./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/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_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/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_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/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 3cf10b967a6b35e74e5635ad2528d1917037f5847cda0e92ca33349ed0f01758 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:50:21,971 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:50:22,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-21 19:50:22,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:50:22,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:50:22,161 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:50:22,162 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:50:22,163 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:50:22,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:50:22,169 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:50:22,169 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:50:22,170 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:50:22,170 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:50:22,172 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:50:22,173 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:50:22,173 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:50:22,174 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:50:22,174 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:50:22,176 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:50:22,176 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:50:22,177 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:50:22,177 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:50:22,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:50:22,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:50:22,180 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 19:50:22,180 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:50:22,180 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 19:50:22,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:50:22,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:50:22,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:50:22,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:50:22,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 19:50:22,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:50:22,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:50:22,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:50:22,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:50:22,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:50:22,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:50:22,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:50:22,186 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:50:22,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:50:22,186 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:50:22,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:50:22,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:50:22,187 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:50:22,188 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:50:22,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:50:22,188 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_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf10b967a6b35e74e5635ad2528d1917037f5847cda0e92ca33349ed0f01758 [2023-11-21 19:50:22,527 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:50:22,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:50:22,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:50:22,566 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:50:22,567 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:50:22,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-1.i [2023-11-21 19:50:25,695 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:50:26,037 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:50:26,038 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-1.i [2023-11-21 19:50:26,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/data/0c74de1a6/6524e30fc1444d1792db6dd40e9678b9/FLAG7bb1589e0 [2023-11-21 19:50:26,083 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/data/0c74de1a6/6524e30fc1444d1792db6dd40e9678b9 [2023-11-21 19:50:26,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:50:26,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:50:26,087 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:50:26,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:50:26,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:50:26,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:26,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@286b4e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26, skipping insertion in model container [2023-11-21 19:50:26,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:26,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:50:26,457 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:50:26,620 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_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-1.i[37426,37439] [2023-11-21 19:50:26,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:50:26,751 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:50:26,771 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 19:50:26,789 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_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/sv-benchmarks/c/uthash-2.0.2/uthash_BER_nondet_test2-1.i[37426,37439] [2023-11-21 19:50:26,861 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:50:26,982 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:50:26,984 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 19:50:26,991 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:50:26,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26 WrapperNode [2023-11-21 19:50:26,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:50:26,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:50:26,994 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:50:26,994 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:50:27,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,053 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,137 INFO L138 Inliner]: procedures = 208, calls = 230, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1184 [2023-11-21 19:50:27,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:50:27,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:50:27,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:50:27,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:50:27,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:50:27,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:50:27,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:50:27,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:50:27,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (1/1) ... [2023-11-21 19:50:27,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:50:27,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:50:27,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:50:27,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:50:27,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 19:50:27,335 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 19:50:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 19:50:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-21 19:50:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 19:50:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 19:50:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 19:50:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 19:50:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 19:50:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:50:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 19:50:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:50:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:50:27,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:50:27,594 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:50:27,597 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:50:29,139 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:50:30,928 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:50:30,928 INFO L308 CfgBuilder]: Removed 54 assume(true) statements. [2023-11-21 19:50:30,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:50:30 BoogieIcfgContainer [2023-11-21 19:50:30,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:50:30,933 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:50:30,933 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:50:30,937 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:50:30,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:50:26" (1/3) ... [2023-11-21 19:50:30,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65262f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:50:30, skipping insertion in model container [2023-11-21 19:50:30,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:50:26" (2/3) ... [2023-11-21 19:50:30,939 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65262f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:50:30, skipping insertion in model container [2023-11-21 19:50:30,939 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:50:30" (3/3) ... [2023-11-21 19:50:30,940 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_nondet_test2-1.i [2023-11-21 19:50:30,963 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:50:30,963 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:50:31,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:50:31,027 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;@2e24e345, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:50:31,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:50:31,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 96 states have (on average 1.7395833333333333) internal successors, (167), 97 states have internal predecessors, (167), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 19:50:31,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 19:50:31,042 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:50:31,043 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:50:31,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:50:31,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:50:31,049 INFO L85 PathProgramCache]: Analyzing trace with hash 252346162, now seen corresponding path program 1 times [2023-11-21 19:50:31,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:50:31,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106981004] [2023-11-21 19:50:31,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:50:31,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:50:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:50:31,258 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 19:50:31,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:50:31,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106981004] [2023-11-21 19:50:31,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106981004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:50:31,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:50:31,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 19:50:31,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510975045] [2023-11-21 19:50:31,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:50:31,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-21 19:50:31,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:50:31,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 19:50:31,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 19:50:31,306 INFO L87 Difference]: Start difference. First operand has 102 states, 96 states have (on average 1.7395833333333333) internal successors, (167), 97 states have internal predecessors, (167), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 19:50:32,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:50:34,387 WARN L539 Checker$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 19:50:36,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:50:38,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 19:50:38,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:50:38,679 INFO L93 Difference]: Finished difference Result 200 states and 340 transitions. [2023-11-21 19:50:38,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 19:50:38,684 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 10 [2023-11-21 19:50:38,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:50:38,694 INFO L225 Difference]: With dead ends: 200 [2023-11-21 19:50:38,695 INFO L226 Difference]: Without dead ends: 96 [2023-11-21 19:50:38,699 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 19:50:38,703 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-21 19:50:38,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 96 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2023-11-21 19:50:38,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2023-11-21 19:50:38,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2023-11-21 19:50:38,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 91 states have (on average 1.1538461538461537) internal successors, (105), 91 states have internal predecessors, (105), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 19:50:38,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 111 transitions. [2023-11-21 19:50:38,762 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 111 transitions. Word has length 10 [2023-11-21 19:50:38,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:50:38,763 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 111 transitions. [2023-11-21 19:50:38,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 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 19:50:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 111 transitions. [2023-11-21 19:50:38,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 19:50:38,766 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:50:38,766 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 19:50:38,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:50:38,767 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:50:38,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:50:38,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1692329433, now seen corresponding path program 1 times [2023-11-21 19:50:38,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:50:38,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594165755] [2023-11-21 19:50:38,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:50:38,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:50:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 19:50:40,269 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 19:50:40,269 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-21 19:50:40,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594165755] [2023-11-21 19:50:40,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594165755] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 19:50:40,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 19:50:40,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-21 19:50:40,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151826188] [2023-11-21 19:50:40,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 19:50:40,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-21 19:50:40,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-21 19:50:40,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 19:50:40,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-11-21 19:50:40,275 INFO L87 Difference]: Start difference. First operand 96 states and 111 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 19:50:42,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:50:44,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:50:46,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:50:48,391 WARN L539 Checker$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 19:50:50,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:50:52,410 WARN L539 Checker$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 19:50:54,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:50:56,427 WARN L539 Checker$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 19:50:58,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:51:00,448 WARN L539 Checker$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 19:51:02,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:51:04,497 WARN L539 Checker$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 19:51:06,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:51:08,523 WARN L539 Checker$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 19:51:10,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:51:12,536 WARN L539 Checker$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 19:51:14,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:51:16,647 WARN L539 Checker$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 19:51:18,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:51:20,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 19:51:24,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 19:51:26,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 19:51:26,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 19:51:26,666 INFO L93 Difference]: Finished difference Result 257 states and 299 transitions. [2023-11-21 19:51:26,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 19:51:26,667 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 24 [2023-11-21 19:51:26,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 19:51:26,667 INFO L225 Difference]: With dead ends: 257 [2023-11-21 19:51:26,667 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 19:51:26,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2023-11-21 19:51:26,672 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 200 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 15 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time [2023-11-21 19:51:26,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 329 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 135 Invalid, 16 Unknown, 0 Unchecked, 46.2s Time] [2023-11-21 19:51:26,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 19:51:26,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 19:51:26,674 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 19:51:26,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 19:51:26,675 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-21 19:51:26,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 19:51:26,675 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 19:51:26,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 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 19:51:26,676 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 19:51:26,676 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 19:51:26,679 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:51:26,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 19:51:26,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 19:51:27,025 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:51:27,026 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 19:51:27,026 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 19:51:27,026 INFO L899 garLoopResultBuilder]: For program point L826-68(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,026 INFO L902 garLoopResultBuilder]: At program point L826-69(line 826) the Hoare annotation is: true [2023-11-21 19:51:27,026 INFO L899 garLoopResultBuilder]: For program point L826-70(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,027 INFO L895 garLoopResultBuilder]: At program point L826-71(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,027 INFO L899 garLoopResultBuilder]: For program point L823-170(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,027 INFO L895 garLoopResultBuilder]: At program point L823-171(line 823) 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 19:51:27,027 INFO L899 garLoopResultBuilder]: For program point L823-172(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,029 INFO L899 garLoopResultBuilder]: For program point L823-173(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,030 INFO L895 garLoopResultBuilder]: At program point L823-174(line 823) 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 19:51:27,030 INFO L899 garLoopResultBuilder]: For program point L823-175(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,030 INFO L895 garLoopResultBuilder]: At program point L823-176(line 823) 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 19:51:27,031 INFO L899 garLoopResultBuilder]: For program point L823-178(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,031 INFO L899 garLoopResultBuilder]: For program point L823-180(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,032 INFO L895 garLoopResultBuilder]: At program point L823-182(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,032 INFO L899 garLoopResultBuilder]: For program point L823-183(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,032 INFO L899 garLoopResultBuilder]: For program point L823-184(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,033 INFO L895 garLoopResultBuilder]: At program point L823-186(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,034 INFO L899 garLoopResultBuilder]: For program point L823-187(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,035 INFO L899 garLoopResultBuilder]: For program point L823-188(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,036 INFO L895 garLoopResultBuilder]: At program point L823-189(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,036 INFO L899 garLoopResultBuilder]: For program point L823-190(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,036 INFO L899 garLoopResultBuilder]: For program point L823-193(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,038 INFO L895 garLoopResultBuilder]: At program point L823-194(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,039 INFO L899 garLoopResultBuilder]: For program point L823-202(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,039 INFO L895 garLoopResultBuilder]: At program point L823-203(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,039 INFO L899 garLoopResultBuilder]: For program point L823-210(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,040 INFO L899 garLoopResultBuilder]: For program point L823-212(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,040 INFO L895 garLoopResultBuilder]: At program point L823-214(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,042 INFO L899 garLoopResultBuilder]: For program point L823-215(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,043 INFO L899 garLoopResultBuilder]: For program point L823-225(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,043 INFO L899 garLoopResultBuilder]: For program point L823-235(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,044 INFO L895 garLoopResultBuilder]: At program point L823-236(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,044 INFO L899 garLoopResultBuilder]: For program point L823-237(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,044 INFO L895 garLoopResultBuilder]: At program point L823-246(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,045 INFO L895 garLoopResultBuilder]: At program point L823-248(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,046 INFO L899 garLoopResultBuilder]: For program point L823-249(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,047 INFO L899 garLoopResultBuilder]: For program point L823-255(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,047 INFO L899 garLoopResultBuilder]: For program point L823-256(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,047 INFO L895 garLoopResultBuilder]: At program point L823-257(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,047 INFO L899 garLoopResultBuilder]: For program point L823-259(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,048 INFO L899 garLoopResultBuilder]: For program point L823-260(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,048 INFO L895 garLoopResultBuilder]: At program point L823-261(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,048 INFO L899 garLoopResultBuilder]: For program point L823-262(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,049 INFO L899 garLoopResultBuilder]: For program point L823-263(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,049 INFO L899 garLoopResultBuilder]: For program point L826-170(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,051 INFO L895 garLoopResultBuilder]: At program point L823-264(line 823) the Hoare annotation is: (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1)) [2023-11-21 19:51:27,052 INFO L895 garLoopResultBuilder]: At program point L826-171(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,052 INFO L899 garLoopResultBuilder]: For program point L823-265(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,052 INFO L899 garLoopResultBuilder]: For program point L826-172(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,052 INFO L895 garLoopResultBuilder]: At program point L823-266(line 823) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (<= 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296)))) [2023-11-21 19:51:27,053 INFO L899 garLoopResultBuilder]: For program point L826-173(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,054 INFO L899 garLoopResultBuilder]: For program point L823-267(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,057 INFO L895 garLoopResultBuilder]: At program point L826-174(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,057 INFO L899 garLoopResultBuilder]: For program point L823-268(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,057 INFO L899 garLoopResultBuilder]: For program point L826-175(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,057 INFO L895 garLoopResultBuilder]: At program point L823-269(line 823) 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 19:51:27,058 INFO L895 garLoopResultBuilder]: At program point L826-176(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,058 INFO L899 garLoopResultBuilder]: For program point L826-178(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,058 INFO L899 garLoopResultBuilder]: For program point L826-185(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,058 INFO L895 garLoopResultBuilder]: At program point L826-186(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,058 INFO L899 garLoopResultBuilder]: For program point L826-187(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,060 INFO L899 garLoopResultBuilder]: For program point L826-188(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,060 INFO L899 garLoopResultBuilder]: For program point L826-190(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,060 INFO L895 garLoopResultBuilder]: At program point L826-191(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,060 INFO L899 garLoopResultBuilder]: For program point L826-197(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,061 INFO L899 garLoopResultBuilder]: For program point L826-198(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,061 INFO L899 garLoopResultBuilder]: For program point L826-201(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,061 INFO L899 garLoopResultBuilder]: For program point L826-202(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,061 INFO L899 garLoopResultBuilder]: For program point L826-204(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,061 INFO L895 garLoopResultBuilder]: At program point L826-205(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,062 INFO L895 garLoopResultBuilder]: At program point L826-207(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,062 INFO L899 garLoopResultBuilder]: For program point L826-208(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,062 INFO L895 garLoopResultBuilder]: At program point L826-209(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,062 INFO L899 garLoopResultBuilder]: For program point L826-211(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,062 INFO L899 garLoopResultBuilder]: For program point L826-213(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,063 INFO L895 garLoopResultBuilder]: At program point L826-214(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,063 INFO L899 garLoopResultBuilder]: For program point L826-215(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,063 INFO L899 garLoopResultBuilder]: For program point L826-216(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,063 INFO L895 garLoopResultBuilder]: At program point L826-217(line 826) the Hoare annotation is: false [2023-11-21 19:51:27,063 INFO L899 garLoopResultBuilder]: For program point L826-218(line 826) no Hoare annotation was computed. [2023-11-21 19:51:27,064 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 810 830) no Hoare annotation was computed. [2023-11-21 19:51:27,064 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 19:51:27,064 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 802) no Hoare annotation was computed. [2023-11-21 19:51:27,064 INFO L899 garLoopResultBuilder]: For program point L800(lines 800 804) no Hoare annotation was computed. [2023-11-21 19:51:27,064 INFO L899 garLoopResultBuilder]: For program point L801(lines 801 803) no Hoare annotation was computed. [2023-11-21 19:51:27,065 INFO L899 garLoopResultBuilder]: For program point L802(line 802) no Hoare annotation was computed. [2023-11-21 19:51:27,065 INFO L899 garLoopResultBuilder]: For program point L815(line 815) no Hoare annotation was computed. [2023-11-21 19:51:27,065 INFO L899 garLoopResultBuilder]: For program point L816-1(lines 816 824) no Hoare annotation was computed. [2023-11-21 19:51:27,065 INFO L899 garLoopResultBuilder]: For program point L816-3(lines 816 824) no Hoare annotation was computed. [2023-11-21 19:51:27,065 INFO L895 garLoopResultBuilder]: At program point L816-4(lines 816 824) the Hoare annotation is: (or (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (< 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296) 1))) [2023-11-21 19:51:27,066 INFO L899 garLoopResultBuilder]: For program point L816-5(lines 816 824) no Hoare annotation was computed. [2023-11-21 19:51:27,066 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 19:51:27,066 INFO L899 garLoopResultBuilder]: For program point L825-1(lines 825 828) no Hoare annotation was computed. [2023-11-21 19:51:27,066 INFO L895 garLoopResultBuilder]: At program point L825-4(lines 825 828) the Hoare annotation is: (and (= (select (select |#memory_int| |ULTIMATE.start_main_~#i~0#1.base|) |ULTIMATE.start_main_~#i~0#1.offset|) 0) (<= 0 (+ (div (* (- 1) |ULTIMATE.start_main_~bound~0#1|) 4294967296) (div |ULTIMATE.start_main_~bound~0#1| 4294967296)))) [2023-11-21 19:51:27,066 INFO L899 garLoopResultBuilder]: For program point L825-5(lines 825 828) no Hoare annotation was computed. [2023-11-21 19:51:27,067 INFO L899 garLoopResultBuilder]: For program point L823-68(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,067 INFO L895 garLoopResultBuilder]: At program point L823-69(line 823) 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 19:51:27,067 INFO L899 garLoopResultBuilder]: For program point L823-70(line 823) no Hoare annotation was computed. [2023-11-21 19:51:27,067 INFO L895 garLoopResultBuilder]: At program point L823-71(line 823) 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 19:51:27,073 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-21 19:51:27,076 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:51:27,093 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 19:51:27,106 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 19:51:27,107 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 19:51:27,110 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 19:51:27,114 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 19:51:27,114 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 19:51:27,115 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 19:51:27,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 19:51:27,116 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated [2023-11-21 19:51:27,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:51:27 BoogieIcfgContainer [2023-11-21 19:51:27,118 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:51:27,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:51:27,123 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:51:27,124 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:51:27,125 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:50:30" (3/4) ... [2023-11-21 19:51:27,127 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 19:51:27,131 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 19:51:27,168 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 221 nodes and edges [2023-11-21 19:51:27,201 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-21 19:51:27,204 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-21 19:51:27,206 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 19:51:27,424 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:51:27,425 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/bin/utaipan-verify-QoSU8krkJ5/witness.yml [2023-11-21 19:51:27,425 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:51:27,426 INFO L158 Benchmark]: Toolchain (without parser) took 61339.68ms. Allocated memory was 161.5MB in the beginning and 251.7MB in the end (delta: 90.2MB). Free memory was 114.0MB in the beginning and 185.3MB in the end (delta: -71.3MB). Peak memory consumption was 144.7MB. Max. memory is 16.1GB. [2023-11-21 19:51:27,426 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 84.4MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:51:27,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 905.52ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 124.2MB in the end (delta: -10.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2023-11-21 19:51:27,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 144.05ms. Allocated memory is still 161.5MB. Free memory was 124.2MB in the beginning and 116.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 19:51:27,427 INFO L158 Benchmark]: Boogie Preprocessor took 100.96ms. Allocated memory is still 161.5MB. Free memory was 116.8MB in the beginning and 109.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 19:51:27,428 INFO L158 Benchmark]: RCFGBuilder took 3690.77ms. Allocated memory was 161.5MB in the beginning and 251.7MB in the end (delta: 90.2MB). Free memory was 109.5MB in the beginning and 195.6MB in the end (delta: -86.1MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2023-11-21 19:51:27,429 INFO L158 Benchmark]: TraceAbstraction took 56185.21ms. Allocated memory is still 251.7MB. Free memory was 194.5MB in the beginning and 69.3MB in the end (delta: 125.2MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. [2023-11-21 19:51:27,430 INFO L158 Benchmark]: Witness Printer took 306.04ms. Allocated memory is still 251.7MB. Free memory was 69.3MB in the beginning and 185.3MB in the end (delta: -116.0MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2023-11-21 19:51:27,433 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory was 84.4MB in the beginning and 84.4MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 905.52ms. Allocated memory is still 161.5MB. Free memory was 114.0MB in the beginning and 124.2MB in the end (delta: -10.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 144.05ms. Allocated memory is still 161.5MB. Free memory was 124.2MB in the beginning and 116.8MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.96ms. Allocated memory is still 161.5MB. Free memory was 116.8MB in the beginning and 109.5MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3690.77ms. Allocated memory was 161.5MB in the beginning and 251.7MB in the end (delta: 90.2MB). Free memory was 109.5MB in the beginning and 195.6MB in the end (delta: -86.1MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. * TraceAbstraction took 56185.21ms. Allocated memory is still 251.7MB. Free memory was 194.5MB in the beginning and 69.3MB in the end (delta: 125.2MB). Peak memory consumption was 125.2MB. Max. memory is 16.1GB. * Witness Printer took 306.04ms. Allocated memory is still 251.7MB. Free memory was 69.3MB in the beginning and 185.3MB in the end (delta: -116.0MB). Peak memory consumption was 7.8MB. 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 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~#i~0!base][~#i~0!offset] could not be translated - 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: 802]: 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 2 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 56.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 53.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 18 mSolverCounterUnknown, 206 SdHoareTripleChecker+Valid, 53.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 200 mSDsluCounter, 425 SdHoareTripleChecker+Invalid, 53.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 213 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 212 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=102occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 35 LocationsWithAnnotation, 63 PreInvPairs, 121 NumberOfFragments, 258 HoareAnnotationTreeSize, 63 FomulaSimplifications, 101 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 35 FomulaSimplificationsInter, 396 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (0 <= (((-1 * bound) / 4294967296) + (bound / 4294967296))) - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (0 < ((((-1 * bound) / 4294967296) + (bound / 4294967296)) + 1)) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (0 < ((((-1 * bound) / 4294967296) + (bound / 4294967296)) + 1)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 825]: Loop Invariant Derived loop invariant: (0 <= (((-1 * bound) / 4294967296) + (bound / 4294967296))) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (0 < ((((-1 * bound) / 4294967296) + (bound / 4294967296)) + 1)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (0 < ((((-1 * bound) / 4294967296) + (bound / 4294967296)) + 1)) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (0 < ((((-1 * bound) / 4294967296) + (bound / 4294967296)) + 1)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (0 < ((((-1 * bound) / 4294967296) + (bound / 4294967296)) + 1)) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (0 < ((((-1 * bound) / 4294967296) + (bound / 4294967296)) + 1)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (0 < ((((-1 * bound) / 4294967296) + (bound / 4294967296)) + 1)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: (0 < ((((-1 * bound) / 4294967296) + (bound / 4294967296)) + 1)) RESULT: Ultimate proved your program to be correct! [2023-11-21 19:51:27,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eb854fc3-b8a3-45c4-845b-9f2ba1692bf9/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