./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0739bef7461b62f52995e3feabe5faf9fb4f95fee3f2cf661c4248d2611e75f6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:04:20,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:04:20,110 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:04:20,115 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:04:20,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:04:20,137 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:04:20,138 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:04:20,139 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:04:20,140 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:04:20,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:04:20,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:04:20,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:04:20,143 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:04:20,144 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:04:20,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:04:20,145 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:04:20,146 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:04:20,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:04:20,147 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:04:20,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:04:20,149 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:04:20,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:04:20,155 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:04:20,156 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:04:20,157 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:04:20,157 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:04:20,158 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:04:20,159 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:04:20,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:04:20,160 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:04:20,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:20,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:04:20,166 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:04:20,167 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:04:20,168 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:04:20,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:04:20,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:04:20,169 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:04:20,170 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:04:20,170 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:04:20,171 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:04:20,172 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0739bef7461b62f52995e3feabe5faf9fb4f95fee3f2cf661c4248d2611e75f6 [2023-11-12 02:04:20,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:04:20,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:04:20,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:04:20,541 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:04:20,542 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:04:20,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2023-11-12 02:04:23,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:04:24,069 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:04:24,070 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/sv-benchmarks/c/ldv-memsafety/memleaks_test22_4.i [2023-11-12 02:04:24,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/data/8df699a7c/c4c45dc671184c04a23a39427846d8fe/FLAG6a8fbfa81 [2023-11-12 02:04:24,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/data/8df699a7c/c4c45dc671184c04a23a39427846d8fe [2023-11-12 02:04:24,119 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:04:24,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:04:24,123 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:24,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:04:24,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:04:24,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:24,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15661500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24, skipping insertion in model container [2023-11-12 02:04:24,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:24,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:04:24,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:24,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:04:24,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:04:24,877 WARN L672 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:04:24,886 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:04:24,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24 WrapperNode [2023-11-12 02:04:24,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:04:24,889 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:24,889 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:04:24,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:04:24,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:24,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:24,981 INFO L138 Inliner]: procedures = 166, calls = 72, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 124 [2023-11-12 02:04:24,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:04:24,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:04:24,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:04:24,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:04:24,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:24,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:24,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:24,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:25,008 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:25,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:25,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:25,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:25,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:04:25,023 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:04:25,023 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:04:25,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:04:25,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (1/1) ... [2023-11-12 02:04:25,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:04:25,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:25,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:04:25,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:04:25,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:04:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2023-11-12 02:04:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2023-11-12 02:04:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 02:04:25,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 02:04:25,159 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2023-11-12 02:04:25,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2023-11-12 02:04:25,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:04:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:04:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:04:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:04:25,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:04:25,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:04:25,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:04:25,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:04:25,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:04:25,334 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:04:25,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:04:25,651 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:04:25,658 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:04:25,659 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:04:25,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:25 BoogieIcfgContainer [2023-11-12 02:04:25,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:04:25,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:04:25,664 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:04:25,668 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:04:25,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:24" (1/3) ... [2023-11-12 02:04:25,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d5cb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:25, skipping insertion in model container [2023-11-12 02:04:25,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:24" (2/3) ... [2023-11-12 02:04:25,670 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d5cb99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:25, skipping insertion in model container [2023-11-12 02:04:25,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:25" (3/3) ... [2023-11-12 02:04:25,672 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_4.i [2023-11-12 02:04:25,694 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:04:25,695 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-12 02:04:25,752 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:04:25,759 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=PETRI_NET, 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;@65a16c5c, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:04:25,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-12 02:04:25,764 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-12 02:04:25,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 02:04:25,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:25,774 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:25,775 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:25,789 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:25,790 INFO L85 PathProgramCache]: Analyzing trace with hash -343294405, now seen corresponding path program 1 times [2023-11-12 02:04:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:25,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163322520] [2023-11-12 02:04:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:25,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:26,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:26,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:26,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163322520] [2023-11-12 02:04:26,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163322520] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:26,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:26,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:04:26,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088560529] [2023-11-12 02:04:26,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:26,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:04:26,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:26,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:04:26,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:04:26,325 INFO L87 Difference]: Start difference. First operand has 52 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 46 states have internal predecessors, (54), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:26,529 INFO L93 Difference]: Finished difference Result 101 states and 117 transitions. [2023-11-12 02:04:26,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:04:26,532 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-12 02:04:26,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:26,541 INFO L225 Difference]: With dead ends: 101 [2023-11-12 02:04:26,541 INFO L226 Difference]: Without dead ends: 51 [2023-11-12 02:04:26,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:04:26,549 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 28 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:26,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 185 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:04:26,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-12 02:04:26,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 42. [2023-11-12 02:04:26,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 32 states have (on average 1.28125) internal successors, (41), 36 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 02:04:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2023-11-12 02:04:26,596 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 12 [2023-11-12 02:04:26,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:26,596 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2023-11-12 02:04:26,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2023-11-12 02:04:26,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 02:04:26,598 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:26,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:26,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:04:26,599 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:26,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:26,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1399515930, now seen corresponding path program 1 times [2023-11-12 02:04:26,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:26,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823123466] [2023-11-12 02:04:26,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:26,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:26,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:26,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823123466] [2023-11-12 02:04:26,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823123466] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:26,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:26,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:04:26,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616399905] [2023-11-12 02:04:26,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:26,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:04:26,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:26,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:04:26,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:04:26,899 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:26,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:26,984 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2023-11-12 02:04:26,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:04:26,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-11-12 02:04:26,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:26,986 INFO L225 Difference]: With dead ends: 66 [2023-11-12 02:04:26,986 INFO L226 Difference]: Without dead ends: 50 [2023-11-12 02:04:26,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:04:26,989 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 18 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:26,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 121 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:04:26,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-12 02:04:26,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 44. [2023-11-12 02:04:26,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.2647058823529411) internal successors, (43), 38 states have internal predecessors, (43), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 02:04:26,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2023-11-12 02:04:26,999 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 12 [2023-11-12 02:04:26,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:26,999 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2023-11-12 02:04:27,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:27,000 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2023-11-12 02:04:27,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 02:04:27,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:27,001 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:27,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:04:27,002 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:27,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:27,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1822469784, now seen corresponding path program 1 times [2023-11-12 02:04:27,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:27,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923385874] [2023-11-12 02:04:27,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:27,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:27,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:27,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:27,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:27,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923385874] [2023-11-12 02:04:27,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923385874] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:27,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:27,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:04:27,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952281920] [2023-11-12 02:04:27,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:27,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:04:27,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:27,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:04:27,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:04:27,161 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 7 states, 7 states have (on average 2.0) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:27,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:27,327 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2023-11-12 02:04:27,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:04:27,329 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-12 02:04:27,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:27,330 INFO L225 Difference]: With dead ends: 72 [2023-11-12 02:04:27,330 INFO L226 Difference]: Without dead ends: 53 [2023-11-12 02:04:27,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:04:27,333 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 23 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:27,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 179 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:04:27,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-12 02:04:27,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2023-11-12 02:04:27,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 41 states have internal predecessors, (47), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 02:04:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2023-11-12 02:04:27,349 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 16 [2023-11-12 02:04:27,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:27,349 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2023-11-12 02:04:27,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.0) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2023-11-12 02:04:27,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-12 02:04:27,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:27,351 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:27,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:04:27,353 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:27,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:27,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1693387065, now seen corresponding path program 1 times [2023-11-12 02:04:27,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:27,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679162703] [2023-11-12 02:04:27,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:27,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:27,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:27,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:27,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:27,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679162703] [2023-11-12 02:04:27,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679162703] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:27,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:27,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:04:27,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490235700] [2023-11-12 02:04:27,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:27,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:04:27,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:27,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:04:27,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:04:27,600 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:27,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:27,697 INFO L93 Difference]: Finished difference Result 73 states and 80 transitions. [2023-11-12 02:04:27,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:04:27,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2023-11-12 02:04:27,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:27,700 INFO L225 Difference]: With dead ends: 73 [2023-11-12 02:04:27,700 INFO L226 Difference]: Without dead ends: 44 [2023-11-12 02:04:27,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:04:27,710 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 11 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:27,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 151 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:04:27,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-12 02:04:27,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-12 02:04:27,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.2058823529411764) internal successors, (41), 38 states have internal predecessors, (41), 3 states have call successors, (3), 3 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-12 02:04:27,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2023-11-12 02:04:27,723 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 16 [2023-11-12 02:04:27,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:27,724 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2023-11-12 02:04:27,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2023-11-12 02:04:27,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 02:04:27,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:27,725 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:27,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:04:27,726 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:27,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:27,726 INFO L85 PathProgramCache]: Analyzing trace with hash 308286168, now seen corresponding path program 1 times [2023-11-12 02:04:27,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:27,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163973389] [2023-11-12 02:04:27,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:27,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:27,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:27,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:27,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:27,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163973389] [2023-11-12 02:04:27,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163973389] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:27,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:27,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:04:27,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260448262] [2023-11-12 02:04:27,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:27,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:04:27,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:27,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:04:27,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:04:27,896 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:28,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:28,012 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2023-11-12 02:04:28,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-12 02:04:28,013 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-11-12 02:04:28,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:28,013 INFO L225 Difference]: With dead ends: 54 [2023-11-12 02:04:28,014 INFO L226 Difference]: Without dead ends: 38 [2023-11-12 02:04:28,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:04:28,015 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 17 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:28,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 192 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:04:28,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-12 02:04:28,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-12 02:04:28,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.206896551724138) internal successors, (35), 33 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:28,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2023-11-12 02:04:28,021 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 18 [2023-11-12 02:04:28,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:28,021 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2023-11-12 02:04:28,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:28,022 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2023-11-12 02:04:28,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 02:04:28,022 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:28,023 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:28,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:04:28,023 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:28,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:28,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1857826031, now seen corresponding path program 1 times [2023-11-12 02:04:28,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:28,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741924689] [2023-11-12 02:04:28,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:28,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:28,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:28,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:28,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:28,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:28,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741924689] [2023-11-12 02:04:28,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741924689] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:28,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:28,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:04:28,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444556955] [2023-11-12 02:04:28,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:28,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 02:04:28,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:28,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 02:04:28,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-12 02:04:28,176 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:28,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:28,288 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2023-11-12 02:04:28,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:04:28,289 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-11-12 02:04:28,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:28,291 INFO L225 Difference]: With dead ends: 58 [2023-11-12 02:04:28,291 INFO L226 Difference]: Without dead ends: 38 [2023-11-12 02:04:28,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:04:28,293 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 21 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:28,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 150 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:04:28,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-12 02:04:28,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2023-11-12 02:04:28,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 32 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:28,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2023-11-12 02:04:28,312 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 18 [2023-11-12 02:04:28,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:28,312 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2023-11-12 02:04:28,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:04:28,313 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2023-11-12 02:04:28,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 02:04:28,314 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:28,314 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] [2023-11-12 02:04:28,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:04:28,314 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:28,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:28,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1601348128, now seen corresponding path program 1 times [2023-11-12 02:04:28,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:28,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469652521] [2023-11-12 02:04:28,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:28,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-12 02:04:28,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:28,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:28,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469652521] [2023-11-12 02:04:28,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469652521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:28,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:28,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:04:28,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444887840] [2023-11-12 02:04:28,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:28,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:04:28,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:28,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:04:28,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:04:28,565 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:28,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:28,653 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2023-11-12 02:04:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:04:28,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2023-11-12 02:04:28,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:28,655 INFO L225 Difference]: With dead ends: 67 [2023-11-12 02:04:28,655 INFO L226 Difference]: Without dead ends: 39 [2023-11-12 02:04:28,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:04:28,657 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 16 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:28,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 92 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:04:28,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-12 02:04:28,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-12 02:04:28,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 33 states have internal predecessors, (35), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:28,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2023-11-12 02:04:28,674 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 23 [2023-11-12 02:04:28,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:28,675 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2023-11-12 02:04:28,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2023-11-12 02:04:28,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 02:04:28,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:28,676 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] [2023-11-12 02:04:28,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:04:28,677 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:28,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:28,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1587991763, now seen corresponding path program 1 times [2023-11-12 02:04:28,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:28,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029294998] [2023-11-12 02:04:28,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:28,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:28,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:28,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:04:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:28,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:28,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:28,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029294998] [2023-11-12 02:04:28,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029294998] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:04:28,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906664087] [2023-11-12 02:04:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:28,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:28,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:28,965 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:28,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 02:04:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:29,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 90 conjunts are in the unsatisfiable core [2023-11-12 02:04:29,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:29,314 INFO L351 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 [2023-11-12 02:04:29,427 WARN L876 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset (select .cse0 LDV_INIT_LIST_HEAD_~list.offset)) .cse1 (select .cse0 .cse1))))) (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2023-11-12 02:04:29,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:04:29,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:04:29,484 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-11-12 02:04:29,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:04:29,654 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:04:29,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906664087] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:29,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:04:29,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 18 [2023-11-12 02:04:29,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55447792] [2023-11-12 02:04:29,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:29,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-12 02:04:29,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:29,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-12 02:04:29,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=234, Unknown=1, NotChecked=30, Total=306 [2023-11-12 02:04:29,658 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:29,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:29,950 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2023-11-12 02:04:29,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-12 02:04:29,951 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2023-11-12 02:04:29,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:29,952 INFO L225 Difference]: With dead ends: 43 [2023-11-12 02:04:29,952 INFO L226 Difference]: Without dead ends: 42 [2023-11-12 02:04:29,953 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=436, Unknown=1, NotChecked=42, Total=552 [2023-11-12 02:04:29,953 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 27 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 61 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:29,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 156 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 191 Invalid, 0 Unknown, 61 Unchecked, 0.2s Time] [2023-11-12 02:04:29,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-12 02:04:29,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2023-11-12 02:04:29,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.1333333333333333) internal successors, (34), 32 states have internal predecessors, (34), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 39 transitions. [2023-11-12 02:04:29,959 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 39 transitions. Word has length 24 [2023-11-12 02:04:29,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:29,959 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 39 transitions. [2023-11-12 02:04:29,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 12 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:29,960 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 39 transitions. [2023-11-12 02:04:29,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 02:04:29,961 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:29,961 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:29,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:30,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:30,168 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:30,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:30,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1983104317, now seen corresponding path program 1 times [2023-11-12 02:04:30,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:30,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334062178] [2023-11-12 02:04:30,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:30,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:30,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:30,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:04:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:30,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:30,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334062178] [2023-11-12 02:04:30,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334062178] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:04:30,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1271957269] [2023-11-12 02:04:30,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:30,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:30,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:30,440 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:30,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-12 02:04:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:30,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 90 conjunts are in the unsatisfiable core [2023-11-12 02:04:30,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:30,695 INFO L351 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 [2023-11-12 02:04:30,777 WARN L876 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset (select .cse0 LDV_INIT_LIST_HEAD_~list.offset)) .cse1 (select .cse0 .cse1))))) (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2023-11-12 02:04:30,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:04:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:04:30,817 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-11-12 02:04:30,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:04:30,963 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 02:04:30,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1271957269] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:30,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-12 02:04:30,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 18 [2023-11-12 02:04:30,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586677902] [2023-11-12 02:04:30,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:30,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-12 02:04:30,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:30,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-12 02:04:30,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=234, Unknown=1, NotChecked=30, Total=306 [2023-11-12 02:04:30,967 INFO L87 Difference]: Start difference. First operand 38 states and 39 transitions. Second operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:31,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:31,241 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2023-11-12 02:04:31,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-12 02:04:31,242 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2023-11-12 02:04:31,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:31,243 INFO L225 Difference]: With dead ends: 42 [2023-11-12 02:04:31,243 INFO L226 Difference]: Without dead ends: 41 [2023-11-12 02:04:31,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=436, Unknown=1, NotChecked=42, Total=552 [2023-11-12 02:04:31,244 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 23 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 60 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:31,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 156 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 60 Unchecked, 0.1s Time] [2023-11-12 02:04:31,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-12 02:04:31,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2023-11-12 02:04:31,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.1) internal successors, (33), 31 states have internal predecessors, (33), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:31,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2023-11-12 02:04:31,249 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 25 [2023-11-12 02:04:31,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:31,250 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2023-11-12 02:04:31,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:31,250 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2023-11-12 02:04:31,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-12 02:04:31,251 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:31,251 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:31,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:31,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:31,452 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:31,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:31,453 INFO L85 PathProgramCache]: Analyzing trace with hash 833927339, now seen corresponding path program 1 times [2023-11-12 02:04:31,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:31,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994063115] [2023-11-12 02:04:31,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:31,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:31,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:04:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 02:04:31,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:31,647 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994063115] [2023-11-12 02:04:31,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994063115] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:04:31,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:04:31,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:04:31,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083022939] [2023-11-12 02:04:31,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:04:31,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:04:31,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:31,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:04:31,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:04:31,650 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:31,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:31,817 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2023-11-12 02:04:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:04:31,818 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 30 [2023-11-12 02:04:31,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:31,819 INFO L225 Difference]: With dead ends: 47 [2023-11-12 02:04:31,820 INFO L226 Difference]: Without dead ends: 37 [2023-11-12 02:04:31,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-12 02:04:31,821 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 32 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:31,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 107 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 02:04:31,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-12 02:04:31,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-12 02:04:31,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:31,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2023-11-12 02:04:31,829 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 30 [2023-11-12 02:04:31,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:31,830 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2023-11-12 02:04:31,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 6 states have internal predecessors, (25), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2023-11-12 02:04:31,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 02:04:31,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:31,833 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:31,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:04:31,834 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:31,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:31,834 INFO L85 PathProgramCache]: Analyzing trace with hash -719443855, now seen corresponding path program 1 times [2023-11-12 02:04:31,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:31,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492257338] [2023-11-12 02:04:31,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:31,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:31,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:32,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-12 02:04:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:32,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:32,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:32,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492257338] [2023-11-12 02:04:32,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492257338] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:04:32,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354173484] [2023-11-12 02:04:32,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:32,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:32,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:32,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:32,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-12 02:04:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:32,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 140 conjunts are in the unsatisfiable core [2023-11-12 02:04:32,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:32,439 INFO L351 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 [2023-11-12 02:04:32,519 WARN L876 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset (select .cse0 LDV_INIT_LIST_HEAD_~list.offset)) .cse1 (select .cse0 .cse1))))) (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2023-11-12 02:04:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:04:32,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:04:32,553 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-11-12 02:04:32,759 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2023-11-12 02:04:32,905 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-12 02:04:32,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:32,931 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:04:33,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354173484] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:04:33,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:04:33,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18] total 23 [2023-11-12 02:04:33,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885978802] [2023-11-12 02:04:33,617 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:04:33,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-12 02:04:33,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:33,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-12 02:04:33,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=847, Unknown=1, NotChecked=58, Total=992 [2023-11-12 02:04:33,620 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 23 states, 23 states have (on average 2.4347826086956523) internal successors, (56), 18 states have internal predecessors, (56), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-12 02:04:34,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:34,445 INFO L93 Difference]: Finished difference Result 63 states and 64 transitions. [2023-11-12 02:04:34,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2023-11-12 02:04:34,446 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.4347826086956523) internal successors, (56), 18 states have internal predecessors, (56), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 34 [2023-11-12 02:04:34,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:34,446 INFO L225 Difference]: With dead ends: 63 [2023-11-12 02:04:34,446 INFO L226 Difference]: Without dead ends: 37 [2023-11-12 02:04:34,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=193, Invalid=1789, Unknown=2, NotChecked=86, Total=2070 [2023-11-12 02:04:34,449 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 36 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:34,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 160 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 322 Invalid, 0 Unknown, 35 Unchecked, 0.3s Time] [2023-11-12 02:04:34,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-12 02:04:34,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-12 02:04:34,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.032258064516129) internal successors, (32), 31 states have internal predecessors, (32), 3 states have call successors, (3), 3 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:04:34,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2023-11-12 02:04:34,456 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 34 [2023-11-12 02:04:34,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:34,456 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2023-11-12 02:04:34,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.4347826086956523) internal successors, (56), 18 states have internal predecessors, (56), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-12 02:04:34,457 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2023-11-12 02:04:34,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-12 02:04:34,460 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:04:34,460 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] [2023-11-12 02:04:34,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:34,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-12 02:04:34,668 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:04:34,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:04:34,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1565572184, now seen corresponding path program 1 times [2023-11-12 02:04:34,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:04:34,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155943866] [2023-11-12 02:04:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:04:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:04:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:34,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-12 02:04:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:34,918 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:34,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:04:34,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155943866] [2023-11-12 02:04:34,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155943866] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:04:34,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845515088] [2023-11-12 02:04:34,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:04:34,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 02:04:34,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:04:34,920 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 02:04:34,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-12 02:04:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:04:35,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 147 conjunts are in the unsatisfiable core [2023-11-12 02:04:35,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:04:35,316 INFO L351 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 [2023-11-12 02:04:35,382 WARN L876 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int)| |c_LDV_INIT_LIST_HEAD_#in~list.base|) LDV_INIT_LIST_HEAD_~list.offset (select .cse0 LDV_INIT_LIST_HEAD_~list.offset)) .cse1 (select .cse0 .cse1))))) (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|))) is different from true [2023-11-12 02:04:35,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:04:35,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-12 02:04:35,409 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2023-11-12 02:04:35,602 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 3 [2023-11-12 02:04:35,741 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-12 02:04:35,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:04:35,774 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 02:04:38,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845515088] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 02:04:38,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-12 02:04:38,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19] total 25 [2023-11-12 02:04:38,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738800657] [2023-11-12 02:04:38,726 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-12 02:04:38,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-12 02:04:38,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:04:38,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-12 02:04:38,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=961, Unknown=2, NotChecked=62, Total=1122 [2023-11-12 02:04:38,730 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 25 states, 25 states have (on average 2.4) internal successors, (60), 20 states have internal predecessors, (60), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-12 02:04:39,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:04:39,588 INFO L93 Difference]: Finished difference Result 62 states and 63 transitions. [2023-11-12 02:04:39,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-12 02:04:39,589 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.4) internal successors, (60), 20 states have internal predecessors, (60), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 36 [2023-11-12 02:04:39,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:04:39,590 INFO L225 Difference]: With dead ends: 62 [2023-11-12 02:04:39,590 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:04:39,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=201, Invalid=1870, Unknown=3, NotChecked=88, Total=2162 [2023-11-12 02:04:39,592 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 35 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 35 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 02:04:39,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 164 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 308 Invalid, 0 Unknown, 35 Unchecked, 0.3s Time] [2023-11-12 02:04:39,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:04:39,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:04:39,593 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) [2023-11-12 02:04:39,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:04:39,593 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2023-11-12 02:04:39,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:04:39,594 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:04:39,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.4) internal successors, (60), 20 states have internal predecessors, (60), 4 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-12 02:04:39,594 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:04:39,594 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:04:39,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-12 02:04:39,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-12 02:04:39,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-12 02:04:39,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-12 02:04:39,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:04:39,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-12 02:04:39,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:04:39,965 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2023-11-12 02:04:39,965 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 525 531) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 525 531) no Hoare annotation was computed. [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 525 531) no Hoare annotation was computed. [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point L659(line 659) no Hoare annotation was computed. [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_create_returnLabel#1(lines 738 747) no Hoare annotation was computed. [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point L659-1(line 659) no Hoare annotation was computed. [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 718) no Hoare annotation was computed. [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point L684(lines 684 687) no Hoare annotation was computed. [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point L717-2(lines 717 718) no Hoare annotation was computed. [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_init_returnLabel#1(lines 728 737) no Hoare annotation was computed. [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 683) no Hoare annotation was computed. [2023-11-12 02:04:39,966 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 743) no Hoare annotation was computed. [2023-11-12 02:04:39,967 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:04:39,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 659) no Hoare annotation was computed. [2023-11-12 02:04:39,967 INFO L895 garLoopResultBuilder]: At program point L767(line 767) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_ldv_kobject_create_#res#1.base| 0)) (.cse0 (= |ULTIMATE.start_entry_point_~kobj~2#1.offset| 0))) (or (and (= 0 |ULTIMATE.start_ldv_kobject_create_#res#1.offset|) (= |ULTIMATE.start_entry_point_~kobj~2#1.base| 0) .cse0 .cse1) (and (not .cse1) .cse0 (= (select (select |#memory_int| |ULTIMATE.start_entry_point_~kobj~2#1.base|) 12) 2)))) [2023-11-12 02:04:39,967 INFO L899 garLoopResultBuilder]: For program point L767-1(lines 763 768) no Hoare annotation was computed. [2023-11-12 02:04:39,967 INFO L895 garLoopResultBuilder]: At program point L-1-2(line -1) the Hoare annotation is: (and (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0))) [2023-11-12 02:04:39,967 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:04:39,967 INFO L899 garLoopResultBuilder]: For program point L-1-3(line -1) no Hoare annotation was computed. [2023-11-12 02:04:39,967 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 732) no Hoare annotation was computed. [2023-11-12 02:04:39,968 INFO L895 garLoopResultBuilder]: At program point L726(line 726) the Hoare annotation is: (and (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base|) (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base|) (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.offset| 0) (= (select (select |#memory_int| |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base|) 12) 1) (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.offset| 0) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0))) [2023-11-12 02:04:39,968 INFO L899 garLoopResultBuilder]: For program point L726-1(lines 721 727) no Hoare annotation was computed. [2023-11-12 02:04:39,968 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_get_returnLabel#1(lines 715 720) no Hoare annotation was computed. [2023-11-12 02:04:39,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 659) no Hoare annotation was computed. [2023-11-12 02:04:39,968 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:04:39,968 INFO L899 garLoopResultBuilder]: For program point ldv_atomic_add_return_returnLabel#1(lines 655 662) no Hoare annotation was computed. [2023-11-12 02:04:39,968 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 724) no Hoare annotation was computed. [2023-11-12 02:04:39,968 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:04:39,968 INFO L899 garLoopResultBuilder]: For program point L769(lines 769 771) no Hoare annotation was computed. [2023-11-12 02:04:39,968 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 759) no Hoare annotation was computed. [2023-11-12 02:04:39,969 INFO L902 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: true [2023-11-12 02:04:39,969 INFO L899 garLoopResultBuilder]: For program point L741-1(line 741) no Hoare annotation was computed. [2023-11-12 02:04:39,969 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 538 542) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2023-11-12 02:04:39,969 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADFINAL(lines 538 542) no Hoare annotation was computed. [2023-11-12 02:04:39,969 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADEXIT(lines 538 542) no Hoare annotation was computed. [2023-11-12 02:04:39,969 INFO L899 garLoopResultBuilder]: For program point L667(line 667) no Hoare annotation was computed. [2023-11-12 02:04:39,969 INFO L899 garLoopResultBuilder]: For program point L667-1(line 667) no Hoare annotation was computed. [2023-11-12 02:04:39,969 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 667) no Hoare annotation was computed. [2023-11-12 02:04:39,969 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 709 714) the Hoare annotation is: (let ((.cse0 (not (= |ldv_kobject_put_#in~kobj#1.offset| 0))) (.cse2 (= |old(#valid)| |#valid|))) (and (let ((.cse1 (select (select |old(#memory_int)| |ldv_kobject_put_#in~kobj#1.base|) 12))) (or .cse0 (< .cse1 2) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) .cse2) (< 2 .cse1))) (or .cse0 (not (= |ldv_kobject_put_#in~kobj#1.base| 0)) .cse2))) [2023-11-12 02:04:39,970 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 713) no Hoare annotation was computed. [2023-11-12 02:04:39,970 INFO L899 garLoopResultBuilder]: For program point L711-2(lines 709 714) no Hoare annotation was computed. [2023-11-12 02:04:39,970 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_putEXIT(lines 709 714) no Hoare annotation was computed. [2023-11-12 02:04:39,970 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 677) no Hoare annotation was computed. [2023-11-12 02:04:39,970 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 708) no Hoare annotation was computed. [2023-11-12 02:04:39,970 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 703) no Hoare annotation was computed. [2023-11-12 02:04:39,970 INFO L899 garLoopResultBuilder]: For program point ldv_atomic_sub_return_returnLabel#1(lines 663 670) no Hoare annotation was computed. [2023-11-12 02:04:39,970 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 704) no Hoare annotation was computed. [2023-11-12 02:04:39,970 INFO L899 garLoopResultBuilder]: For program point ##fun~$Pointer$~TO~VOID_returnLabel#1(line -1) no Hoare annotation was computed. [2023-11-12 02:04:39,972 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 667) no Hoare annotation was computed. [2023-11-12 02:04:39,973 INFO L899 garLoopResultBuilder]: For program point ldv_kref_put_returnLabel#1(lines 688 691) no Hoare annotation was computed. [2023-11-12 02:04:39,973 INFO L899 garLoopResultBuilder]: For program point ldv_kref_sub_returnLabel#1(lines 671 679) no Hoare annotation was computed. [2023-11-12 02:04:39,976 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:04:39,978 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:04:39,990 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-11-12 02:04:39,993 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-11-12 02:04:39,993 ERROR L464 ceAbstractionStarter]: Failed to backtranslate (and (= 0 |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.offset|) (not (= |ULTIMATE.start_ldv_kobject_create_~kobj~1#1.base| 0))) [2023-11-12 02:04:39,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:04:39 BoogieIcfgContainer [2023-11-12 02:04:39,995 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:04:39,996 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:04:39,996 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:04:39,996 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:04:39,997 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:25" (3/4) ... [2023-11-12 02:04:40,000 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:04:40,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-12 02:04:40,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2023-11-12 02:04:40,005 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2023-11-12 02:04:40,015 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-12 02:04:40,016 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-12 02:04:40,016 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-12 02:04:40,017 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:04:40,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:04:40,139 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:04:40,140 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:04:40,141 INFO L158 Benchmark]: Toolchain (without parser) took 16020.86ms. Allocated memory was 163.6MB in the beginning and 245.4MB in the end (delta: 81.8MB). Free memory was 117.2MB in the beginning and 166.3MB in the end (delta: -49.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-11-12 02:04:40,142 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory was 138.9MB in the beginning and 138.7MB in the end (delta: 171.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:04:40,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.97ms. Allocated memory is still 163.6MB. Free memory was 117.0MB in the beginning and 95.2MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:40,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.68ms. Allocated memory is still 163.6MB. Free memory was 95.0MB in the beginning and 92.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:40,144 INFO L158 Benchmark]: Boogie Preprocessor took 40.12ms. Allocated memory is still 163.6MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:40,145 INFO L158 Benchmark]: RCFGBuilder took 638.28ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 127.2MB in the end (delta: -36.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-12 02:04:40,145 INFO L158 Benchmark]: TraceAbstraction took 14331.15ms. Allocated memory was 163.6MB in the beginning and 245.4MB in the end (delta: 81.8MB). Free memory was 126.9MB in the beginning and 172.6MB in the end (delta: -45.8MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. [2023-11-12 02:04:40,149 INFO L158 Benchmark]: Witness Printer took 144.81ms. Allocated memory is still 245.4MB. Free memory was 172.6MB in the beginning and 166.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:04:40,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 163.6MB. Free memory was 138.9MB in the beginning and 138.7MB in the end (delta: 171.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.97ms. Allocated memory is still 163.6MB. Free memory was 117.0MB in the beginning and 95.2MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.68ms. Allocated memory is still 163.6MB. Free memory was 95.0MB in the beginning and 92.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.12ms. Allocated memory is still 163.6MB. Free memory was 92.4MB in the beginning and 90.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.28ms. Allocated memory is still 163.6MB. Free memory was 90.3MB in the beginning and 127.2MB in the end (delta: -36.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 14331.15ms. Allocated memory was 163.6MB in the beginning and 245.4MB in the end (delta: 81.8MB). Free memory was 126.9MB in the beginning and 172.6MB in the end (delta: -45.8MB). Peak memory consumption was 36.0MB. Max. memory is 16.1GB. * Witness Printer took 144.81ms. Allocated memory is still 245.4MB. Free memory was 172.6MB in the beginning and 166.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable ~kobj~1 * 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: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 659]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 667]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 52 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 14.2s, OverallIterations: 12, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 288 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 287 mSDsluCounter, 1813 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 191 IncrementalHoareTripleChecker+Unchecked, 1493 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1622 IncrementalHoareTripleChecker+Invalid, 1870 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 320 mSDtfsCounter, 1622 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 808 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=0, InterpolantAutomatonStates: 128, 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, 12 MinimizatonAttempts, 29 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 21 PreInvPairs, 28 NumberOfFragments, 127 HoareAnnotationTreeSize, 21 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 74 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 383 NumberOfCodeBlocks, 383 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 367 ConstructedInterpolants, 8 QuantifiedInterpolants, 1776 SizeOfPredicates, 196 NumberOfNonLiveVariables, 1041 ConjunctsInSsa, 467 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 3/13 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 4 specifications checked. All of them hold - InvariantResult [Line: -1]: Loop Invariant [2023-11-12 02:04:40,174 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-11-12 02:04:40,174 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 Derived loop invariant: NULL RESULT: Ultimate proved your program to be correct! [2023-11-12 02:04:40,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8bc3431-a96f-4b3a-95a1-dcd9f8eed69f/bin/uautomizer-verify-uTZkv6EMXl/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