./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya --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 beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 23:39:04,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 23:39:04,146 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-28 23:39:04,150 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 23:39:04,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 23:39:04,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 23:39:04,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 23:39:04,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 23:39:04,174 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 23:39:04,174 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 23:39:04,175 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 23:39:04,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 23:39:04,176 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 23:39:04,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 23:39:04,177 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 23:39:04,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 23:39:04,178 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 23:39:04,178 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 23:39:04,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 23:39:04,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 23:39:04,180 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 23:39:04,181 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 23:39:04,181 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 23:39:04,182 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 23:39:04,182 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-28 23:39:04,182 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 23:39:04,183 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 23:39:04,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 23:39:04,184 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 23:39:04,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 23:39:04,198 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 23:39:04,199 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 23:39:04,199 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 23:39:04,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:39:04,200 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 23:39:04,200 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 23:39:04,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 23:39:04,201 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 23:39:04,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 23:39:04,201 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 23:39:04,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 23:39:04,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 23:39:04,202 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 23:39:04,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 23:39:04,203 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_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> beb004be26a355c223f1a45515f5377c37b18fc46f09e77727f89b964ae9789d [2023-11-28 23:39:04,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 23:39:04,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 23:39:04,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 23:39:04,450 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 23:39:04,450 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 23:39:04,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i [2023-11-28 23:39:07,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 23:39:07,407 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 23:39:07,408 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/sv-benchmarks/c/ldv-memsafety/memleaks_test22_2-2.i [2023-11-28 23:39:07,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/data/1140135a8/30445cac52664b059d3e3ff0aa6314dc/FLAG6e71c4223 [2023-11-28 23:39:07,437 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/data/1140135a8/30445cac52664b059d3e3ff0aa6314dc [2023-11-28 23:39:07,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 23:39:07,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 23:39:07,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 23:39:07,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 23:39:07,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 23:39:07,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:07,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374298bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07, skipping insertion in model container [2023-11-28 23:39:07,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:07,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 23:39:07,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:39:07,825 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 23:39:07,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 23:39:07,911 WARN L675 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-11-28 23:39:07,917 INFO L206 MainTranslator]: Completed translation [2023-11-28 23:39:07,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07 WrapperNode [2023-11-28 23:39:07,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 23:39:07,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 23:39:07,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 23:39:07,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 23:39:07,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:07,943 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:07,968 INFO L138 Inliner]: procedures = 164, calls = 71, calls flagged for inlining = 23, calls inlined = 17, statements flattened = 123 [2023-11-28 23:39:07,968 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 23:39:07,969 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 23:39:07,969 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 23:39:07,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 23:39:07,978 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:07,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:07,981 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:08,002 INFO L175 MemorySlicer]: Split 12 memory accesses to 2 slices as follows [2, 10]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 7 writes are split as follows [0, 7]. [2023-11-28 23:39:08,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:08,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:08,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:08,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:08,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:08,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:08,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 23:39:08,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 23:39:08,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 23:39:08,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 23:39:08,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (1/1) ... [2023-11-28 23:39:08,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 23:39:08,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:39:08,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 23:39:08,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 23:39:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 23:39:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 23:39:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2023-11-28 23:39:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2023-11-28 23:39:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-28 23:39:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-28 23:39:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kobject_put [2023-11-28 23:39:08,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kobject_put [2023-11-28 23:39:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 23:39:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 23:39:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-28 23:39:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 23:39:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-28 23:39:08,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-28 23:39:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-28 23:39:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-28 23:39:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 23:39:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-28 23:39:08,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-28 23:39:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 23:39:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 23:39:08,225 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 23:39:08,228 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 23:39:08,435 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 23:39:08,471 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 23:39:08,471 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-28 23:39:08,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:08 BoogieIcfgContainer [2023-11-28 23:39:08,472 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 23:39:08,475 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 23:39:08,475 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 23:39:08,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 23:39:08,479 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:39:07" (1/3) ... [2023-11-28 23:39:08,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d6a374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:39:08, skipping insertion in model container [2023-11-28 23:39:08,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:39:07" (2/3) ... [2023-11-28 23:39:08,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d6a374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:39:08, skipping insertion in model container [2023-11-28 23:39:08,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:08" (3/3) ... [2023-11-28 23:39:08,482 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test22_2-2.i [2023-11-28 23:39:08,501 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 23:39:08,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-28 23:39:08,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 23:39:08,554 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;@587f6a55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 23:39:08,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-28 23:39:08,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 32 states have internal predecessors, (40), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-28 23:39:08,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-28 23:39:08,565 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:08,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:39:08,566 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:08,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:08,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1466969240, now seen corresponding path program 1 times [2023-11-28 23:39:08,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:08,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210623248] [2023-11-28 23:39:08,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:08,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:08,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:08,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:08,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210623248] [2023-11-28 23:39:08,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210623248] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:39:08,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:39:08,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 23:39:08,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801912705] [2023-11-28 23:39:08,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:39:08,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 23:39:08,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:08,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 23:39:08,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:39:08,983 INFO L87 Difference]: Start difference. First operand has 39 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 32 states have internal predecessors, (40), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-28 23:39:09,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:09,154 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2023-11-28 23:39:09,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:39:09,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 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 11 [2023-11-28 23:39:09,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:09,165 INFO L225 Difference]: With dead ends: 76 [2023-11-28 23:39:09,165 INFO L226 Difference]: Without dead ends: 51 [2023-11-28 23:39:09,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:39:09,172 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 23 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:09,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 110 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:39:09,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-28 23:39:09,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 41. [2023-11-28 23:39:09,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 34 states have internal predecessors, (42), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-28 23:39:09,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2023-11-28 23:39:09,214 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 11 [2023-11-28 23:39:09,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:09,214 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2023-11-28 23:39:09,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-28 23:39:09,215 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-28 23:39:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-28 23:39:09,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:09,216 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:39:09,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 23:39:09,216 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:09,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:09,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1085187721, now seen corresponding path program 1 times [2023-11-28 23:39:09,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:09,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687409549] [2023-11-28 23:39:09,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:09,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:09,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:09,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:09,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:09,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687409549] [2023-11-28 23:39:09,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687409549] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:39:09,341 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:39:09,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 23:39:09,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179987925] [2023-11-28 23:39:09,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:39:09,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 23:39:09,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:09,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 23:39:09,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:39:09,345 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-28 23:39:09,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:09,459 INFO L93 Difference]: Finished difference Result 69 states and 84 transitions. [2023-11-28 23:39:09,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:39:09,460 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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 11 [2023-11-28 23:39:09,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:09,461 INFO L225 Difference]: With dead ends: 69 [2023-11-28 23:39:09,461 INFO L226 Difference]: Without dead ends: 50 [2023-11-28 23:39:09,462 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 [2023-11-28 23:39:09,464 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 18 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:09,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 90 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:39:09,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-28 23:39:09,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 43. [2023-11-28 23:39:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 36 states have internal predecessors, (44), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-28 23:39:09,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2023-11-28 23:39:09,473 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 52 transitions. Word has length 11 [2023-11-28 23:39:09,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:09,474 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 52 transitions. [2023-11-28 23:39:09,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 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) [2023-11-28 23:39:09,474 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-11-28 23:39:09,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-28 23:39:09,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:09,475 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:39:09,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 23:39:09,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:09,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash -147714174, now seen corresponding path program 1 times [2023-11-28 23:39:09,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:09,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846942597] [2023-11-28 23:39:09,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:09,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:09,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:09,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:09,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:09,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846942597] [2023-11-28 23:39:09,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846942597] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:39:09,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:39:09,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-28 23:39:09,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384476733] [2023-11-28 23:39:09,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:39:09,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 23:39:09,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:09,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 23:39:09,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:39:09,607 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-28 23:39:09,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:09,753 INFO L93 Difference]: Finished difference Result 75 states and 92 transitions. [2023-11-28 23:39:09,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 23:39:09,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 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 14 [2023-11-28 23:39:09,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:09,756 INFO L225 Difference]: With dead ends: 75 [2023-11-28 23:39:09,757 INFO L226 Difference]: Without dead ends: 53 [2023-11-28 23:39:09,757 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 [2023-11-28 23:39:09,759 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 25 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:09,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 133 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:39:09,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-28 23:39:09,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 45. [2023-11-28 23:39:09,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.4242424242424243) internal successors, (47), 38 states have internal predecessors, (47), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-28 23:39:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2023-11-28 23:39:09,767 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 14 [2023-11-28 23:39:09,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:09,767 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2023-11-28 23:39:09,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-28 23:39:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-11-28 23:39:09,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-28 23:39:09,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:09,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:39:09,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 23:39:09,769 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:09,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:09,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1359941365, now seen corresponding path program 1 times [2023-11-28 23:39:09,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:09,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742155857] [2023-11-28 23:39:09,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:09,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:09,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:09,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:09,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:09,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742155857] [2023-11-28 23:39:09,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742155857] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:39:09,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:39:09,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-28 23:39:09,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823009096] [2023-11-28 23:39:09,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:39:09,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-28 23:39:09,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:09,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 23:39:09,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-28 23:39:09,919 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-28 23:39:10,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:10,100 INFO L93 Difference]: Finished difference Result 70 states and 84 transitions. [2023-11-28 23:39:10,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 23:39:10,101 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 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 15 [2023-11-28 23:39:10,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:10,102 INFO L225 Difference]: With dead ends: 70 [2023-11-28 23:39:10,102 INFO L226 Difference]: Without dead ends: 48 [2023-11-28 23:39:10,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-11-28 23:39:10,104 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 27 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:10,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 143 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:39:10,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-28 23:39:10,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 43. [2023-11-28 23:39:10,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 36 states have internal predecessors, (44), 4 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-28 23:39:10,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2023-11-28 23:39:10,111 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 52 transitions. Word has length 15 [2023-11-28 23:39:10,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:10,112 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 52 transitions. [2023-11-28 23:39:10,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 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) [2023-11-28 23:39:10,112 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-11-28 23:39:10,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-28 23:39:10,113 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:10,113 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:39:10,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-28 23:39:10,114 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:10,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:10,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1944665533, now seen corresponding path program 1 times [2023-11-28 23:39:10,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:10,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573554249] [2023-11-28 23:39:10,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:10,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:10,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:10,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:10,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573554249] [2023-11-28 23:39:10,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573554249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:39:10,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:39:10,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-28 23:39:10,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890721733] [2023-11-28 23:39:10,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:39:10,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-28 23:39:10,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:10,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-28 23:39:10,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-28 23:39:10,224 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. Second operand has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2023-11-28 23:39:10,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:10,331 INFO L93 Difference]: Finished difference Result 73 states and 87 transitions. [2023-11-28 23:39:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:39:10,331 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 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 14 [2023-11-28 23:39:10,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:10,332 INFO L225 Difference]: With dead ends: 73 [2023-11-28 23:39:10,332 INFO L226 Difference]: Without dead ends: 40 [2023-11-28 23:39:10,333 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 [2023-11-28 23:39:10,334 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 14 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:10,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 108 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:39:10,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-28 23:39:10,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2023-11-28 23:39:10,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 31 states have internal predecessors, (36), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 23:39:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2023-11-28 23:39:10,341 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 14 [2023-11-28 23:39:10,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:10,341 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2023-11-28 23:39:10,342 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2023-11-28 23:39:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2023-11-28 23:39:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-28 23:39:10,343 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:10,343 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:39:10,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-28 23:39:10,343 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:10,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:10,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1264547627, now seen corresponding path program 1 times [2023-11-28 23:39:10,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:10,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363124741] [2023-11-28 23:39:10,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:10,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:10,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:10,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363124741] [2023-11-28 23:39:10,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363124741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:39:10,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:39:10,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-28 23:39:10,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80479204] [2023-11-28 23:39:10,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:39:10,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-28 23:39:10,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:10,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-28 23:39:10,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-28 23:39:10,450 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 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) [2023-11-28 23:39:10,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:10,598 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2023-11-28 23:39:10,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-28 23:39:10,598 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 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 [2023-11-28 23:39:10,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:10,599 INFO L225 Difference]: With dead ends: 63 [2023-11-28 23:39:10,599 INFO L226 Difference]: Without dead ends: 40 [2023-11-28 23:39:10,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-11-28 23:39:10,601 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 22 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:10,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 106 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:39:10,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-28 23:39:10,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2023-11-28 23:39:10,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 30 states have internal predecessors, (35), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 23:39:10,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2023-11-28 23:39:10,607 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 16 [2023-11-28 23:39:10,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:10,607 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2023-11-28 23:39:10,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 6 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) [2023-11-28 23:39:10,607 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-28 23:39:10,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-28 23:39:10,608 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:10,608 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:39:10,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-28 23:39:10,608 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:10,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:10,609 INFO L85 PathProgramCache]: Analyzing trace with hash 721679837, now seen corresponding path program 1 times [2023-11-28 23:39:10,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:10,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431851404] [2023-11-28 23:39:10,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:10,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:10,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-28 23:39:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:10,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:10,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431851404] [2023-11-28 23:39:10,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431851404] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:39:10,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:39:10,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-28 23:39:10,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14679240] [2023-11-28 23:39:10,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:39:10,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-28 23:39:10,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:10,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-28 23:39:10,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-28 23:39:10,737 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-28 23:39:10,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:10,842 INFO L93 Difference]: Finished difference Result 71 states and 81 transitions. [2023-11-28 23:39:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-28 23:39:10,842 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 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 19 [2023-11-28 23:39:10,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:10,843 INFO L225 Difference]: With dead ends: 71 [2023-11-28 23:39:10,843 INFO L226 Difference]: Without dead ends: 43 [2023-11-28 23:39:10,844 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 [2023-11-28 23:39:10,845 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 23 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:10,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 59 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:39:10,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-28 23:39:10,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 38. [2023-11-28 23:39:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 31 states have internal predecessors, (36), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 23:39:10,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2023-11-28 23:39:10,850 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 19 [2023-11-28 23:39:10,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:10,851 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2023-11-28 23:39:10,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-28 23:39:10,851 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2023-11-28 23:39:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-28 23:39:10,852 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:10,852 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] [2023-11-28 23:39:10,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-28 23:39:10,852 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:10,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:10,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1649535750, now seen corresponding path program 1 times [2023-11-28 23:39:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:10,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901991767] [2023-11-28 23:39:10,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:10,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:10,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:11,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:11,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-28 23:39:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:11,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:11,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901991767] [2023-11-28 23:39:11,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901991767] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:39:11,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890001813] [2023-11-28 23:39:11,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:11,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:39:11,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:39:11,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:39:11,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-28 23:39:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:11,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-28 23:39:11,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:39:11,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-28 23:39:11,386 WARN L876 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int)) (and (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int#1| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int#1)| |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))))))) is different from true [2023-11-28 23:39:11,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:39:11,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:39:11,418 INFO L378 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 [2023-11-28 23:39:11,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-28 23:39:11,527 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:39:11,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890001813] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:39:11,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:39:11,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 18 [2023-11-28 23:39:11,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108242556] [2023-11-28 23:39:11,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:39:11,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-28 23:39:11,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:11,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-28 23:39:11,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=234, Unknown=1, NotChecked=30, Total=306 [2023-11-28 23:39:11,529 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 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) [2023-11-28 23:39:11,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:11,813 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2023-11-28 23:39:11,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-28 23:39:11,813 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 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 20 [2023-11-28 23:39:11,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:11,814 INFO L225 Difference]: With dead ends: 43 [2023-11-28 23:39:11,814 INFO L226 Difference]: Without dead ends: 42 [2023-11-28 23:39:11,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=436, Unknown=1, NotChecked=42, Total=552 [2023-11-28 23:39:11,815 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 25 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 57 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:11,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 137 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 228 Invalid, 0 Unknown, 57 Unchecked, 0.2s Time] [2023-11-28 23:39:11,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-11-28 23:39:11,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 37. [2023-11-28 23:39:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 30 states have internal predecessors, (35), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 23:39:11,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2023-11-28 23:39:11,821 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 20 [2023-11-28 23:39:11,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:11,822 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2023-11-28 23:39:11,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 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) [2023-11-28 23:39:11,822 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2023-11-28 23:39:11,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-28 23:39:11,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:11,823 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] [2023-11-28 23:39:11,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-28 23:39:12,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:39:12,023 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:12,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:12,024 INFO L85 PathProgramCache]: Analyzing trace with hash 403999418, now seen corresponding path program 1 times [2023-11-28 23:39:12,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:12,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334282515] [2023-11-28 23:39:12,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:12,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:12,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-28 23:39:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:12,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:12,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:12,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334282515] [2023-11-28 23:39:12,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334282515] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:39:12,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163585144] [2023-11-28 23:39:12,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:12,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:39:12,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:39:12,189 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:39:12,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-28 23:39:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:12,310 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 74 conjunts are in the unsatisfiable core [2023-11-28 23:39:12,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:39:12,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-28 23:39:12,486 WARN L876 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int)) (and (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int#1| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int#1)| |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))))))) is different from true [2023-11-28 23:39:12,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:39:12,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:39:12,505 INFO L378 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 [2023-11-28 23:39:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-28 23:39:12,607 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-28 23:39:12,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163585144] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:39:12,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-28 23:39:12,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 18 [2023-11-28 23:39:12,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688134136] [2023-11-28 23:39:12,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:39:12,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-28 23:39:12,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:12,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-28 23:39:12,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=234, Unknown=1, NotChecked=30, Total=306 [2023-11-28 23:39:12,609 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 14 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-11-28 23:39:12,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:12,867 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2023-11-28 23:39:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-28 23:39:12,868 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 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 21 [2023-11-28 23:39:12,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:12,869 INFO L225 Difference]: With dead ends: 42 [2023-11-28 23:39:12,869 INFO L226 Difference]: Without dead ends: 41 [2023-11-28 23:39:12,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=73, Invalid=436, Unknown=1, NotChecked=42, Total=552 [2023-11-28 23:39:12,870 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 21 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 264 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 56 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:12,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 123 Invalid, 264 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 202 Invalid, 0 Unknown, 56 Unchecked, 0.1s Time] [2023-11-28 23:39:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-28 23:39:12,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2023-11-28 23:39:12,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 29 states have internal predecessors, (34), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 23:39:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2023-11-28 23:39:12,877 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 21 [2023-11-28 23:39:12,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:12,877 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2023-11-28 23:39:12,877 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 1.5454545454545454) internal successors, (17), 12 states have internal predecessors, (17), 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) [2023-11-28 23:39:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-11-28 23:39:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-28 23:39:12,878 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:12,878 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] [2023-11-28 23:39:12,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-28 23:39:13,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:39:13,083 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:13,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:13,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1370370830, now seen corresponding path program 1 times [2023-11-28 23:39:13,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:13,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549616757] [2023-11-28 23:39:13,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:13,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:13,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:13,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-28 23:39:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:13,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-28 23:39:13,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:13,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549616757] [2023-11-28 23:39:13,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549616757] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 23:39:13,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 23:39:13,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-28 23:39:13,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294907497] [2023-11-28 23:39:13,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 23:39:13,215 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-28 23:39:13,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:13,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-28 23:39:13,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-11-28 23:39:13,216 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-28 23:39:13,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:13,393 INFO L93 Difference]: Finished difference Result 56 states and 64 transitions. [2023-11-28 23:39:13,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-28 23:39:13,395 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 6 states have internal predecessors, (19), 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 24 [2023-11-28 23:39:13,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:13,396 INFO L225 Difference]: With dead ends: 56 [2023-11-28 23:39:13,396 INFO L226 Difference]: Without dead ends: 41 [2023-11-28 23:39:13,397 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 [2023-11-28 23:39:13,397 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 32 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:13,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 67 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-28 23:39:13,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-28 23:39:13,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 36. [2023-11-28 23:39:13,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 29 states have internal predecessors, (33), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 23:39:13,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2023-11-28 23:39:13,403 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 24 [2023-11-28 23:39:13,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:13,403 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2023-11-28 23:39:13,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-28 23:39:13,404 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-11-28 23:39:13,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-28 23:39:13,405 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:13,405 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] [2023-11-28 23:39:13,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-28 23:39:13,405 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:13,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:13,405 INFO L85 PathProgramCache]: Analyzing trace with hash -698903343, now seen corresponding path program 1 times [2023-11-28 23:39:13,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:13,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320648488] [2023-11-28 23:39:13,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:13,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:13,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:13,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-11-28 23:39:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:13,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:13,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:13,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320648488] [2023-11-28 23:39:13,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320648488] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:39:13,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214097731] [2023-11-28 23:39:13,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:13,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:39:13,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:39:13,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:39:13,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-28 23:39:13,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:13,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 121 conjunts are in the unsatisfiable core [2023-11-28 23:39:13,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:39:13,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-28 23:39:13,861 WARN L876 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int)) (and (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int#1| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int#1)| |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))))))) is different from true [2023-11-28 23:39:13,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:39:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:39:13,877 INFO L378 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 [2023-11-28 23:39:14,035 INFO L378 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 [2023-11-28 23:39:14,132 INFO L378 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 [2023-11-28 23:39:14,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:14,155 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:39:14,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214097731] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:39:14,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:39:14,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 18] total 23 [2023-11-28 23:39:14,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117989622] [2023-11-28 23:39:14,622 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:39:14,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-11-28 23:39:14,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:14,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-28 23:39:14,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=847, Unknown=1, NotChecked=58, Total=992 [2023-11-28 23:39:14,624 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 23 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 18 states have internal predecessors, (41), 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) [2023-11-28 23:39:15,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:15,378 INFO L93 Difference]: Finished difference Result 76 states and 85 transitions. [2023-11-28 23:39:15,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-11-28 23:39:15,379 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 18 states have internal predecessors, (41), 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 26 [2023-11-28 23:39:15,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:15,379 INFO L225 Difference]: With dead ends: 76 [2023-11-28 23:39:15,379 INFO L226 Difference]: Without dead ends: 48 [2023-11-28 23:39:15,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=193, Invalid=1789, Unknown=2, NotChecked=86, Total=2070 [2023-11-28 23:39:15,381 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 60 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 53 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:15,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 74 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 473 Invalid, 0 Unknown, 53 Unchecked, 0.3s Time] [2023-11-28 23:39:15,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-28 23:39:15,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 43. [2023-11-28 23:39:15,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 32 states have (on average 1.1875) internal successors, (38), 34 states have internal predecessors, (38), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-28 23:39:15,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2023-11-28 23:39:15,387 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 26 [2023-11-28 23:39:15,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:15,388 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2023-11-28 23:39:15,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 18 states have internal predecessors, (41), 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) [2023-11-28 23:39:15,388 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2023-11-28 23:39:15,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-28 23:39:15,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:15,389 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] [2023-11-28 23:39:15,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-28 23:39:15,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:39:15,591 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:15,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:15,591 INFO L85 PathProgramCache]: Analyzing trace with hash 846641043, now seen corresponding path program 1 times [2023-11-28 23:39:15,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:15,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131570181] [2023-11-28 23:39:15,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:15,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:15,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:15,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-28 23:39:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:15,795 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:15,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:15,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131570181] [2023-11-28 23:39:15,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131570181] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:39:15,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561504127] [2023-11-28 23:39:15,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:15,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:39:15,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:39:15,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:39:15,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-28 23:39:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:15,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 130 conjunts are in the unsatisfiable core [2023-11-28 23:39:15,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:39:16,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-28 23:39:16,126 WARN L876 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int)) (and (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int#1| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int#1)| |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))))))) is different from true [2023-11-28 23:39:16,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:39:16,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:39:16,161 INFO L378 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 [2023-11-28 23:39:16,310 INFO L378 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 [2023-11-28 23:39:16,401 INFO L378 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 [2023-11-28 23:39:16,428 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:16,428 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:39:20,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561504127] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:39:20,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:39:20,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 19] total 25 [2023-11-28 23:39:20,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624520647] [2023-11-28 23:39:20,832 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:39:20,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-28 23:39:20,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:39:20,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-28 23:39:20,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=961, Unknown=2, NotChecked=62, Total=1122 [2023-11-28 23:39:20,834 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 25 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 20 states have internal predecessors, (45), 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) [2023-11-28 23:39:21,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:39:21,564 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2023-11-28 23:39:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-28 23:39:21,565 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 20 states have internal predecessors, (45), 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 28 [2023-11-28 23:39:21,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:39:21,565 INFO L225 Difference]: With dead ends: 78 [2023-11-28 23:39:21,565 INFO L226 Difference]: Without dead ends: 43 [2023-11-28 23:39:21,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=219, Invalid=2037, Unknown=4, NotChecked=92, Total=2352 [2023-11-28 23:39:21,567 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 71 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 45 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-28 23:39:21,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 80 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 479 Invalid, 0 Unknown, 45 Unchecked, 0.3s Time] [2023-11-28 23:39:21,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-28 23:39:21,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 40. [2023-11-28 23:39:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 32 states have (on average 1.125) internal successors, (36), 32 states have internal predecessors, (36), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-28 23:39:21,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2023-11-28 23:39:21,572 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 43 transitions. Word has length 28 [2023-11-28 23:39:21,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:39:21,573 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 43 transitions. [2023-11-28 23:39:21,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 23 states have (on average 1.9565217391304348) internal successors, (45), 20 states have internal predecessors, (45), 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) [2023-11-28 23:39:21,573 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 43 transitions. [2023-11-28 23:39:21,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-28 23:39:21,574 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 23:39:21,574 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:39:21,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-28 23:39:21,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-28 23:39:21,774 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-28 23:39:21,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 23:39:21,775 INFO L85 PathProgramCache]: Analyzing trace with hash -470939880, now seen corresponding path program 1 times [2023-11-28 23:39:21,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 23:39:21,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570705215] [2023-11-28 23:39:21,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:21,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 23:39:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:22,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-28 23:39:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-28 23:39:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:22,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-28 23:39:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:22,059 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 23:39:22,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 23:39:22,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570705215] [2023-11-28 23:39:22,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570705215] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:39:22,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405660793] [2023-11-28 23:39:22,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 23:39:22,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-28 23:39:22,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 23:39:22,061 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-28 23:39:22,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-28 23:39:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 23:39:22,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 173 conjunts are in the unsatisfiable core [2023-11-28 23:39:22,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 23:39:22,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-28 23:39:22,454 WARN L876 $PredicateComparison]: unable to prove that (exists ((LDV_INIT_LIST_HEAD_~list.offset Int)) (and (<= LDV_INIT_LIST_HEAD_~list.offset |c_LDV_INIT_LIST_HEAD_#in~list.offset|) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |c_LDV_INIT_LIST_HEAD_#in~list.base| (let ((.cse0 (select |c_#memory_int#1| |c_LDV_INIT_LIST_HEAD_#in~list.base|)) (.cse1 (+ LDV_INIT_LIST_HEAD_~list.offset 4))) (store (store (select |c_old(#memory_int#1)| |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))))))) is different from true [2023-11-28 23:39:22,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:39:22,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-28 23:39:22,467 INFO L378 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 [2023-11-28 23:39:22,609 INFO L378 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 [2023-11-28 23:39:22,808 INFO L378 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 36 treesize of output 13 [2023-11-28 23:39:22,901 INFO L378 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 [2023-11-28 23:39:22,927 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-28 23:39:22,927 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-28 23:40:59,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405660793] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-28 23:40:59,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-28 23:40:59,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 23] total 31 [2023-11-28 23:40:59,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129863916] [2023-11-28 23:40:59,068 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-28 23:40:59,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-11-28 23:40:59,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 23:40:59,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-11-28 23:40:59,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1710, Unknown=24, NotChecked=84, Total=1980 [2023-11-28 23:40:59,071 INFO L87 Difference]: Start difference. First operand 40 states and 43 transitions. Second operand has 31 states, 28 states have (on average 2.107142857142857) internal successors, (59), 24 states have internal predecessors, (59), 5 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-28 23:41:18,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 23:41:18,981 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2023-11-28 23:41:18,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-11-28 23:41:18,982 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 28 states have (on average 2.107142857142857) internal successors, (59), 24 states have internal predecessors, (59), 5 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 37 [2023-11-28 23:41:18,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 23:41:18,982 INFO L225 Difference]: With dead ends: 71 [2023-11-28 23:41:18,982 INFO L226 Difference]: Without dead ends: 0 [2023-11-28 23:41:18,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 704 ImplicationChecksByTransitivity, 114.5s TimeCoverageRelationStatistics Valid=311, Invalid=3086, Unknown=29, NotChecked=114, Total=3540 [2023-11-28 23:41:18,985 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 41 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 42 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-28 23:41:18,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 93 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 566 Invalid, 0 Unknown, 42 Unchecked, 1.6s Time] [2023-11-28 23:41:18,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-28 23:41:18,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-28 23:41:18,986 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) [2023-11-28 23:41:18,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-28 23:41:18,987 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2023-11-28 23:41:18,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 23:41:18,987 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 23:41:18,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 28 states have (on average 2.107142857142857) internal successors, (59), 24 states have internal predecessors, (59), 5 states have call successors, (8), 7 states have call predecessors, (8), 4 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2023-11-28 23:41:18,987 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-28 23:41:18,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-28 23:41:18,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-28 23:41:18,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-28 23:41:18,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-28 23:41:18,991 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-28 23:41:18,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-28 23:41:19,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-28 23:41:19,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-28 23:41:19,861 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 538 542) the Hoare annotation is: (and (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|)) [2023-11-28 23:41:19,861 INFO L899 garLoopResultBuilder]: For program point LDV_INIT_LIST_HEADEXIT(lines 538 542) no Hoare annotation was computed. [2023-11-28 23:41:19,861 INFO L899 garLoopResultBuilder]: For program point L667(line 667) no Hoare annotation was computed. [2023-11-28 23:41:19,861 INFO L899 garLoopResultBuilder]: For program point L667-1(line 667) no Hoare annotation was computed. [2023-11-28 23:41:19,861 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_putErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 667) no Hoare annotation was computed. [2023-11-28 23:41:19,862 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 709 714) the Hoare annotation is: (let ((.cse0 (not (= |ldv_kobject_put_#in~kobj#1.offset| 0))) (.cse1 (= |old(#valid)| |#valid|))) (and (let ((.cse2 (select (select |old(#memory_int#1)| |ldv_kobject_put_#in~kobj#1.base|) 12))) (or .cse0 (and (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|) .cse1) (< 2 .cse2) (< .cse2 1))) (or .cse0 (not (= |ldv_kobject_put_#in~kobj#1.base| 0)) .cse1))) [2023-11-28 23:41:19,862 INFO L899 garLoopResultBuilder]: For program point L711(lines 711 713) no Hoare annotation was computed. [2023-11-28 23:41:19,862 INFO L899 garLoopResultBuilder]: For program point L711-2(lines 709 714) no Hoare annotation was computed. [2023-11-28 23:41:19,862 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_putEXIT(lines 709 714) no Hoare annotation was computed. [2023-11-28 23:41:19,862 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 677) no Hoare annotation was computed. [2023-11-28 23:41:19,862 INFO L899 garLoopResultBuilder]: For program point L701(lines 701 703) no Hoare annotation was computed. [2023-11-28 23:41:19,862 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 704) no Hoare annotation was computed. [2023-11-28 23:41:19,862 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_putErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 667) no Hoare annotation was computed. [2023-11-28 23:41:19,862 INFO L899 garLoopResultBuilder]: For program point ldv_kref_sub_returnLabel#1(lines 671 679) no Hoare annotation was computed. [2023-11-28 23:41:19,862 INFO L899 garLoopResultBuilder]: For program point L526(lines 526 530) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 525 531) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point ldv_mallocFINAL(lines 525 531) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point ldv_mallocEXIT(lines 525 531) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point L762(lines 757 763) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point L659(line 659) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_create_returnLabel#1(lines 738 747) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point L659-1(line 659) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point L717(lines 717 718) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point L717-2(lines 717 718) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point ldv_kobject_init_returnLabel#1(lines 728 737) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 743) no Hoare annotation was computed. [2023-11-28 23:41:19,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 659) no Hoare annotation was computed. [2023-11-28 23:41:19,864 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))) [2023-11-28 23:41:19,864 INFO L899 garLoopResultBuilder]: For program point L730(lines 730 732) no Hoare annotation was computed. [2023-11-28 23:41:19,864 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|) (= (select (select |#memory_int#1| |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.base|) 12) 1) (= |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) (= |ULTIMATE.start_ldv_kobject_init_internal_~kobj#1.offset| 0) (not (= |ULTIMATE.start_ldv_kobject_init_~kobj#1.base| 0))) [2023-11-28 23:41:19,864 INFO L899 garLoopResultBuilder]: For program point L726-1(lines 721 727) no Hoare annotation was computed. [2023-11-28 23:41:19,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 659) no Hoare annotation was computed. [2023-11-28 23:41:19,864 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-28 23:41:19,864 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 724) no Hoare annotation was computed. [2023-11-28 23:41:19,864 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-28 23:41:19,865 INFO L895 garLoopResultBuilder]: At program point L761(line 761) 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 (= 2 (select (select |#memory_int#1| |ULTIMATE.start_entry_point_~kobj~2#1.base|) 12)) (not .cse1) .cse0))) [2023-11-28 23:41:19,865 INFO L895 garLoopResultBuilder]: At program point L761-1(line 761) 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) (let ((.cse2 (select (select |#memory_int#1| |ULTIMATE.start_entry_point_~kobj~2#1.base|) 12))) (and (not .cse1) .cse0 (<= .cse2 2) (<= 1 .cse2))))) [2023-11-28 23:41:19,865 INFO L902 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: true [2023-11-28 23:41:19,865 INFO L899 garLoopResultBuilder]: For program point L741-1(line 741) no Hoare annotation was computed. [2023-11-28 23:41:19,869 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 23:41:19,871 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 23:41:19,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable ~kobj~1 [2023-11-28 23:41:19,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:41:19 BoogieIcfgContainer [2023-11-28 23:41:19,882 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 23:41:19,883 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 23:41:19,883 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 23:41:19,883 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 23:41:19,884 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:39:08" (3/4) ... [2023-11-28 23:41:19,886 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-28 23:41:19,889 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2023-11-28 23:41:19,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure LDV_INIT_LIST_HEAD [2023-11-28 23:41:19,890 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_kobject_put [2023-11-28 23:41:19,896 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2023-11-28 23:41:19,897 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-28 23:41:19,897 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-28 23:41:19,898 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-28 23:41:19,997 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-28 23:41:19,998 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-28 23:41:19,998 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 23:41:19,999 INFO L158 Benchmark]: Toolchain (without parser) took 132558.08ms. Allocated memory was 163.6MB in the beginning and 264.2MB in the end (delta: 100.7MB). Free memory was 124.5MB in the beginning and 127.3MB in the end (delta: -2.8MB). Peak memory consumption was 99.9MB. Max. memory is 16.1GB. [2023-11-28 23:41:19,999 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 23:41:20,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.23ms. Allocated memory is still 163.6MB. Free memory was 124.0MB in the beginning and 102.4MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-28 23:41:20,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.40ms. Allocated memory is still 163.6MB. Free memory was 102.4MB in the beginning and 99.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 23:41:20,000 INFO L158 Benchmark]: Boogie Preprocessor took 56.21ms. Allocated memory is still 163.6MB. Free memory was 99.9MB in the beginning and 96.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-28 23:41:20,001 INFO L158 Benchmark]: RCFGBuilder took 446.49ms. Allocated memory is still 163.6MB. Free memory was 96.2MB in the beginning and 74.2MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-28 23:41:20,001 INFO L158 Benchmark]: TraceAbstraction took 131407.26ms. Allocated memory was 163.6MB in the beginning and 264.2MB in the end (delta: 100.7MB). Free memory was 73.6MB in the beginning and 133.6MB in the end (delta: -60.0MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2023-11-28 23:41:20,002 INFO L158 Benchmark]: Witness Printer took 115.29ms. Allocated memory is still 264.2MB. Free memory was 133.6MB in the beginning and 127.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-28 23:41:20,004 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 163.6MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.23ms. Allocated memory is still 163.6MB. Free memory was 124.0MB in the beginning and 102.4MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.40ms. Allocated memory is still 163.6MB. Free memory was 102.4MB in the beginning and 99.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.21ms. Allocated memory is still 163.6MB. Free memory was 99.9MB in the beginning and 96.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 446.49ms. Allocated memory is still 163.6MB. Free memory was 96.2MB in the beginning and 74.2MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 131407.26ms. Allocated memory was 163.6MB in the beginning and 264.2MB in the end (delta: 100.7MB). Free memory was 73.6MB in the beginning and 133.6MB in the end (delta: -60.0MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. * Witness Printer took 115.29ms. Allocated memory is still 264.2MB. Free memory was 133.6MB in the beginning and 127.3MB 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 * 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: 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 - 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 131.3s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 408 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 402 mSDsluCounter, 1323 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 253 IncrementalHoareTripleChecker+Unchecked, 1076 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2973 IncrementalHoareTripleChecker+Invalid, 3335 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 247 mSDtfsCounter, 2973 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 356 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 244 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 1557 ImplicationChecksByTransitivity, 121.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=3, InterpolantAutomatonStates: 156, 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, 13 MinimizatonAttempts, 64 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 39 PreInvPairs, 50 NumberOfFragments, 163 HoareAnnotationTreeSize, 39 FomulaSimplifications, 55 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 220 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 105.1s InterpolantComputationTime, 388 NumberOfCodeBlocks, 388 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 370 ConstructedInterpolants, 5 QuantifiedInterpolants, 2011 SizeOfPredicates, 220 NumberOfNonLiveVariables, 1360 ConjunctsInSsa, 572 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 7/31 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 Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-11-28 23:41:20,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba38bf30-aca9-42c7-a03a-15ffc79a8df2/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE