./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ --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 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:45:40,123 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:45:40,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 04:45:40,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:45:40,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:45:40,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:45:40,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:45:40,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:45:40,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:45:40,279 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:45:40,280 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:45:40,281 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:45:40,282 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:45:40,284 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:45:40,284 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:45:40,285 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:45:40,285 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:45:40,286 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:45:40,286 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:45:40,286 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:45:40,287 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:45:40,288 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:45:40,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:45:40,289 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:45:40,290 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:45:40,290 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:45:40,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:45:40,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:45:40,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:45:40,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:45:40,293 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:45:40,293 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:45:40,294 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:45:40,294 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:45:40,294 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:45:40,294 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:45:40,295 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:40,295 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:45:40,295 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:45:40,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:45:40,296 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:45:40,296 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:45:40,296 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:45:40,297 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:45:40,297 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:45:40,297 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_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60f6803c5e3744d9299e1af81cd011414f5ac623b556345642fa85a1d93686e4 [2023-11-19 04:45:40,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:45:40,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:45:40,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:45:40,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:45:40,632 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:45:40,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2023-11-19 04:45:43,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:45:44,130 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:45:44,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i [2023-11-19 04:45:44,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/data/944c4d655/22720c99d2ff41b2bcd50b768077ef16/FLAG40ab32e26 [2023-11-19 04:45:44,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/data/944c4d655/22720c99d2ff41b2bcd50b768077ef16 [2023-11-19 04:45:44,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:45:44,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:45:44,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:44,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:45:44,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:45:44,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b62196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:44, skipping insertion in model container [2023-11-19 04:45:44,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:45:44" (1/1) ... [2023-11-19 04:45:44,337 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:45:44,826 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_29952af0-4693-4088-b64a-094d04378fa1/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2023-11-19 04:45:44,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:44,989 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:45:45,022 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_29952af0-4693-4088-b64a-094d04378fa1/sv-benchmarks/c/uthash-2.0.2/uthash_JEN_test1-2.i[33021,33034] [2023-11-19 04:45:45,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:45:45,161 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:45:45,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45 WrapperNode [2023-11-19 04:45:45,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:45:45,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:45,164 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:45:45,164 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:45:45,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,304 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 955 [2023-11-19 04:45:45,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:45:45,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:45:45,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:45:45,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:45:45,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,405 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,423 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,462 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:45:45,463 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:45:45,463 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:45:45,463 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:45:45,464 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (1/1) ... [2023-11-19 04:45:45,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:45:45,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:45,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:45:45,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:45:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:45:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:45:45,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:45:45,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:45:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 04:45:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 04:45:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 04:45:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:45:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:45:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 04:45:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 04:45:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:45:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:45:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:45:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:45:45,809 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:45:45,811 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:45:47,275 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:45:48,389 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:45:48,390 INFO L302 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-19 04:45:48,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:48 BoogieIcfgContainer [2023-11-19 04:45:48,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:45:48,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:45:48,404 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:45:48,408 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:45:48,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:45:44" (1/3) ... [2023-11-19 04:45:48,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f68bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:48, skipping insertion in model container [2023-11-19 04:45:48,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:45:45" (2/3) ... [2023-11-19 04:45:48,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f68bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:45:48, skipping insertion in model container [2023-11-19 04:45:48,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:48" (3/3) ... [2023-11-19 04:45:48,414 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_JEN_test1-2.i [2023-11-19 04:45:48,435 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:45:48,435 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 04:45:48,508 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:45:48,516 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;@2a88ad11, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:45:48,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 04:45:48,523 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 83 states have (on average 1.7349397590361446) internal successors, (144), 94 states have internal predecessors, (144), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 04:45:48,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:45:48,533 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:48,533 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:45:48,534 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:45:48,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:48,542 INFO L85 PathProgramCache]: Analyzing trace with hash -692235053, now seen corresponding path program 1 times [2023-11-19 04:45:48,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:45:48,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137875303] [2023-11-19 04:45:48,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:48,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:45:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:45:48,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:45:48,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:45:48,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137875303] [2023-11-19 04:45:48,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137875303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:45:48,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:45:48,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:45:48,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985430523] [2023-11-19 04:45:48,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:45:48,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:45:48,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:45:48,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:45:48,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:45:48,887 INFO L87 Difference]: Start difference. First operand has 100 states, 83 states have (on average 1.7349397590361446) internal successors, (144), 94 states have internal predecessors, (144), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:45:50,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:45:52,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:45:55,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:45:57,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 04:45:59,126 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 [] [2023-11-19 04:45:59,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:45:59,526 INFO L93 Difference]: Finished difference Result 208 states and 366 transitions. [2023-11-19 04:45:59,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:45:59,533 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-19 04:45:59,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:45:59,544 INFO L225 Difference]: With dead ends: 208 [2023-11-19 04:45:59,544 INFO L226 Difference]: Without dead ends: 85 [2023-11-19 04:45:59,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:45:59,558 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 53 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-19 04:45:59,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 175 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 36 Invalid, 4 Unknown, 0 Unchecked, 10.6s Time] [2023-11-19 04:45:59,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-19 04:45:59,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-19 04:45:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 69 states have (on average 1.2463768115942029) internal successors, (86), 79 states have internal predecessors, (86), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 04:45:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 112 transitions. [2023-11-19 04:45:59,636 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 112 transitions. Word has length 8 [2023-11-19 04:45:59,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:45:59,640 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 112 transitions. [2023-11-19 04:45:59,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:45:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2023-11-19 04:45:59,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 04:45:59,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:45:59,647 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:45:59,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:45:59,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 04:45:59,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:45:59,649 INFO L85 PathProgramCache]: Analyzing trace with hash -2032290299, now seen corresponding path program 1 times [2023-11-19 04:45:59,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:45:59,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460461876] [2023-11-19 04:45:59,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:59,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:45:59,742 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 04:45:59,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1556804088] [2023-11-19 04:45:59,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:45:59,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:45:59,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:45:59,748 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 04:45:59,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 04:46:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:46:00,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 04:46:00,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:46:00,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:46:00,212 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 04:46:00,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:46:00,292 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:46:00,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460461876] [2023-11-19 04:46:00,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 04:46:00,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1556804088] [2023-11-19 04:46:00,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1556804088] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 04:46:00,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [796374770] [2023-11-19 04:46:00,317 INFO L159 IcfgInterpreter]: Started Sifa with 35 locations of interest [2023-11-19 04:46:00,317 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 04:46:00,322 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 04:46:00,328 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 04:46:00,328 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 04:46:06,589 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 04:46:17,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [796374770] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:46:17,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-19 04:46:17,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3] total 12 [2023-11-19 04:46:17,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959120193] [2023-11-19 04:46:17,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:46:17,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 04:46:17,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:46:17,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 04:46:17,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=82, Unknown=5, NotChecked=0, Total=156 [2023-11-19 04:46:17,799 INFO L87 Difference]: Start difference. First operand 85 states and 112 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:46:19,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2023-11-19 04:46:22,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:46:24,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:46:26,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:46:28,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:46:30,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:46:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:46:30,704 INFO L93 Difference]: Finished difference Result 87 states and 115 transitions. [2023-11-19 04:46:30,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 04:46:30,710 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2023-11-19 04:46:30,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:46:30,710 INFO L225 Difference]: With dead ends: 87 [2023-11-19 04:46:30,710 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:46:30,711 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=69, Invalid=82, Unknown=5, NotChecked=0, Total=156 [2023-11-19 04:46:30,713 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2023-11-19 04:46:30,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 5 Unknown, 0 Unchecked, 12.9s Time] [2023-11-19 04:46:30,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:46:30,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:46:30,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:46:30,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:46:30,715 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2023-11-19 04:46:30,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:46:30,715 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:46:30,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 8 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:46:30,715 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:46:30,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:46:30,718 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 04:46:30,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:46:30,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 04:46:30,928 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 04:46:31,089 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:46:31,089 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-19 04:46:31,089 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-19 04:46:31,089 INFO L899 garLoopResultBuilder]: For program point L757-170(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,090 INFO L902 garLoopResultBuilder]: At program point L757-171(line 757) the Hoare annotation is: true [2023-11-19 04:46:31,090 INFO L899 garLoopResultBuilder]: For program point L757-172(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,090 INFO L899 garLoopResultBuilder]: For program point L757-173(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,090 INFO L902 garLoopResultBuilder]: At program point L757-174(line 757) the Hoare annotation is: true [2023-11-19 04:46:31,090 INFO L899 garLoopResultBuilder]: For program point L757-175(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,090 INFO L902 garLoopResultBuilder]: At program point L757-176(line 757) the Hoare annotation is: true [2023-11-19 04:46:31,090 INFO L899 garLoopResultBuilder]: For program point L757-178(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,091 INFO L899 garLoopResultBuilder]: For program point L757-180(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,091 INFO L895 garLoopResultBuilder]: At program point L757-182(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,091 INFO L899 garLoopResultBuilder]: For program point L757-183(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,091 INFO L899 garLoopResultBuilder]: For program point L757-184(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,091 INFO L895 garLoopResultBuilder]: At program point L757-186(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,092 INFO L899 garLoopResultBuilder]: For program point L757-187(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,092 INFO L899 garLoopResultBuilder]: For program point L757-188(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,092 INFO L895 garLoopResultBuilder]: At program point L757-189(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,093 INFO L899 garLoopResultBuilder]: For program point L757-190(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,093 INFO L899 garLoopResultBuilder]: For program point L757-193(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,093 INFO L895 garLoopResultBuilder]: At program point L757-194(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,093 INFO L902 garLoopResultBuilder]: At program point L763-9(lines 763 766) the Hoare annotation is: true [2023-11-19 04:46:31,093 INFO L899 garLoopResultBuilder]: For program point L757-202(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,094 INFO L895 garLoopResultBuilder]: At program point L757-203(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,094 INFO L899 garLoopResultBuilder]: For program point L757-210(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,094 INFO L899 garLoopResultBuilder]: For program point L757-212(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,094 INFO L895 garLoopResultBuilder]: At program point L757-214(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,094 INFO L899 garLoopResultBuilder]: For program point L757-215(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,095 INFO L899 garLoopResultBuilder]: For program point L764-3(line 764) no Hoare annotation was computed. [2023-11-19 04:46:31,095 INFO L899 garLoopResultBuilder]: For program point L757-225(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,095 INFO L899 garLoopResultBuilder]: For program point L764-8(line 764) no Hoare annotation was computed. [2023-11-19 04:46:31,095 INFO L899 garLoopResultBuilder]: For program point L764-11(line 764) no Hoare annotation was computed. [2023-11-19 04:46:31,095 INFO L902 garLoopResultBuilder]: At program point L764-12(line 764) the Hoare annotation is: true [2023-11-19 04:46:31,096 INFO L899 garLoopResultBuilder]: For program point L764-13(line 764) no Hoare annotation was computed. [2023-11-19 04:46:31,096 INFO L899 garLoopResultBuilder]: For program point L757-235(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,096 INFO L895 garLoopResultBuilder]: At program point L757-236(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,096 INFO L899 garLoopResultBuilder]: For program point L757-237(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,096 INFO L899 garLoopResultBuilder]: For program point L764-22(line 764) no Hoare annotation was computed. [2023-11-19 04:46:31,096 INFO L902 garLoopResultBuilder]: At program point L764-23(line 764) the Hoare annotation is: true [2023-11-19 04:46:31,097 INFO L895 garLoopResultBuilder]: At program point L757-246(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,097 INFO L895 garLoopResultBuilder]: At program point L757-248(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,097 INFO L899 garLoopResultBuilder]: For program point L757-249(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,097 INFO L899 garLoopResultBuilder]: For program point L764-34(line 764) no Hoare annotation was computed. [2023-11-19 04:46:31,097 INFO L902 garLoopResultBuilder]: At program point L764-35(line 764) the Hoare annotation is: true [2023-11-19 04:46:31,098 INFO L899 garLoopResultBuilder]: For program point L764-36(line 764) no Hoare annotation was computed. [2023-11-19 04:46:31,098 INFO L899 garLoopResultBuilder]: For program point L764-37(line 764) no Hoare annotation was computed. [2023-11-19 04:46:31,098 INFO L899 garLoopResultBuilder]: For program point L757-255(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,098 INFO L899 garLoopResultBuilder]: For program point L764-38(line 764) no Hoare annotation was computed. [2023-11-19 04:46:31,098 INFO L899 garLoopResultBuilder]: For program point L757-256(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,098 INFO L902 garLoopResultBuilder]: At program point L764-39(line 764) the Hoare annotation is: true [2023-11-19 04:46:31,099 INFO L895 garLoopResultBuilder]: At program point L757-257(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,099 INFO L899 garLoopResultBuilder]: For program point L764-40(line 764) no Hoare annotation was computed. [2023-11-19 04:46:31,099 INFO L899 garLoopResultBuilder]: For program point L757-259(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,099 INFO L899 garLoopResultBuilder]: For program point L757-260(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,099 INFO L895 garLoopResultBuilder]: At program point L757-261(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,100 INFO L899 garLoopResultBuilder]: For program point L757-262(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,100 INFO L899 garLoopResultBuilder]: For program point L757-263(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,100 INFO L895 garLoopResultBuilder]: At program point L757-264(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,100 INFO L899 garLoopResultBuilder]: For program point L757-265(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,100 INFO L895 garLoopResultBuilder]: At program point L757-266(line 757) the Hoare annotation is: false [2023-11-19 04:46:31,101 INFO L899 garLoopResultBuilder]: For program point L757-267(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,101 INFO L899 garLoopResultBuilder]: For program point L757-268(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,101 INFO L902 garLoopResultBuilder]: At program point L757-269(line 757) the Hoare annotation is: true [2023-11-19 04:46:31,101 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 739) no Hoare annotation was computed. [2023-11-19 04:46:31,101 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-19 04:46:31,102 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-19 04:46:31,102 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-19 04:46:31,102 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-19 04:46:31,102 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-19 04:46:31,102 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-19 04:46:31,102 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-19 04:46:31,103 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 04:46:31,103 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-19 04:46:31,103 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-19 04:46:31,103 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-19 04:46:31,103 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-11-19 04:46:31,104 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: false [2023-11-19 04:46:31,104 INFO L899 garLoopResultBuilder]: For program point L727(line 727) no Hoare annotation was computed. [2023-11-19 04:46:31,104 INFO L895 garLoopResultBuilder]: At program point L728(line 728) the Hoare annotation is: false [2023-11-19 04:46:31,104 INFO L899 garLoopResultBuilder]: For program point L730(line 730) no Hoare annotation was computed. [2023-11-19 04:46:31,104 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: false [2023-11-19 04:46:31,104 INFO L899 garLoopResultBuilder]: For program point L733(line 733) no Hoare annotation was computed. [2023-11-19 04:46:31,105 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: false [2023-11-19 04:46:31,105 INFO L899 garLoopResultBuilder]: For program point L736(line 736) no Hoare annotation was computed. [2023-11-19 04:46:31,105 INFO L895 garLoopResultBuilder]: At program point L737(line 737) the Hoare annotation is: false [2023-11-19 04:46:31,105 INFO L899 garLoopResultBuilder]: For program point L750-2(lines 750 758) no Hoare annotation was computed. [2023-11-19 04:46:31,105 INFO L895 garLoopResultBuilder]: At program point L750-3(lines 750 758) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (and (= 21 (select |#length| 2)) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (= 2 (select |#length| 1)) (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) (= (select .cse0 0) 48) (= ~count_int_int~0 0) (= (select .cse0 1) 0))) [2023-11-19 04:46:31,106 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 04:46:31,106 INFO L895 garLoopResultBuilder]: At program point L759-3(lines 759 761) the Hoare annotation is: false [2023-11-19 04:46:31,106 INFO L899 garLoopResultBuilder]: For program point L757-68(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,106 INFO L902 garLoopResultBuilder]: At program point L757-69(line 757) the Hoare annotation is: true [2023-11-19 04:46:31,106 INFO L899 garLoopResultBuilder]: For program point L757-70(line 757) no Hoare annotation was computed. [2023-11-19 04:46:31,107 INFO L902 garLoopResultBuilder]: At program point L757-71(line 757) the Hoare annotation is: true [2023-11-19 04:46:31,107 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-19 04:46:31,107 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-19 04:46:31,107 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-19 04:46:31,107 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-19 04:46:31,108 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-19 04:46:31,108 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-19 04:46:31,111 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 04:46:31,114 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:46:31,130 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated [2023-11-19 04:46:31,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated [2023-11-19 04:46:31,132 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated [2023-11-19 04:46:31,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated [2023-11-19 04:46:31,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated [2023-11-19 04:46:31,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated [2023-11-19 04:46:31,133 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated [2023-11-19 04:46:31,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:46:31 BoogieIcfgContainer [2023-11-19 04:46:31,135 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:46:31,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:46:31,136 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:46:31,136 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:46:31,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:45:48" (3/4) ... [2023-11-19 04:46:31,139 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:46:31,142 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-19 04:46:31,143 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 04:46:31,164 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 134 nodes and edges [2023-11-19 04:46:31,166 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 04:46:31,167 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 04:46:31,169 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-19 04:46:31,383 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:46:31,390 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:46:31,390 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:46:31,391 INFO L158 Benchmark]: Toolchain (without parser) took 47164.06ms. Allocated memory was 161.5MB in the beginning and 237.0MB in the end (delta: 75.5MB). Free memory was 131.7MB in the beginning and 181.9MB in the end (delta: -50.2MB). Peak memory consumption was 152.3MB. Max. memory is 16.1GB. [2023-11-19 04:46:31,391 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:46:31,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 930.42ms. Allocated memory is still 161.5MB. Free memory was 131.5MB in the beginning and 103.5MB in the end (delta: 28.0MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-11-19 04:46:31,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 140.93ms. Allocated memory is still 161.5MB. Free memory was 103.5MB in the beginning and 96.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:46:31,392 INFO L158 Benchmark]: Boogie Preprocessor took 156.96ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 90.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:46:31,393 INFO L158 Benchmark]: RCFGBuilder took 2937.66ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 89.8MB in the beginning and 115.2MB in the end (delta: -25.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2023-11-19 04:46:31,393 INFO L158 Benchmark]: TraceAbstraction took 42731.46ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 115.2MB in the beginning and 58.3MB in the end (delta: 56.9MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2023-11-19 04:46:31,394 INFO L158 Benchmark]: Witness Printer took 255.02ms. Allocated memory is still 237.0MB. Free memory was 58.3MB in the beginning and 181.9MB in the end (delta: -123.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-19 04:46:31,397 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory is still 99.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 930.42ms. Allocated memory is still 161.5MB. Free memory was 131.5MB in the beginning and 103.5MB in the end (delta: 28.0MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 140.93ms. Allocated memory is still 161.5MB. Free memory was 103.5MB in the beginning and 96.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 156.96ms. Allocated memory is still 161.5MB. Free memory was 96.7MB in the beginning and 90.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2937.66ms. Allocated memory was 161.5MB in the beginning and 197.1MB in the end (delta: 35.7MB). Free memory was 89.8MB in the beginning and 115.2MB in the end (delta: -25.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * TraceAbstraction took 42731.46ms. Allocated memory was 197.1MB in the beginning and 237.0MB in the end (delta: 39.8MB). Free memory was 115.2MB in the beginning and 58.3MB in the end (delta: 56.9MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. * Witness Printer took 255.02ms. Allocated memory is still 237.0MB. Free memory was 58.3MB in the beginning and 181.9MB in the end (delta: -123.7MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #valid[2] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[1][1] could not be translated * 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: 703]: 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, 100 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 23.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 180 SdHoareTripleChecker+Invalid, 23.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 71 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 109 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 11.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 68 PreInvPairs, 85 NumberOfFragments, 93 HoareAnnotationTreeSize, 68 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 189 SizeOfPredicates, 0 NumberOfNonLiveVariables, 315 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 0/2 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: OVERALL_TIME: 6.3s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 19, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 59, TOOLS_POST_TIME: 2.0s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 25, TOOLS_QUANTIFIERELIM_TIME: 2.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.7s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 76, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 5, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 19, DOMAIN_ISBOTTOM_TIME: 4.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1282, DAG_COMPRESSION_RETAINED_NODES: 115, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: ((i == 0) && (count_int_int == 0)) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 759]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-19 04:46:31,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29952af0-4693-4088-b64a-094d04378fa1/bin/utaipan-verify-t7M7D8N6sZ/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