./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.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_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/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_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/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_efadbba3-43ed-4605-b8d5-51b813871e8a/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 d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:47:53,900 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:47:54,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:47:54,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:47:54,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:47:54,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:47:54,068 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:47:54,069 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:47:54,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:47:54,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:47:54,076 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:47:54,077 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:47:54,077 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:47:54,078 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:47:54,078 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:47:54,078 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:47:54,079 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:47:54,079 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:47:54,080 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:47:54,080 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:47:54,081 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:47:54,082 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:47:54,083 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:47:54,083 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:47:54,084 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:47:54,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:47:54,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:47:54,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:47:54,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:47:54,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:47:54,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:47:54,088 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:47:54,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:47:54,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:47:54,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:47:54,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:47:54,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:47:54,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:47:54,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:47:54,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:47:54,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:47:54,091 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:47:54,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:47:54,091 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:47:54,092 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:47:54,092 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:47:54,092 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:47:54,092 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_efadbba3-43ed-4605-b8d5-51b813871e8a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d11f955236406002afd026860cf5cae6834e26918579de44c447a4ac30cb678d [2023-11-21 19:47:54,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:47:54,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:47:54,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:47:54,484 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:47:54,485 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:47:54,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2023-11-21 19:47:57,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:47:57,980 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:47:57,980 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i [2023-11-21 19:47:57,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/data/72d258581/f5ca1bcaaf5e4cceb094a543e0408ee5/FLAG586979d05 [2023-11-21 19:47:58,015 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/data/72d258581/f5ca1bcaaf5e4cceb094a543e0408ee5 [2023-11-21 19:47:58,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:47:58,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:47:58,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:47:58,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:47:58,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:47:58,027 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:47:58" (1/1) ... [2023-11-21 19:47:58,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ea4c27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:58, skipping insertion in model container [2023-11-21 19:47:58,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:47:58" (1/1) ... [2023-11-21 19:47:58,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:47:58,667 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_efadbba3-43ed-4605-b8d5-51b813871e8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i[33021,33034] [2023-11-21 19:47:58,801 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_efadbba3-43ed-4605-b8d5-51b813871e8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i[44590,44603] [2023-11-21 19:47:58,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:47:58,871 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:47:58,906 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_efadbba3-43ed-4605-b8d5-51b813871e8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i[33021,33034] [2023-11-21 19:47:59,021 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_efadbba3-43ed-4605-b8d5-51b813871e8a/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test3-2.i[44590,44603] [2023-11-21 19:47:59,044 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:47:59,099 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:47:59,133 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:47:59,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59 WrapperNode [2023-11-21 19:47:59,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:47:59,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:47:59,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:47:59,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:47:59,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,317 INFO L138 Inliner]: procedures = 177, calls = 336, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1524 [2023-11-21 19:47:59,318 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:47:59,318 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:47:59,319 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:47:59,319 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:47:59,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:47:59,523 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:47:59,524 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:47:59,524 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:47:59,525 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (1/1) ... [2023-11-21 19:47:59,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:47:59,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:47:59,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:47:59,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:47:59,607 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:47:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 19:47:59,608 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 19:47:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:47:59,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 19:47:59,609 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 19:47:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 19:47:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:47:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 19:47:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:47:59,609 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 19:47:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 19:47:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:47:59,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:47:59,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:47:59,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:47:59,907 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:47:59,909 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:48:01,707 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:48:03,584 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:48:03,585 INFO L308 CfgBuilder]: Removed 72 assume(true) statements. [2023-11-21 19:48:03,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:48:03 BoogieIcfgContainer [2023-11-21 19:48:03,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:48:03,592 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:48:03,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:48:03,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:48:03,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:47:58" (1/3) ... [2023-11-21 19:48:03,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450ea17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:48:03, skipping insertion in model container [2023-11-21 19:48:03,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:47:59" (2/3) ... [2023-11-21 19:48:03,599 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@450ea17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:48:03, skipping insertion in model container [2023-11-21 19:48:03,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:48:03" (3/3) ... [2023-11-21 19:48:03,601 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test3-2.i [2023-11-21 19:48:03,625 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:48:03,625 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-21 19:48:03,696 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:48:03,704 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;@3a4f5b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:48:03,705 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-11-21 19:48:03,712 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 133 states have (on average 1.744360902255639) internal successors, (232), 140 states have internal predecessors, (232), 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 19:48:03,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 19:48:03,728 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:48:03,729 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:48:03,729 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:48:03,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:48:03,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1324719870, now seen corresponding path program 1 times [2023-11-21 19:48:03,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:48:03,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293985116] [2023-11-21 19:48:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:48:03,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:48:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:48:03,990 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 19:48:03,991 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:48:03,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293985116] [2023-11-21 19:48:03,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293985116] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:48:03,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:48:03,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:48:03,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103748212] [2023-11-21 19:48:03,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:48:04,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 19:48:04,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:48:04,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 19:48:04,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 19:48:04,049 INFO L87 Difference]: Start difference. First operand has 146 states, 133 states have (on average 1.744360902255639) internal successors, (232), 140 states have internal predecessors, (232), 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 19:48:06,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:08,129 WARN L539 Checker$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 19:48:10,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:12,188 WARN L539 Checker$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 19:48:12,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:48:12,615 INFO L93 Difference]: Finished difference Result 248 states and 425 transitions. [2023-11-21 19:48:12,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:48:12,623 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 19:48:12,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:48:12,635 INFO L225 Difference]: With dead ends: 248 [2023-11-21 19:48:12,635 INFO L226 Difference]: Without dead ends: 79 [2023-11-21 19:48:12,639 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 19:48:12,645 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-21 19:48:12,646 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2023-11-21 19:48:12,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-21 19:48:12,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-21 19:48:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 73 states have internal predecessors, (81), 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 19:48:12,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 97 transitions. [2023-11-21 19:48:12,711 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 97 transitions. Word has length 8 [2023-11-21 19:48:12,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:48:12,712 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 97 transitions. [2023-11-21 19:48:12,713 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 19:48:12,713 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 97 transitions. [2023-11-21 19:48:12,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 19:48:12,715 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:48:12,715 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:48:12,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:48:12,722 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:48:12,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:48:12,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1256970015, now seen corresponding path program 1 times [2023-11-21 19:48:12,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:48:12,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59581020] [2023-11-21 19:48:12,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:48:12,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:48:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:48:13,016 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 19:48:13,016 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:48:13,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59581020] [2023-11-21 19:48:13,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59581020] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:48:13,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:48:13,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 19:48:13,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729201120] [2023-11-21 19:48:13,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:48:13,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 19:48:13,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:48:13,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 19:48:13,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:48:13,022 INFO L87 Difference]: Start difference. First operand 79 states and 97 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-11-21 19:48:14,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:16,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:18,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:21,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:23,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:25,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:27,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:29,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:31,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:48:31,389 INFO L93 Difference]: Finished difference Result 219 states and 265 transitions. [2023-11-21 19:48:31,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 19:48:31,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 13 [2023-11-21 19:48:31,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:48:31,396 INFO L225 Difference]: With dead ends: 219 [2023-11-21 19:48:31,396 INFO L226 Difference]: Without dead ends: 140 [2023-11-21 19:48:31,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 19:48:31,399 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 78 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2023-11-21 19:48:31,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 273 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 97 Invalid, 4 Unknown, 0 Unchecked, 18.3s Time] [2023-11-21 19:48:31,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-21 19:48:31,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 89. [2023-11-21 19:48:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.1794871794871795) internal successors, (92), 83 states have internal predecessors, (92), 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 19:48:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 108 transitions. [2023-11-21 19:48:31,416 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 108 transitions. Word has length 13 [2023-11-21 19:48:31,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:48:31,417 INFO L495 AbstractCegarLoop]: Abstraction has 89 states and 108 transitions. [2023-11-21 19:48:31,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2023-11-21 19:48:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 108 transitions. [2023-11-21 19:48:31,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 19:48:31,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:48:31,420 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1] [2023-11-21 19:48:31,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 19:48:31,420 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:48:31,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:48:31,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1393013738, now seen corresponding path program 1 times [2023-11-21 19:48:31,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:48:31,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297987272] [2023-11-21 19:48:31,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:48:31,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:48:31,515 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 19:48:31,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2115747106] [2023-11-21 19:48:31,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:48:31,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 19:48:31,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:48:31,527 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 19:48:31,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 19:48:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:48:31,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 19:48:31,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:48:32,044 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 19:48:32,044 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:48:32,045 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:48:32,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297987272] [2023-11-21 19:48:32,045 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 19:48:32,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115747106] [2023-11-21 19:48:32,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115747106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:48:32,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:48:32,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:48:32,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510017837] [2023-11-21 19:48:32,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:48:32,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 19:48:32,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:48:32,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 19:48:32,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:48:32,050 INFO L87 Difference]: Start difference. First operand 89 states and 108 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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) [2023-11-21 19:48:34,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:36,124 WARN L539 Checker$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 19:48:38,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:40,864 WARN L539 Checker$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 19:48:42,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 19:48:42,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:48:42,922 INFO L93 Difference]: Finished difference Result 175 states and 213 transitions. [2023-11-21 19:48:42,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 19:48:42,928 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 41 [2023-11-21 19:48:42,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:48:42,930 INFO L225 Difference]: With dead ends: 175 [2023-11-21 19:48:42,930 INFO L226 Difference]: Without dead ends: 96 [2023-11-21 19:48:42,931 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 19:48:42,932 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 11 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2023-11-21 19:48:42,932 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 151 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 4 Unknown, 0 Unchecked, 10.9s Time] [2023-11-21 19:48:42,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-21 19:48:42,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-21 19:48:42,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 85 states have (on average 1.1647058823529413) internal successors, (99), 90 states have internal predecessors, (99), 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 19:48:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2023-11-21 19:48:42,946 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 41 [2023-11-21 19:48:42,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:48:42,946 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2023-11-21 19:48:42,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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) [2023-11-21 19:48:42,947 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2023-11-21 19:48:42,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 19:48:42,949 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:48:42,949 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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] [2023-11-21 19:48:42,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 19:48:43,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 19:48:43,164 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:48:43,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:48:43,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1948245542, now seen corresponding path program 1 times [2023-11-21 19:48:43,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:48:43,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775889654] [2023-11-21 19:48:43,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:48:43,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:48:43,263 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-21 19:48:43,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [256153319] [2023-11-21 19:48:43,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:48:43,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 19:48:43,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:48:43,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 19:48:43,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 19:48:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:48:43,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 19:48:43,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 19:48:43,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-21 19:48:43,791 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-21 19:48:43,791 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 19:48:43,791 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:48:43,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775889654] [2023-11-21 19:48:43,792 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-21 19:48:43,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256153319] [2023-11-21 19:48:43,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256153319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:48:43,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:48:43,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 19:48:43,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865871933] [2023-11-21 19:48:43,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:48:43,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 19:48:43,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:48:43,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 19:48:43,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-21 19:48:43,795 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 19:48:45,836 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 [] [2023-11-21 19:48:47,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:49,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:51,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:54,076 WARN L539 Checker$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 19:48:55,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:57,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:48:58,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:48:58,789 INFO L93 Difference]: Finished difference Result 96 states and 115 transitions. [2023-11-21 19:48:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 19:48:58,795 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 54 [2023-11-21 19:48:58,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:48:58,796 INFO L225 Difference]: With dead ends: 96 [2023-11-21 19:48:58,796 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:48:58,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-21 19:48:58,798 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 15 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2023-11-21 19:48:58,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 141 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 5 Unknown, 0 Unchecked, 15.0s Time] [2023-11-21 19:48:58,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:48:58,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:48:58,800 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 19:48:58,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:48:58,801 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2023-11-21 19:48:58,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:48:58,801 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:48:58,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-21 19:48:58,802 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:48:58,802 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:48:58,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2023-11-21 19:48:58,806 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2023-11-21 19:48:58,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-21 19:48:59,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 19:48:59,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 19:48:59,128 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:48:59,133 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 19:48:59,133 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 19:48:59,134 INFO L899 garLoopResultBuilder]: For program point L708(lines 708 724) no Hoare annotation was computed. [2023-11-21 19:48:59,135 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-11-21 19:48:59,136 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: false [2023-11-21 19:48:59,136 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-11-21 19:48:59,138 INFO L895 garLoopResultBuilder]: At program point L713(line 713) the Hoare annotation is: false [2023-11-21 19:48:59,138 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-11-21 19:48:59,140 INFO L895 garLoopResultBuilder]: At program point L716(line 716) the Hoare annotation is: false [2023-11-21 19:48:59,140 INFO L899 garLoopResultBuilder]: For program point L718(line 718) no Hoare annotation was computed. [2023-11-21 19:48:59,141 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:48:59,141 INFO L895 garLoopResultBuilder]: At program point L719(line 719) the Hoare annotation is: false [2023-11-21 19:48:59,141 INFO L899 garLoopResultBuilder]: For program point L721(line 721) no Hoare annotation was computed. [2023-11-21 19:48:59,141 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: false [2023-11-21 19:48:59,142 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 750) no Hoare annotation was computed. [2023-11-21 19:48:59,142 INFO L899 garLoopResultBuilder]: For program point L735-1(lines 735 743) no Hoare annotation was computed. [2023-11-21 19:48:59,142 INFO L899 garLoopResultBuilder]: For program point L735-3(lines 735 743) no Hoare annotation was computed. [2023-11-21 19:48:59,142 INFO L902 garLoopResultBuilder]: At program point L735-4(lines 735 743) the Hoare annotation is: true [2023-11-21 19:48:59,142 INFO L899 garLoopResultBuilder]: For program point L735-5(lines 735 743) no Hoare annotation was computed. [2023-11-21 19:48:59,142 INFO L899 garLoopResultBuilder]: For program point L744-1(lines 744 752) no Hoare annotation was computed. [2023-11-21 19:48:59,143 INFO L899 garLoopResultBuilder]: For program point L744-3(lines 744 752) no Hoare annotation was computed. [2023-11-21 19:48:59,146 INFO L895 garLoopResultBuilder]: At program point L744-4(lines 744 752) the Hoare annotation is: (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) [2023-11-21 19:48:59,147 INFO L899 garLoopResultBuilder]: For program point L744-5(lines 744 752) no Hoare annotation was computed. [2023-11-21 19:48:59,147 INFO L899 garLoopResultBuilder]: For program point L742-68(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,150 INFO L902 garLoopResultBuilder]: At program point L742-69(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,150 INFO L899 garLoopResultBuilder]: For program point L742-70(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,150 INFO L902 garLoopResultBuilder]: At program point L742-71(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,150 INFO L899 garLoopResultBuilder]: For program point L747-3(line 747) no Hoare annotation was computed. [2023-11-21 19:48:59,151 INFO L899 garLoopResultBuilder]: For program point L745-68(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,151 INFO L902 garLoopResultBuilder]: At program point L745-69(line 745) the Hoare annotation is: true [2023-11-21 19:48:59,151 INFO L899 garLoopResultBuilder]: For program point L745-70(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,151 INFO L899 garLoopResultBuilder]: For program point L747-8(line 747) no Hoare annotation was computed. [2023-11-21 19:48:59,151 INFO L902 garLoopResultBuilder]: At program point L745-71(line 745) the Hoare annotation is: true [2023-11-21 19:48:59,152 INFO L899 garLoopResultBuilder]: For program point L747-11(line 747) no Hoare annotation was computed. [2023-11-21 19:48:59,152 INFO L895 garLoopResultBuilder]: At program point L747-12(line 747) the Hoare annotation is: false [2023-11-21 19:48:59,152 INFO L899 garLoopResultBuilder]: For program point L747-13(line 747) no Hoare annotation was computed. [2023-11-21 19:48:59,152 INFO L899 garLoopResultBuilder]: For program point L742-170(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,152 INFO L902 garLoopResultBuilder]: At program point L742-171(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,152 INFO L899 garLoopResultBuilder]: For program point L742-172(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,153 INFO L899 garLoopResultBuilder]: For program point L742-173(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,153 INFO L902 garLoopResultBuilder]: At program point L742-174(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,153 INFO L899 garLoopResultBuilder]: For program point L742-175(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,153 INFO L902 garLoopResultBuilder]: At program point L742-176(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,153 INFO L899 garLoopResultBuilder]: For program point L747-22(line 747) no Hoare annotation was computed. [2023-11-21 19:48:59,153 INFO L899 garLoopResultBuilder]: For program point L742-178(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,154 INFO L895 garLoopResultBuilder]: At program point L747-23(line 747) the Hoare annotation is: false [2023-11-21 19:48:59,154 INFO L899 garLoopResultBuilder]: For program point L742-180(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,154 INFO L895 garLoopResultBuilder]: At program point L742-182(line 742) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 19:48:59,154 INFO L899 garLoopResultBuilder]: For program point L742-183(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,154 INFO L899 garLoopResultBuilder]: For program point L742-184(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,158 INFO L895 garLoopResultBuilder]: At program point L742-186(line 742) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 19:48:59,158 INFO L899 garLoopResultBuilder]: For program point L742-187(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,159 INFO L899 garLoopResultBuilder]: For program point L742-188(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,159 INFO L895 garLoopResultBuilder]: At program point L742-189(line 742) the Hoare annotation is: (and (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 19:48:59,159 INFO L899 garLoopResultBuilder]: For program point L747-34(line 747) no Hoare annotation was computed. [2023-11-21 19:48:59,159 INFO L899 garLoopResultBuilder]: For program point L742-190(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,160 INFO L895 garLoopResultBuilder]: At program point L747-35(line 747) the Hoare annotation is: false [2023-11-21 19:48:59,160 INFO L899 garLoopResultBuilder]: For program point L747-36(line 747) no Hoare annotation was computed. [2023-11-21 19:48:59,160 INFO L899 garLoopResultBuilder]: For program point L747-37(line 747) no Hoare annotation was computed. [2023-11-21 19:48:59,160 INFO L899 garLoopResultBuilder]: For program point L742-193(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,160 INFO L899 garLoopResultBuilder]: For program point L747-38(line 747) no Hoare annotation was computed. [2023-11-21 19:48:59,160 INFO L902 garLoopResultBuilder]: At program point L742-194(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,161 INFO L895 garLoopResultBuilder]: At program point L747-39(line 747) the Hoare annotation is: false [2023-11-21 19:48:59,161 INFO L899 garLoopResultBuilder]: For program point L747-40(line 747) no Hoare annotation was computed. [2023-11-21 19:48:59,161 INFO L899 garLoopResultBuilder]: For program point L742-202(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,161 INFO L902 garLoopResultBuilder]: At program point L742-203(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,161 INFO L899 garLoopResultBuilder]: For program point L742-210(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,162 INFO L899 garLoopResultBuilder]: For program point L742-212(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,162 INFO L902 garLoopResultBuilder]: At program point L742-214(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,162 INFO L899 garLoopResultBuilder]: For program point L742-215(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,162 INFO L899 garLoopResultBuilder]: For program point L742-225(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,164 INFO L899 garLoopResultBuilder]: For program point L742-235(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,164 INFO L902 garLoopResultBuilder]: At program point L742-236(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,164 INFO L899 garLoopResultBuilder]: For program point L742-237(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,164 INFO L902 garLoopResultBuilder]: At program point L742-246(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,164 INFO L902 garLoopResultBuilder]: At program point L742-248(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,165 INFO L899 garLoopResultBuilder]: For program point L750(line 750) no Hoare annotation was computed. [2023-11-21 19:48:59,166 INFO L899 garLoopResultBuilder]: For program point L742-249(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,166 INFO L899 garLoopResultBuilder]: For program point L742-255(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,166 INFO L899 garLoopResultBuilder]: For program point L742-256(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,167 INFO L902 garLoopResultBuilder]: At program point L742-257(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,167 INFO L899 garLoopResultBuilder]: For program point L742-259(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,167 INFO L899 garLoopResultBuilder]: For program point L742-260(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,167 INFO L902 garLoopResultBuilder]: At program point L742-261(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,167 INFO L899 garLoopResultBuilder]: For program point L742-262(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,167 INFO L899 garLoopResultBuilder]: For program point L742-263(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,168 INFO L899 garLoopResultBuilder]: For program point L745-170(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,168 INFO L902 garLoopResultBuilder]: At program point L742-264(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,168 INFO L902 garLoopResultBuilder]: At program point L745-171(line 745) the Hoare annotation is: true [2023-11-21 19:48:59,168 INFO L899 garLoopResultBuilder]: For program point L742-265(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,168 INFO L899 garLoopResultBuilder]: For program point L745-172(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,169 INFO L902 garLoopResultBuilder]: At program point L742-266(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,169 INFO L899 garLoopResultBuilder]: For program point L745-173(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,169 INFO L899 garLoopResultBuilder]: For program point L742-267(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,169 INFO L902 garLoopResultBuilder]: At program point L745-174(line 745) the Hoare annotation is: true [2023-11-21 19:48:59,169 INFO L899 garLoopResultBuilder]: For program point L742-268(line 742) no Hoare annotation was computed. [2023-11-21 19:48:59,169 INFO L899 garLoopResultBuilder]: For program point L745-175(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,170 INFO L902 garLoopResultBuilder]: At program point L742-269(line 742) the Hoare annotation is: true [2023-11-21 19:48:59,173 INFO L902 garLoopResultBuilder]: At program point L745-176(line 745) the Hoare annotation is: true [2023-11-21 19:48:59,173 INFO L899 garLoopResultBuilder]: For program point L745-178(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,173 INFO L899 garLoopResultBuilder]: For program point L745-185(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,173 INFO L895 garLoopResultBuilder]: At program point L745-186(line 745) the Hoare annotation is: false [2023-11-21 19:48:59,173 INFO L899 garLoopResultBuilder]: For program point L745-187(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,174 INFO L899 garLoopResultBuilder]: For program point L745-188(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,174 INFO L899 garLoopResultBuilder]: For program point L745-190(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,174 INFO L895 garLoopResultBuilder]: At program point L745-191(line 745) the Hoare annotation is: false [2023-11-21 19:48:59,174 INFO L899 garLoopResultBuilder]: For program point L745-197(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,174 INFO L899 garLoopResultBuilder]: For program point L745-198(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,174 INFO L899 garLoopResultBuilder]: For program point L745-201(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,175 INFO L899 garLoopResultBuilder]: For program point L745-202(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,175 INFO L899 garLoopResultBuilder]: For program point L745-204(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,175 INFO L895 garLoopResultBuilder]: At program point L745-205(line 745) the Hoare annotation is: false [2023-11-21 19:48:59,175 INFO L895 garLoopResultBuilder]: At program point L745-207(line 745) the Hoare annotation is: false [2023-11-21 19:48:59,176 INFO L899 garLoopResultBuilder]: For program point L745-208(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,176 INFO L895 garLoopResultBuilder]: At program point L745-209(line 745) the Hoare annotation is: false [2023-11-21 19:48:59,176 INFO L899 garLoopResultBuilder]: For program point L745-211(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,177 INFO L899 garLoopResultBuilder]: For program point L745-213(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,177 INFO L895 garLoopResultBuilder]: At program point L745-214(line 745) the Hoare annotation is: false [2023-11-21 19:48:59,177 INFO L899 garLoopResultBuilder]: For program point L745-215(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,177 INFO L899 garLoopResultBuilder]: For program point L745-216(line 745) no Hoare annotation was computed. [2023-11-21 19:48:59,177 INFO L902 garLoopResultBuilder]: At program point L745-217(line 745) the Hoare annotation is: true [2023-11-21 19:48:59,177 INFO L899 garLoopResultBuilder]: For program point L745-218(lines 744 752) no Hoare annotation was computed. [2023-11-21 19:48:59,178 INFO L895 garLoopResultBuilder]: At program point L753-3(lines 753 755) the Hoare annotation is: false [2023-11-21 19:48:59,178 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 19:48:59,178 INFO L902 garLoopResultBuilder]: At program point L757-9(lines 757 760) the Hoare annotation is: true [2023-11-21 19:48:59,178 INFO L899 garLoopResultBuilder]: For program point L758-3(line 758) no Hoare annotation was computed. [2023-11-21 19:48:59,179 INFO L899 garLoopResultBuilder]: For program point L758-8(line 758) no Hoare annotation was computed. [2023-11-21 19:48:59,182 INFO L899 garLoopResultBuilder]: For program point L758-11(line 758) no Hoare annotation was computed. [2023-11-21 19:48:59,182 INFO L902 garLoopResultBuilder]: At program point L758-12(line 758) the Hoare annotation is: true [2023-11-21 19:48:59,182 INFO L899 garLoopResultBuilder]: For program point L758-13(line 758) no Hoare annotation was computed. [2023-11-21 19:48:59,182 INFO L899 garLoopResultBuilder]: For program point L758-22(line 758) no Hoare annotation was computed. [2023-11-21 19:48:59,183 INFO L902 garLoopResultBuilder]: At program point L758-23(line 758) the Hoare annotation is: true [2023-11-21 19:48:59,183 INFO L899 garLoopResultBuilder]: For program point L758-34(line 758) no Hoare annotation was computed. [2023-11-21 19:48:59,183 INFO L902 garLoopResultBuilder]: At program point L758-35(line 758) the Hoare annotation is: true [2023-11-21 19:48:59,183 INFO L899 garLoopResultBuilder]: For program point L758-36(line 758) no Hoare annotation was computed. [2023-11-21 19:48:59,183 INFO L899 garLoopResultBuilder]: For program point L758-37(line 758) no Hoare annotation was computed. [2023-11-21 19:48:59,183 INFO L899 garLoopResultBuilder]: For program point L758-38(line 758) no Hoare annotation was computed. [2023-11-21 19:48:59,184 INFO L902 garLoopResultBuilder]: At program point L758-39(line 758) the Hoare annotation is: true [2023-11-21 19:48:59,184 INFO L899 garLoopResultBuilder]: For program point L758-40(line 758) no Hoare annotation was computed. [2023-11-21 19:48:59,184 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-11-21 19:48:59,184 INFO L899 garLoopResultBuilder]: For program point L702(lines 702 704) no Hoare annotation was computed. [2023-11-21 19:48:59,184 INFO L899 garLoopResultBuilder]: For program point L702-2(lines 701 705) no Hoare annotation was computed. [2023-11-21 19:48:59,184 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 701 705) no Hoare annotation was computed. [2023-11-21 19:48:59,184 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 701 705) the Hoare annotation is: true [2023-11-21 19:48:59,185 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 703) no Hoare annotation was computed. [2023-11-21 19:48:59,189 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-21 19:48:59,192 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:48:59,210 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 19:48:59,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:48:59 BoogieIcfgContainer [2023-11-21 19:48:59,222 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:48:59,223 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:48:59,224 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:48:59,224 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:48:59,224 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:48:03" (3/4) ... [2023-11-21 19:48:59,227 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:48:59,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 19:48:59,231 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-21 19:48:59,270 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 252 nodes and edges [2023-11-21 19:48:59,274 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-21 19:48:59,277 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-21 19:48:59,280 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:48:59,582 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:48:59,583 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:48:59,583 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:48:59,584 INFO L158 Benchmark]: Toolchain (without parser) took 61564.57ms. Allocated memory was 123.7MB in the beginning and 241.2MB in the end (delta: 117.4MB). Free memory was 90.4MB in the beginning and 178.2MB in the end (delta: -87.9MB). Peak memory consumption was 155.4MB. Max. memory is 16.1GB. [2023-11-21 19:48:59,584 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 123.7MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:48:59,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1114.48ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 90.0MB in the beginning and 124.0MB in the end (delta: -34.0MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-21 19:48:59,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 181.74ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 115.0MB in the end (delta: 9.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-21 19:48:59,586 INFO L158 Benchmark]: Boogie Preprocessor took 197.48ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 105.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 19:48:59,587 INFO L158 Benchmark]: RCFGBuilder took 4064.52ms. Allocated memory was 157.3MB in the beginning and 241.2MB in the end (delta: 83.9MB). Free memory was 105.5MB in the beginning and 114.2MB in the end (delta: -8.7MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. [2023-11-21 19:48:59,587 INFO L158 Benchmark]: TraceAbstraction took 55630.62ms. Allocated memory is still 241.2MB. Free memory was 113.1MB in the beginning and 70.3MB in the end (delta: 42.8MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2023-11-21 19:48:59,588 INFO L158 Benchmark]: Witness Printer took 359.90ms. Allocated memory is still 241.2MB. Free memory was 70.3MB in the beginning and 178.2MB in the end (delta: -107.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 19:48:59,591 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 123.7MB. Free memory is still 70.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1114.48ms. Allocated memory was 123.7MB in the beginning and 157.3MB in the end (delta: 33.6MB). Free memory was 90.0MB in the beginning and 124.0MB in the end (delta: -34.0MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 181.74ms. Allocated memory is still 157.3MB. Free memory was 123.9MB in the beginning and 115.0MB in the end (delta: 9.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 197.48ms. Allocated memory is still 157.3MB. Free memory was 115.0MB in the beginning and 105.5MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4064.52ms. Allocated memory was 157.3MB in the beginning and 241.2MB in the end (delta: 83.9MB). Free memory was 105.5MB in the beginning and 114.2MB in the end (delta: -8.7MB). Peak memory consumption was 88.9MB. Max. memory is 16.1GB. * TraceAbstraction took 55630.62ms. Allocated memory is still 241.2MB. Free memory was 113.1MB in the beginning and 70.3MB in the end (delta: 42.8MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * Witness Printer took 359.90ms. Allocated memory is still 241.2MB. Free memory was 70.3MB in the beginning and 178.2MB in the end (delta: -107.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] 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: 750]: 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: 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, 146 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 55.5s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 52.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 52.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 666 SdHoareTripleChecker+Invalid, 52.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 309 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 207 IncrementalHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 357 mSDtfsCounter, 207 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=146occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 51 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 92 PreInvPairs, 134 NumberOfFragments, 75 HoareAnnotationTreeSize, 92 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 SizeOfPredicates, 3 NumberOfNonLiveVariables, 881 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 7/7 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: 742]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 735]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 742]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 758]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-21 19:48:59,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efadbba3-43ed-4605-b8d5-51b813871e8a/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