:22,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:44:22,567 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:44:22,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:44:22,568 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:44:22,568 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:44:22,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:44:22,569 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:44:22,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:44:22,570 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:44:22,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:44:22,571 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:44:22,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:44:22,571 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:44:22,572 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:44:22,572 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:44:22,572 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:44:22,572 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:44:22,573 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:44:22,573 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:44:22,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:44:22,573 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:44:22,574 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:44:22,574 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:44:22,574 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:44:22,575 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf8943cb9f9a3b213e9817cc53efcf4d89e0e525f47b2351825c8c29bc65e71 [2023-11-21 19:44:22,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:44:22,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:44:22,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:44:22,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:44:22,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:44:22,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2023-11-21 19:44:26,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:44:26,394 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:44:26,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c [2023-11-21 19:44:26,407 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/data/46c34d35a/ce0d7dac9b2f47b9b5f11ea0514d6551/FLAG97635337f [2023-11-21 19:44:26,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/data/46c34d35a/ce0d7dac9b2f47b9b5f11ea0514d6551 [2023-11-21 19:44:26,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:44:26,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:44:26,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:44:26,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:44:26,433 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:44:26,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:26,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a21183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26, skipping insertion in model container [2023-11-21 19:44:26,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:26,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:44:26,775 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_dddcad26-3878-43db-8268-b2710810aab7/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c[11314,11327] [2023-11-21 19:44:26,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:44:26,792 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:44:26,885 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_dddcad26-3878-43db-8268-b2710810aab7/sv-benchmarks/c/loop-industry-pattern/ofuf_5.c[11314,11327] [2023-11-21 19:44:26,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:44:26,905 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:44:26,912 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:44:26,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26 WrapperNode [2023-11-21 19:44:26,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:44:26,913 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:44:26,913 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:44:26,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:44:26,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:26,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:26,992 INFO L138 Inliner]: procedures = 29, calls = 158, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 454 [2023-11-21 19:44:26,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:44:26,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:44:26,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:44:26,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:44:27,003 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:27,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:27,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:27,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:27,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:27,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:27,067 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:27,071 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:27,077 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:44:27,078 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:44:27,079 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:44:27,079 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:44:27,080 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (1/1) ... [2023-11-21 19:44:27,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:44:27,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:44:27,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:44:27,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:44:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 19:44:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:44:27,171 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2023-11-21 19:44:27,173 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2023-11-21 19:44:27,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 19:44:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:44:27,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:44:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:44:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 19:44:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2023-11-21 19:44:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:44:27,175 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2023-11-21 19:44:27,176 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2023-11-21 19:44:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 19:44:27,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:44:27,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:44:27,177 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2023-11-21 19:44:27,178 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2023-11-21 19:44:27,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:44:27,362 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:44:27,364 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:44:28,094 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:44:28,304 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:44:28,305 INFO L308 CfgBuilder]: Removed 7 assume(true) statements. [2023-11-21 19:44:28,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:44:28 BoogieIcfgContainer [2023-11-21 19:44:28,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:44:28,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:44:28,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:44:28,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:44:28,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:44:26" (1/3) ... [2023-11-21 19:44:28,311 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26113809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:44:28, skipping insertion in model container [2023-11-21 19:44:28,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:44:26" (2/3) ... [2023-11-21 19:44:28,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26113809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:44:28, skipping insertion in model container [2023-11-21 19:44:28,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:44:28" (3/3) ... [2023-11-21 19:44:28,313 INFO L112 eAbstractionObserver]: Analyzing ICFG ofuf_5.c [2023-11-21 19:44:28,332 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:44:28,332 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:44:28,382 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:44:28,389 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=FINITE_AUTOMATA, 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;@29b6d41f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:44:28,390 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:44:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 48 states have (on average 1.5833333333333333) internal successors, (76), 49 states have internal predecessors, (76), 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) [2023-11-21 19:44:28,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 19:44:28,408 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:44:28,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:44:28,409 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION === [Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:44:28,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:44:28,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1216071045, now seen corresponding path program 1 times [2023-11-21 19:44:28,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:44:28,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271127211] [2023-11-21 19:44:28,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:44:28,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:44:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:44:29,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:44:29,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:44:29,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271127211] [2023-11-21 19:44:29,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271127211] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:44:29,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:44:29,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:44:29,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814336761] [2023-11-21 19:44:29,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:44:29,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:44:29,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:44:29,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:44:29,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:44:29,056 INFO L87 Difference]: Start difference. First operand has 61 states, 48 states have (on average 1.5833333333333333) internal successors, (76), 49 states have internal predecessors, (76), 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 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:44:29,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:44:29,167 INFO L93 Difference]: Finished difference Result 116 states and 181 transitions. [2023-11-21 19:44:29,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:44:29,170 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-21 19:44:29,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:44:29,176 INFO L225 Difference]: With dead ends: 116 [2023-11-21 19:44:29,176 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:44:29,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:44:29,188 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 1 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-21 19:44:29,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 139 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-21 19:44:29,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:44:29,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:44:29,213 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) [2023-11-21 19:44:29,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:44:29,214 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2023-11-21 19:44:29,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:44:29,215 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:44:29,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-21 19:44:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:44:29,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:44:29,221 INFO L805 garLoopResultBuilder]: Registering result SAFE for location Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:44:29,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:44:29,224 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 19:44:29,251 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2023-11-21 19:44:29,251 INFO L902 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2023-11-21 19:44:29,251 INFO L899 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2023-11-21 19:44:29,252 INFO L899 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2023-11-21 19:44:29,252 INFO L899 garLoopResultBuilder]: For program point L202-2(lines 194 248) no Hoare annotation was computed. [2023-11-21 19:44:29,252 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2023-11-21 19:44:29,252 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 248) the Hoare annotation is: true [2023-11-21 19:44:29,253 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2023-11-21 19:44:29,253 INFO L899 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2023-11-21 19:44:29,253 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2023-11-21 19:44:29,253 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2023-11-21 19:44:29,253 INFO L899 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2023-11-21 19:44:29,254 INFO L899 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2023-11-21 19:44:29,254 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2023-11-21 19:44:29,254 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2023-11-21 19:44:29,254 INFO L899 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2023-11-21 19:44:29,255 INFO L899 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2023-11-21 19:44:29,255 INFO L902 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2023-11-21 19:44:29,255 INFO L899 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2023-11-21 19:44:29,255 INFO L902 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2023-11-21 19:44:29,255 INFO L899 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2023-11-21 19:44:29,256 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_92_returnLabel#1(lines 249 279) no Hoare annotation was computed. [2023-11-21 19:44:29,256 INFO L899 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2023-11-21 19:44:29,265 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2023-11-21 19:44:29,265 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 280 299) the Hoare annotation is: true [2023-11-21 19:44:29,266 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95Err0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2023-11-21 19:44:29,266 INFO L899 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2023-11-21 19:44:29,266 INFO L902 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2023-11-21 19:44:29,266 INFO L899 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2023-11-21 19:44:29,266 INFO L902 garLoopResultBuilder]: At program point L270-1(lines 270 277) the Hoare annotation is: true [2023-11-21 19:44:29,267 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2023-11-21 19:44:29,267 INFO L899 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2023-11-21 19:44:29,267 INFO L902 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2023-11-21 19:44:29,267 INFO L899 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2023-11-21 19:44:29,267 INFO L902 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2023-11-21 19:44:29,267 INFO L899 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2023-11-21 19:44:29,268 INFO L902 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2023-11-21 19:44:29,268 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 19:44:29,268 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_96_returnLabel#1(lines 300 330) no Hoare annotation was computed. [2023-11-21 19:44:29,268 INFO L902 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2023-11-21 19:44:29,268 INFO L899 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2023-11-21 19:44:29,269 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2023-11-21 19:44:29,269 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 458) no Hoare annotation was computed. [2023-11-21 19:44:29,269 INFO L902 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2023-11-21 19:44:29,269 INFO L899 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2023-11-21 19:44:29,269 INFO L899 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2023-11-21 19:44:29,270 INFO L902 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2023-11-21 19:44:29,270 INFO L899 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2023-11-21 19:44:29,270 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2023-11-21 19:44:29,270 INFO L902 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2023-11-21 19:44:29,270 INFO L899 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2023-11-21 19:44:29,270 INFO L899 garLoopResultBuilder]: For program point Id_MCDC_97_returnLabel#1(lines 331 399) no Hoare annotation was computed. [2023-11-21 19:44:29,271 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:44:29,271 INFO L899 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2023-11-21 19:44:29,271 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2023-11-21 19:44:29,271 INFO L902 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2023-11-21 19:44:29,271 INFO L902 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2023-11-21 19:44:29,272 INFO L902 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2023-11-21 19:44:29,272 INFO L899 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2023-11-21 19:44:29,272 INFO L899 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2023-11-21 19:44:29,272 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-11-21 19:44:29,275 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:44:29,280 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:44:29,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:44:29 BoogieIcfgContainer [2023-11-21 19:44:29,293 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:44:29,294 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:44:29,294 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:44:29,295 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:44:29,295 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:44:28" (3/4) ... [2023-11-21 19:44:29,297 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:44:29,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_89 [2023-11-21 19:44:29,301 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure avoid_zero [2023-11-21 19:44:29,302 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure Id_MCDC_95 [2023-11-21 19:44:29,314 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 89 nodes and edges [2023-11-21 19:44:29,316 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-21 19:44:29,317 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-21 19:44:29,318 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-21 19:44:29,320 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:44:29,321 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:44:29,477 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:44:29,478 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:44:29,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:44:29,479 INFO L158 Benchmark]: Toolchain (without parser) took 3053.19ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 101.3MB in the beginning and 78.6MB in the end (delta: 22.7MB). Peak memory consumption was 52.5MB. Max. memory is 16.1GB. [2023-11-21 19:44:29,479 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:44:29,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.05ms. Allocated memory is still 144.7MB. Free memory was 100.8MB in the beginning and 83.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 19:44:29,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.81ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 79.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 19:44:29,481 INFO L158 Benchmark]: Boogie Preprocessor took 84.12ms. Allocated memory is still 144.7MB. Free memory was 79.3MB in the beginning and 75.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 19:44:29,481 INFO L158 Benchmark]: RCFGBuilder took 1227.90ms. Allocated memory is still 144.7MB. Free memory was 75.6MB in the beginning and 59.0MB in the end (delta: 16.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-21 19:44:29,482 INFO L158 Benchmark]: TraceAbstraction took 985.28ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 58.1MB in the beginning and 89.1MB in the end (delta: -31.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:44:29,482 INFO L158 Benchmark]: Witness Printer took 184.35ms. Allocated memory is still 174.1MB. Free memory was 89.1MB in the beginning and 78.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 19:44:29,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 113.2MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.05ms. Allocated memory is still 144.7MB. Free memory was 100.8MB in the beginning and 83.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.81ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 79.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.12ms. Allocated memory is still 144.7MB. Free memory was 79.3MB in the beginning and 75.6MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1227.90ms. Allocated memory is still 144.7MB. Free memory was 75.6MB in the beginning and 59.0MB in the end (delta: 16.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * TraceAbstraction took 985.28ms. Allocated memory was 144.7MB in the beginning and 174.1MB in the end (delta: 29.4MB). Free memory was 58.1MB in the beginning and 89.1MB in the end (delta: -31.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 184.35ms. Allocated memory is still 174.1MB. Free memory was 89.1MB in the beginning and 78.6MB 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: 463]: 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, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 139 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 70 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 270]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 19:44:29,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dddcad26-3878-43db-8268-b2710810aab7/bin/utaipan-verify-QoSU8krkJ5/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