./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i --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_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/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_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/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_36196ac9-bd74-407e-8124-3b9c8bf8a91f/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 d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:03:33,096 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:03:33,177 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:03:33,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:03:33,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:03:33,212 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:03:33,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:03:33,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:03:33,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:03:33,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:03:33,216 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:03:33,217 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:03:33,218 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:03:33,218 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:03:33,219 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:03:33,220 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:03:33,220 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:03:33,221 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:03:33,221 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:03:33,222 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:03:33,223 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:03:33,223 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:03:33,224 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:03:33,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:03:33,225 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:03:33,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:03:33,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:03:33,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:03:33,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:03:33,228 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:03:33,228 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:03:33,229 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:03:33,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:03:33,230 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:03:33,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:03:33,230 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:03:33,231 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:03:33,231 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:03:33,231 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:03:33,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:03:33,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:03:33,233 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:03:33,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:03:33,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:03:33,234 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:03:33,234 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:03:33,234 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:03:33,234 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_36196ac9-bd74-407e-8124-3b9c8bf8a91f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d619c50f205026415119876db06c9bf079f51316bee7c051af8e3a06a37e393d [2023-11-21 19:03:33,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:03:33,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:03:33,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:03:33,612 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:03:33,612 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:03:33,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2023-11-21 19:03:36,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:03:37,129 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:03:37,136 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i [2023-11-21 19:03:37,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/data/ee4d6df78/30f6da08b9164c41b9c3964edc45f134/FLAGef60b674a [2023-11-21 19:03:37,194 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/data/ee4d6df78/30f6da08b9164c41b9c3964edc45f134 [2023-11-21 19:03:37,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:03:37,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:03:37,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:03:37,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:03:37,210 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:03:37,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:03:37" (1/1) ... [2023-11-21 19:03:37,212 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5f14e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:37, skipping insertion in model container [2023-11-21 19:03:37,212 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:03:37" (1/1) ... [2023-11-21 19:03:37,287 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:03:37,813 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_36196ac9-bd74-407e-8124-3b9c8bf8a91f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2023-11-21 19:03:37,928 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_36196ac9-bd74-407e-8124-3b9c8bf8a91f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2023-11-21 19:03:37,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:03:37,973 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:03:38,010 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_36196ac9-bd74-407e-8124-3b9c8bf8a91f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[37019,37032] [2023-11-21 19:03:38,066 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_36196ac9-bd74-407e-8124-3b9c8bf8a91f/sv-benchmarks/c/uthash-2.0.2/uthash_SAX_test2-2.i[47352,47365] [2023-11-21 19:03:38,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:03:38,122 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:03:38,130 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:03:38,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38 WrapperNode [2023-11-21 19:03:38,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:03:38,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:03:38,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:03:38,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:03:38,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,175 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,284 INFO L138 Inliner]: procedures = 208, calls = 286, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1372 [2023-11-21 19:03:38,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:03:38,291 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:03:38,291 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:03:38,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:03:38,303 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,315 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,316 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:03:38,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:03:38,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:03:38,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:03:38,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (1/1) ... [2023-11-21 19:03:38,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:03:38,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:03:38,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:03:38,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:03:38,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 19:03:38,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 19:03:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:03:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 19:03:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 19:03:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:03:38,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:03:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 19:03:38,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 19:03:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:03:38,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 19:03:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:03:38,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 19:03:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:03:38,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:03:38,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:03:38,835 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:03:38,838 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:03:40,721 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:03:42,504 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:03:42,504 INFO L308 CfgBuilder]: Removed 63 assume(true) statements. [2023-11-21 19:03:42,506 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:03:42 BoogieIcfgContainer [2023-11-21 19:03:42,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:03:42,511 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:03:42,511 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:03:42,514 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:03:42,515 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:03:37" (1/3) ... [2023-11-21 19:03:42,515 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd194d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:03:42, skipping insertion in model container [2023-11-21 19:03:42,516 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:03:38" (2/3) ... [2023-11-21 19:03:42,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd194d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:03:42, skipping insertion in model container [2023-11-21 19:03:42,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:03:42" (3/3) ... [2023-11-21 19:03:42,520 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SAX_test2-2.i [2023-11-21 19:03:42,539 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:03:42,540 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 19:03:42,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:03:42,610 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;@7d036a44, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:03:42,610 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 19:03:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 118 states have (on average 1.7457627118644068) internal successors, (206), 125 states have internal predecessors, (206), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-21 19:03:42,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 19:03:42,624 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:03:42,625 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:03:42,625 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:03:42,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:03:42,633 INFO L85 PathProgramCache]: Analyzing trace with hash 773947228, now seen corresponding path program 1 times [2023-11-21 19:03:42,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:03:42,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200934553] [2023-11-21 19:03:42,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:03:42,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:03:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:03:42,859 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 19:03:42,860 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:03:42,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200934553] [2023-11-21 19:03:42,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200934553] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:03:42,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:03:42,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:03:42,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049050360] [2023-11-21 19:03:42,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:03:42,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 19:03:42,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:03:42,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 19:03:42,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 19:03:42,924 INFO L87 Difference]: Start difference. First operand has 131 states, 118 states have (on average 1.7457627118644068) internal successors, (206), 125 states have internal predecessors, (206), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:03:44,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:03:47,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:03:49,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:03:51,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:03:52,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 19:03:52,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:03:52,492 INFO L93 Difference]: Finished difference Result 213 states and 362 transitions. [2023-11-21 19:03:52,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:03:52,500 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-21 19:03:52,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:03:52,509 INFO L225 Difference]: With dead ends: 213 [2023-11-21 19:03:52,509 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:03:52,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 19:03:52,517 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2023-11-21 19:03:52,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2023-11-21 19:03:52,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:03:52,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:03:52,545 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 19:03:52,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:03:52,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 8 [2023-11-21 19:03:52,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:03:52,547 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:03:52,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 19:03:52,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:03:52,548 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:03:52,551 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-21 19:03:52,553 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-21 19:03:52,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:03:52,555 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 19:03:52,617 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:03:52,619 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 19:03:52,619 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 19:03:52,619 INFO L899 garLoopResultBuilder]: For program point L821-212(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,619 INFO L902 garLoopResultBuilder]: At program point L821-214(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,620 INFO L899 garLoopResultBuilder]: For program point L821-215(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,620 INFO L899 garLoopResultBuilder]: For program point L828(line 828) no Hoare annotation was computed. [2023-11-21 19:03:52,620 INFO L899 garLoopResultBuilder]: For program point L821-225(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,621 INFO L899 garLoopResultBuilder]: For program point L821-235(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,621 INFO L902 garLoopResultBuilder]: At program point L821-236(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,622 INFO L899 garLoopResultBuilder]: For program point L821-237(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,622 INFO L902 garLoopResultBuilder]: At program point L821-246(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,622 INFO L902 garLoopResultBuilder]: At program point L821-248(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,623 INFO L899 garLoopResultBuilder]: For program point L821-249(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,624 INFO L899 garLoopResultBuilder]: For program point L821-255(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,625 INFO L899 garLoopResultBuilder]: For program point L821-256(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,625 INFO L902 garLoopResultBuilder]: At program point L821-257(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,625 INFO L899 garLoopResultBuilder]: For program point L821-259(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,625 INFO L899 garLoopResultBuilder]: For program point L821-260(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,625 INFO L902 garLoopResultBuilder]: At program point L821-261(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,626 INFO L899 garLoopResultBuilder]: For program point L821-262(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,626 INFO L899 garLoopResultBuilder]: For program point L821-263(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,626 INFO L899 garLoopResultBuilder]: For program point L824-170(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,626 INFO L902 garLoopResultBuilder]: At program point L821-264(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,627 INFO L902 garLoopResultBuilder]: At program point L824-171(line 824) the Hoare annotation is: true [2023-11-21 19:03:52,627 INFO L899 garLoopResultBuilder]: For program point L821-265(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,627 INFO L899 garLoopResultBuilder]: For program point L824-172(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,628 INFO L902 garLoopResultBuilder]: At program point L821-266(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,628 INFO L899 garLoopResultBuilder]: For program point L824-173(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,628 INFO L899 garLoopResultBuilder]: For program point L821-267(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,628 INFO L902 garLoopResultBuilder]: At program point L824-174(line 824) the Hoare annotation is: true [2023-11-21 19:03:52,628 INFO L899 garLoopResultBuilder]: For program point L821-268(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,629 INFO L899 garLoopResultBuilder]: For program point L824-175(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,630 INFO L902 garLoopResultBuilder]: At program point L821-269(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,630 INFO L902 garLoopResultBuilder]: At program point L824-176(line 824) the Hoare annotation is: true [2023-11-21 19:03:52,630 INFO L899 garLoopResultBuilder]: For program point L824-178(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,631 INFO L899 garLoopResultBuilder]: For program point L824-185(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,632 INFO L895 garLoopResultBuilder]: At program point L824-186(line 824) the Hoare annotation is: false [2023-11-21 19:03:52,632 INFO L899 garLoopResultBuilder]: For program point L824-187(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,632 INFO L899 garLoopResultBuilder]: For program point L824-188(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,632 INFO L899 garLoopResultBuilder]: For program point L824-190(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,632 INFO L895 garLoopResultBuilder]: At program point L824-191(line 824) the Hoare annotation is: false [2023-11-21 19:03:52,633 INFO L899 garLoopResultBuilder]: For program point L824-197(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,633 INFO L899 garLoopResultBuilder]: For program point L824-198(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,634 INFO L899 garLoopResultBuilder]: For program point L824-201(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,634 INFO L899 garLoopResultBuilder]: For program point L824-202(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,634 INFO L899 garLoopResultBuilder]: For program point L824-204(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,634 INFO L895 garLoopResultBuilder]: At program point L824-205(line 824) the Hoare annotation is: false [2023-11-21 19:03:52,634 INFO L895 garLoopResultBuilder]: At program point L824-207(line 824) the Hoare annotation is: false [2023-11-21 19:03:52,635 INFO L899 garLoopResultBuilder]: For program point L824-208(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,635 INFO L895 garLoopResultBuilder]: At program point L824-209(line 824) the Hoare annotation is: false [2023-11-21 19:03:52,635 INFO L899 garLoopResultBuilder]: For program point L824-211(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,635 INFO L899 garLoopResultBuilder]: For program point L824-213(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,636 INFO L895 garLoopResultBuilder]: At program point L824-214(line 824) the Hoare annotation is: false [2023-11-21 19:03:52,636 INFO L899 garLoopResultBuilder]: For program point L824-215(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,636 INFO L899 garLoopResultBuilder]: For program point L824-216(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,636 INFO L902 garLoopResultBuilder]: At program point L824-217(line 824) the Hoare annotation is: true [2023-11-21 19:03:52,636 INFO L899 garLoopResultBuilder]: For program point L824-218(lines 823 830) no Hoare annotation was computed. [2023-11-21 19:03:52,637 INFO L902 garLoopResultBuilder]: At program point L832-9(lines 832 835) the Hoare annotation is: true [2023-11-21 19:03:52,637 INFO L899 garLoopResultBuilder]: For program point L833-3(line 833) no Hoare annotation was computed. [2023-11-21 19:03:52,637 INFO L899 garLoopResultBuilder]: For program point L833-8(line 833) no Hoare annotation was computed. [2023-11-21 19:03:52,637 INFO L899 garLoopResultBuilder]: For program point L833-11(line 833) no Hoare annotation was computed. [2023-11-21 19:03:52,638 INFO L902 garLoopResultBuilder]: At program point L833-12(line 833) the Hoare annotation is: true [2023-11-21 19:03:52,638 INFO L899 garLoopResultBuilder]: For program point L833-13(line 833) no Hoare annotation was computed. [2023-11-21 19:03:52,638 INFO L899 garLoopResultBuilder]: For program point L833-22(line 833) no Hoare annotation was computed. [2023-11-21 19:03:52,638 INFO L902 garLoopResultBuilder]: At program point L833-23(line 833) the Hoare annotation is: true [2023-11-21 19:03:52,638 INFO L899 garLoopResultBuilder]: For program point L833-34(line 833) no Hoare annotation was computed. [2023-11-21 19:03:52,639 INFO L902 garLoopResultBuilder]: At program point L833-35(line 833) the Hoare annotation is: true [2023-11-21 19:03:52,639 INFO L899 garLoopResultBuilder]: For program point L833-36(line 833) no Hoare annotation was computed. [2023-11-21 19:03:52,639 INFO L899 garLoopResultBuilder]: For program point L833-37(line 833) no Hoare annotation was computed. [2023-11-21 19:03:52,639 INFO L899 garLoopResultBuilder]: For program point L833-38(line 833) no Hoare annotation was computed. [2023-11-21 19:03:52,639 INFO L902 garLoopResultBuilder]: At program point L833-39(line 833) the Hoare annotation is: true [2023-11-21 19:03:52,640 INFO L899 garLoopResultBuilder]: For program point L833-40(line 833) no Hoare annotation was computed. [2023-11-21 19:03:52,640 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:03:52,640 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 803) no Hoare annotation was computed. [2023-11-21 19:03:52,640 INFO L899 garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed. [2023-11-21 19:03:52,640 INFO L895 garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: false [2023-11-21 19:03:52,641 INFO L899 garLoopResultBuilder]: For program point L791(line 791) no Hoare annotation was computed. [2023-11-21 19:03:52,641 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: false [2023-11-21 19:03:52,641 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 828) no Hoare annotation was computed. [2023-11-21 19:03:52,641 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2023-11-21 19:03:52,641 INFO L895 garLoopResultBuilder]: At program point L795(line 795) the Hoare annotation is: false [2023-11-21 19:03:52,642 INFO L899 garLoopResultBuilder]: For program point L797(line 797) no Hoare annotation was computed. [2023-11-21 19:03:52,642 INFO L895 garLoopResultBuilder]: At program point L798(line 798) the Hoare annotation is: false [2023-11-21 19:03:52,642 INFO L899 garLoopResultBuilder]: For program point L800(line 800) no Hoare annotation was computed. [2023-11-21 19:03:52,642 INFO L895 garLoopResultBuilder]: At program point L801(line 801) the Hoare annotation is: false [2023-11-21 19:03:52,642 INFO L899 garLoopResultBuilder]: For program point L814-1(lines 814 822) no Hoare annotation was computed. [2023-11-21 19:03:52,643 INFO L899 garLoopResultBuilder]: For program point L814-3(lines 814 822) no Hoare annotation was computed. [2023-11-21 19:03:52,643 INFO L902 garLoopResultBuilder]: At program point L814-4(lines 814 822) the Hoare annotation is: true [2023-11-21 19:03:52,643 INFO L899 garLoopResultBuilder]: For program point L814-5(lines 814 822) no Hoare annotation was computed. [2023-11-21 19:03:52,643 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 19:03:52,643 INFO L899 garLoopResultBuilder]: For program point L823-1(lines 823 830) no Hoare annotation was computed. [2023-11-21 19:03:52,644 INFO L899 garLoopResultBuilder]: For program point L823-3(lines 823 830) no Hoare annotation was computed. [2023-11-21 19:03:52,644 INFO L902 garLoopResultBuilder]: At program point L823-4(lines 823 830) the Hoare annotation is: true [2023-11-21 19:03:52,644 INFO L899 garLoopResultBuilder]: For program point L823-5(lines 823 830) no Hoare annotation was computed. [2023-11-21 19:03:52,644 INFO L899 garLoopResultBuilder]: For program point L821-68(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,644 INFO L902 garLoopResultBuilder]: At program point L821-69(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,645 INFO L899 garLoopResultBuilder]: For program point L821-70(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,645 INFO L902 garLoopResultBuilder]: At program point L821-71(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,645 INFO L899 garLoopResultBuilder]: For program point L824-68(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,645 INFO L902 garLoopResultBuilder]: At program point L824-69(line 824) the Hoare annotation is: true [2023-11-21 19:03:52,645 INFO L899 garLoopResultBuilder]: For program point L824-70(line 824) no Hoare annotation was computed. [2023-11-21 19:03:52,646 INFO L902 garLoopResultBuilder]: At program point L824-71(line 824) the Hoare annotation is: true [2023-11-21 19:03:52,646 INFO L899 garLoopResultBuilder]: For program point L821-170(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,646 INFO L902 garLoopResultBuilder]: At program point L821-171(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,646 INFO L899 garLoopResultBuilder]: For program point L821-172(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,646 INFO L899 garLoopResultBuilder]: For program point L821-173(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,647 INFO L902 garLoopResultBuilder]: At program point L821-174(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,647 INFO L899 garLoopResultBuilder]: For program point L821-175(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,647 INFO L902 garLoopResultBuilder]: At program point L821-176(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,647 INFO L899 garLoopResultBuilder]: For program point L821-178(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,647 INFO L899 garLoopResultBuilder]: For program point L821-180(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,648 INFO L902 garLoopResultBuilder]: At program point L821-182(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,648 INFO L899 garLoopResultBuilder]: For program point L821-183(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,648 INFO L899 garLoopResultBuilder]: For program point L821-184(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,648 INFO L902 garLoopResultBuilder]: At program point L821-186(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,648 INFO L899 garLoopResultBuilder]: For program point L821-187(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,649 INFO L899 garLoopResultBuilder]: For program point L821-188(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,649 INFO L902 garLoopResultBuilder]: At program point L821-189(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,649 INFO L899 garLoopResultBuilder]: For program point L821-190(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,649 INFO L899 garLoopResultBuilder]: For program point L821-193(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,649 INFO L902 garLoopResultBuilder]: At program point L821-194(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,649 INFO L899 garLoopResultBuilder]: For program point L821-202(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,650 INFO L902 garLoopResultBuilder]: At program point L821-203(line 821) the Hoare annotation is: true [2023-11-21 19:03:52,650 INFO L899 garLoopResultBuilder]: For program point L821-210(line 821) no Hoare annotation was computed. [2023-11-21 19:03:52,650 INFO L899 garLoopResultBuilder]: For program point L782(line 782) no Hoare annotation was computed. [2023-11-21 19:03:52,650 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 783) no Hoare annotation was computed. [2023-11-21 19:03:52,650 INFO L899 garLoopResultBuilder]: For program point L781-2(lines 780 784) no Hoare annotation was computed. [2023-11-21 19:03:52,651 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 780 784) no Hoare annotation was computed. [2023-11-21 19:03:52,651 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 780 784) the Hoare annotation is: true [2023-11-21 19:03:52,651 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 782) no Hoare annotation was computed. [2023-11-21 19:03:52,655 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:03:52,657 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:03:52,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:03:52 BoogieIcfgContainer [2023-11-21 19:03:52,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:03:52,669 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:03:52,670 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:03:52,670 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:03:52,670 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:03:42" (3/4) ... [2023-11-21 19:03:52,672 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:03:52,677 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 19:03:52,678 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 19:03:52,729 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 243 nodes and edges [2023-11-21 19:03:52,732 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-21 19:03:52,734 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-21 19:03:52,737 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:03:52,967 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:03:52,968 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:03:52,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:03:52,969 INFO L158 Benchmark]: Toolchain (without parser) took 15766.69ms. Allocated memory was 188.7MB in the beginning and 239.1MB in the end (delta: 50.3MB). Free memory was 148.2MB in the beginning and 116.0MB in the end (delta: 32.2MB). Peak memory consumption was 85.7MB. Max. memory is 16.1GB. [2023-11-21 19:03:52,970 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 85.9MB in the beginning and 85.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:03:52,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 927.62ms. Allocated memory is still 188.7MB. Free memory was 148.1MB in the beginning and 111.6MB in the end (delta: 36.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-21 19:03:52,971 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.42ms. Allocated memory is still 188.7MB. Free memory was 111.6MB in the beginning and 103.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 19:03:52,971 INFO L158 Benchmark]: Boogie Preprocessor took 181.25ms. Allocated memory is still 188.7MB. Free memory was 103.3MB in the beginning and 94.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 19:03:52,972 INFO L158 Benchmark]: RCFGBuilder took 4033.59ms. Allocated memory was 188.7MB in the beginning and 239.1MB in the end (delta: 50.3MB). Free memory was 94.0MB in the beginning and 177.8MB in the end (delta: -83.8MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2023-11-21 19:03:52,972 INFO L158 Benchmark]: TraceAbstraction took 10157.82ms. Allocated memory is still 239.1MB. Free memory was 177.8MB in the beginning and 132.7MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-21 19:03:52,972 INFO L158 Benchmark]: Witness Printer took 298.81ms. Allocated memory is still 239.1MB. Free memory was 132.7MB in the beginning and 116.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 19:03:52,975 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 117.4MB. Free memory was 85.9MB in the beginning and 85.9MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 927.62ms. Allocated memory is still 188.7MB. Free memory was 148.1MB in the beginning and 111.6MB in the end (delta: 36.6MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.42ms. Allocated memory is still 188.7MB. Free memory was 111.6MB in the beginning and 103.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 181.25ms. Allocated memory is still 188.7MB. Free memory was 103.3MB in the beginning and 94.0MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4033.59ms. Allocated memory was 188.7MB in the beginning and 239.1MB in the end (delta: 50.3MB). Free memory was 94.0MB in the beginning and 177.8MB in the end (delta: -83.8MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10157.82ms. Allocated memory is still 239.1MB. Free memory was 177.8MB in the beginning and 132.7MB in the end (delta: 45.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 298.81ms. Allocated memory is still 239.1MB. Free memory was 132.7MB in the beginning and 116.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. 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: 828]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 782]: 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 3 procedures, 131 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 9.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 9.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 72 mSDtfsCounter, 20 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 46 LocationsWithAnnotation, 60 PreInvPairs, 92 NumberOfFragments, 46 HoareAnnotationTreeSize, 60 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 46 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 2 specifications checked. All of them hold - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 814]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 832]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 824]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 833]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 821]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 19:03:53,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36196ac9-bd74-407e-8124-3b9c8bf8a91f/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE