./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU --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 c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:29,352 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:29,433 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:01:29,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:29,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:29,483 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:29,486 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:29,486 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:29,487 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:29,487 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:29,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:29,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:29,490 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:29,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:29,492 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:29,493 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:29,493 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:29,493 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:01:29,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:29,494 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:01:29,496 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:29,496 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:29,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:29,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:29,500 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:29,500 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:01:29,500 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:01:29,500 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:01:29,501 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:29,501 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:29,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:29,501 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:29,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:01:29,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:29,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:29,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:29,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:29,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:29,505 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:29,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:01:29,505 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:29,506 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:29,506 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:29,506 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:29,506 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_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2bb9f0c15e3c3296f863c26b4377b27546cf1c417a60e9663a6ff48eb617ef8 [2024-10-31 22:01:29,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:29,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:29,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:29,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:29,850 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:29,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i Unable to find full path for "g++" [2024-10-31 22:01:32,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:32,544 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:32,545 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test7-1.i [2024-10-31 22:01:32,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/data/3805ecc94/0ae381ccbfb54416977395452c7bc835/FLAG7bd3700f0 [2024-10-31 22:01:32,748 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/data/3805ecc94/0ae381ccbfb54416977395452c7bc835 [2024-10-31 22:01:32,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:32,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:32,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:32,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:32,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:32,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:32" (1/1) ... [2024-10-31 22:01:32,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce2142 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:32, skipping insertion in model container [2024-10-31 22:01:32,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:32" (1/1) ... [2024-10-31 22:01:32,843 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:33,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:33,562 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:33,684 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:33,753 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:33,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33 WrapperNode [2024-10-31 22:01:33,754 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:33,755 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:33,755 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:33,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:33,764 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:33,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:33,886 INFO L138 Inliner]: procedures = 176, calls = 272, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1429 [2024-10-31 22:01:33,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:33,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:33,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:33,888 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:33,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:33,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:33,928 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:34,036 INFO L175 MemorySlicer]: Split 253 memory accesses to 3 slices as follows [2, 34, 217]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-10-31 22:01:34,037 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:34,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:34,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:34,119 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:34,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:34,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:34,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:34,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:34,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:34,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:34,157 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (1/1) ... [2024-10-31 22:01:34,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:34,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:34,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:34,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-10-31 22:01:34,233 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-10-31 22:01:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:01:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:01:34,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:01:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:01:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:01:34,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:01:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 22:01:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 22:01:34,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-31 22:01:34,236 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 22:01:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 22:01:34,237 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-31 22:01:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:01:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:01:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:01:34,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:01:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:01:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:01:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:01:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:01:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:01:34,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:01:34,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:01:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:01:34,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:34,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:34,520 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:34,523 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:01:36,389 INFO L? ?]: Removed 319 outVars from TransFormulas that were not future-live. [2024-10-31 22:01:36,389 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:01:36,420 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:01:36,424 INFO L316 CfgBuilder]: Removed 63 assume(true) statements. [2024-10-31 22:01:36,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:36 BoogieIcfgContainer [2024-10-31 22:01:36,425 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:01:36,427 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:01:36,428 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:01:36,431 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:01:36,432 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:32" (1/3) ... [2024-10-31 22:01:36,432 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533e3f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:36, skipping insertion in model container [2024-10-31 22:01:36,433 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:33" (2/3) ... [2024-10-31 22:01:36,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@533e3f1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:01:36, skipping insertion in model container [2024-10-31 22:01:36,435 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:01:36" (3/3) ... [2024-10-31 22:01:36,436 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test7-1.i [2024-10-31 22:01:36,511 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:01:36,515 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-31 22:01:36,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:01:36,666 INFO L333 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, 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;@7d8c5f8b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:01:36,667 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-31 22:01:36,673 INFO L276 IsEmpty]: Start isEmpty. Operand has 409 states, 395 states have (on average 1.6278481012658228) internal successors, (643), 402 states have internal predecessors, (643), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-31 22:01:36,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:01:36,681 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:36,682 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:36,682 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:01:36,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:36,691 INFO L85 PathProgramCache]: Analyzing trace with hash 170881670, now seen corresponding path program 1 times [2024-10-31 22:01:36,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:36,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513125462] [2024-10-31 22:01:36,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:36,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:36,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:36,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513125462] [2024-10-31 22:01:36,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513125462] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:36,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:36,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:01:36,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079619614] [2024-10-31 22:01:36,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:36,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:01:36,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:36,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:01:36,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:01:36,981 INFO L87 Difference]: Start difference. First operand has 409 states, 395 states have (on average 1.6278481012658228) internal successors, (643), 402 states have internal predecessors, (643), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-10-31 22:01:37,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:37,082 INFO L93 Difference]: Finished difference Result 813 states and 1302 transitions. [2024-10-31 22:01:37,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:01:37,085 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 22:01:37,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:37,097 INFO L225 Difference]: With dead ends: 813 [2024-10-31 22:01:37,097 INFO L226 Difference]: Without dead ends: 397 [2024-10-31 22:01:37,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:01:37,109 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:37,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 580 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:01:37,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-10-31 22:01:37,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2024-10-31 22:01:37,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 387 states have (on average 1.4573643410852712) internal successors, (564), 392 states have internal predecessors, (564), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 22:01:37,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 570 transitions. [2024-10-31 22:01:37,204 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 570 transitions. Word has length 7 [2024-10-31 22:01:37,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:37,204 INFO L471 AbstractCegarLoop]: Abstraction has 397 states and 570 transitions. [2024-10-31 22:01:37,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2024-10-31 22:01:37,205 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 570 transitions. [2024-10-31 22:01:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:01:37,206 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:37,206 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:37,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:01:37,207 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:01:37,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:37,208 INFO L85 PathProgramCache]: Analyzing trace with hash 170883592, now seen corresponding path program 1 times [2024-10-31 22:01:37,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:37,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884544749] [2024-10-31 22:01:37,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:37,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:01:37,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675737549] [2024-10-31 22:01:37,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:37,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:37,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:37,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:37,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:01:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:37,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:01:37,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:37,502 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 [2024-10-31 22:01:37,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:37,554 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:01:37,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:37,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884544749] [2024-10-31 22:01:37,555 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:01:37,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675737549] [2024-10-31 22:01:37,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675737549] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:37,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:37,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:37,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235820425] [2024-10-31 22:01:37,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:37,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:01:37,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:37,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:01:37,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:01:37,567 INFO L87 Difference]: Start difference. First operand 397 states and 570 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-31 22:01:37,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:37,804 INFO L93 Difference]: Finished difference Result 788 states and 1134 transitions. [2024-10-31 22:01:37,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:01:37,805 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-31 22:01:37,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:37,811 INFO L225 Difference]: With dead ends: 788 [2024-10-31 22:01:37,811 INFO L226 Difference]: Without dead ends: 786 [2024-10-31 22:01:37,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:37,813 INFO L432 NwaCegarLoop]: 590 mSDtfsCounter, 551 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:37,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 1722 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:01:37,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2024-10-31 22:01:37,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 403. [2024-10-31 22:01:37,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4529262086513994) internal successors, (571), 398 states have internal predecessors, (571), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 22:01:37,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 577 transitions. [2024-10-31 22:01:37,858 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 577 transitions. Word has length 7 [2024-10-31 22:01:37,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:37,859 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 577 transitions. [2024-10-31 22:01:37,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-10-31 22:01:37,859 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 577 transitions. [2024-10-31 22:01:37,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-10-31 22:01:37,862 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:37,863 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:37,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:01:38,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:38,065 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:01:38,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:38,066 INFO L85 PathProgramCache]: Analyzing trace with hash 84879958, now seen corresponding path program 1 times [2024-10-31 22:01:38,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:38,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389164842] [2024-10-31 22:01:38,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:38,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:38,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:38,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:38,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389164842] [2024-10-31 22:01:38,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389164842] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:38,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:38,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:01:38,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821192522] [2024-10-31 22:01:38,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:38,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:01:38,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:38,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:01:38,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:01:38,609 INFO L87 Difference]: Start difference. First operand 403 states and 577 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2024-10-31 22:01:38,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:38,787 INFO L93 Difference]: Finished difference Result 973 states and 1404 transitions. [2024-10-31 22:01:38,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:01:38,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71 [2024-10-31 22:01:38,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:38,791 INFO L225 Difference]: With dead ends: 973 [2024-10-31 22:01:38,791 INFO L226 Difference]: Without dead ends: 785 [2024-10-31 22:01:38,792 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:38,794 INFO L432 NwaCegarLoop]: 549 mSDtfsCounter, 552 mSDsluCounter, 1092 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 1641 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:38,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 1641 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:01:38,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2024-10-31 22:01:38,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 403. [2024-10-31 22:01:38,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.450381679389313) internal successors, (570), 398 states have internal predecessors, (570), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 22:01:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 576 transitions. [2024-10-31 22:01:38,819 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 576 transitions. Word has length 71 [2024-10-31 22:01:38,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:38,819 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 576 transitions. [2024-10-31 22:01:38,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2024-10-31 22:01:38,821 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 576 transitions. [2024-10-31 22:01:38,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-31 22:01:38,824 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:38,824 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:38,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:01:38,827 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:01:38,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:38,828 INFO L85 PathProgramCache]: Analyzing trace with hash 205854116, now seen corresponding path program 1 times [2024-10-31 22:01:38,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:38,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479428727] [2024-10-31 22:01:38,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:38,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:39,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:39,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479428727] [2024-10-31 22:01:39,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479428727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:39,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:39,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:39,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496268455] [2024-10-31 22:01:39,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:39,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:01:39,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:39,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:01:39,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:39,258 INFO L87 Difference]: Start difference. First operand 403 states and 576 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-10-31 22:01:39,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:39,375 INFO L93 Difference]: Finished difference Result 801 states and 1147 transitions. [2024-10-31 22:01:39,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:01:39,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-31 22:01:39,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:39,378 INFO L225 Difference]: With dead ends: 801 [2024-10-31 22:01:39,379 INFO L226 Difference]: Without dead ends: 406 [2024-10-31 22:01:39,380 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:39,380 INFO L432 NwaCegarLoop]: 542 mSDtfsCounter, 102 mSDsluCounter, 1065 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 1607 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:39,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 1607 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:01:39,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-10-31 22:01:39,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 403. [2024-10-31 22:01:39,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 393 states have (on average 1.4325699745547074) internal successors, (563), 398 states have internal predecessors, (563), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 22:01:39,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 569 transitions. [2024-10-31 22:01:39,429 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 569 transitions. Word has length 81 [2024-10-31 22:01:39,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:39,430 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 569 transitions. [2024-10-31 22:01:39,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 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) [2024-10-31 22:01:39,430 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 569 transitions. [2024-10-31 22:01:39,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-10-31 22:01:39,436 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:39,437 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:39,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:01:39,437 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:01:39,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:39,438 INFO L85 PathProgramCache]: Analyzing trace with hash 774993816, now seen corresponding path program 1 times [2024-10-31 22:01:39,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:39,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141679051] [2024-10-31 22:01:39,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:39,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:39,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:01:39,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:39,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141679051] [2024-10-31 22:01:39,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141679051] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:39,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:39,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:01:39,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032940584] [2024-10-31 22:01:39,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:39,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:01:39,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:39,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:01:39,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:39,662 INFO L87 Difference]: Start difference. First operand 403 states and 569 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-10-31 22:01:39,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:39,792 INFO L93 Difference]: Finished difference Result 1090 states and 1559 transitions. [2024-10-31 22:01:39,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:01:39,793 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 81 [2024-10-31 22:01:39,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:39,797 INFO L225 Difference]: With dead ends: 1090 [2024-10-31 22:01:39,798 INFO L226 Difference]: Without dead ends: 695 [2024-10-31 22:01:39,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:01:39,799 INFO L432 NwaCegarLoop]: 748 mSDtfsCounter, 372 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:39,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1288 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:01:39,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2024-10-31 22:01:39,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 692. [2024-10-31 22:01:39,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 682 states have (on average 1.4501466275659824) internal successors, (989), 687 states have internal predecessors, (989), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 22:01:39,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 995 transitions. [2024-10-31 22:01:39,827 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 995 transitions. Word has length 81 [2024-10-31 22:01:39,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:39,827 INFO L471 AbstractCegarLoop]: Abstraction has 692 states and 995 transitions. [2024-10-31 22:01:39,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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) [2024-10-31 22:01:39,828 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 995 transitions. [2024-10-31 22:01:39,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-31 22:01:39,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:39,829 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:39,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:01:39,830 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:01:39,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:39,831 INFO L85 PathProgramCache]: Analyzing trace with hash -1381456899, now seen corresponding path program 1 times [2024-10-31 22:01:39,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:39,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3491401] [2024-10-31 22:01:39,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:39,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:39,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:40,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:01:40,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:40,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 22:01:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:40,073 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:01:40,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:40,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3491401] [2024-10-31 22:01:40,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3491401] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:40,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:40,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:01:40,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548437867] [2024-10-31 22:01:40,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:40,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:01:40,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:40,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:01:40,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:01:40,077 INFO L87 Difference]: Start difference. First operand 692 states and 995 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:01:40,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:40,505 INFO L93 Difference]: Finished difference Result 1321 states and 1906 transitions. [2024-10-31 22:01:40,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:01:40,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-10-31 22:01:40,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:40,510 INFO L225 Difference]: With dead ends: 1321 [2024-10-31 22:01:40,510 INFO L226 Difference]: Without dead ends: 707 [2024-10-31 22:01:40,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:01:40,512 INFO L432 NwaCegarLoop]: 556 mSDtfsCounter, 4 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:40,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1576 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:01:40,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-10-31 22:01:40,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 704. [2024-10-31 22:01:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 694 states have (on average 1.442363112391931) internal successors, (1001), 699 states have internal predecessors, (1001), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 22:01:40,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 1007 transitions. [2024-10-31 22:01:40,533 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 1007 transitions. Word has length 96 [2024-10-31 22:01:40,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:40,533 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 1007 transitions. [2024-10-31 22:01:40,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 3 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:01:40,534 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1007 transitions. [2024-10-31 22:01:40,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-10-31 22:01:40,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:40,535 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:40,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:01:40,535 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:01:40,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:40,536 INFO L85 PathProgramCache]: Analyzing trace with hash 304722939, now seen corresponding path program 1 times [2024-10-31 22:01:40,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:40,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720856364] [2024-10-31 22:01:40,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:40,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:41,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:01:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:41,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 22:01:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:41,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:01:41,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:41,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720856364] [2024-10-31 22:01:41,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720856364] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:41,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:41,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:01:41,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090282803] [2024-10-31 22:01:41,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:41,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:01:41,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:41,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:01:41,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:41,049 INFO L87 Difference]: Start difference. First operand 704 states and 1007 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:01:41,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:41,565 INFO L93 Difference]: Finished difference Result 993 states and 1419 transitions. [2024-10-31 22:01:41,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:01:41,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 96 [2024-10-31 22:01:41,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:41,574 INFO L225 Difference]: With dead ends: 993 [2024-10-31 22:01:41,574 INFO L226 Difference]: Without dead ends: 991 [2024-10-31 22:01:41,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:01:41,576 INFO L432 NwaCegarLoop]: 584 mSDtfsCounter, 462 mSDsluCounter, 1612 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 2196 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:41,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 2196 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:01:41,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 991 states. [2024-10-31 22:01:41,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 991 to 768. [2024-10-31 22:01:41,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 755 states have (on average 1.429139072847682) internal successors, (1079), 760 states have internal predecessors, (1079), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:01:41,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1091 transitions. [2024-10-31 22:01:41,609 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1091 transitions. Word has length 96 [2024-10-31 22:01:41,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:41,610 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 1091 transitions. [2024-10-31 22:01:41,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:01:41,610 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1091 transitions. [2024-10-31 22:01:41,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-31 22:01:41,611 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:41,612 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:41,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:01:41,612 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:01:41,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:41,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1414518746, now seen corresponding path program 1 times [2024-10-31 22:01:41,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:41,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924798167] [2024-10-31 22:01:41,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:41,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:42,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:01:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:42,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 22:01:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:42,202 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:01:42,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:42,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924798167] [2024-10-31 22:01:42,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924798167] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:42,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101064480] [2024-10-31 22:01:42,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:42,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:42,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:42,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:42,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:01:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:42,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-31 22:01:42,618 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:01:42,623 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 [2024-10-31 22:01:42,655 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 [2024-10-31 22:01:42,693 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 22 [2024-10-31 22:01:43,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-31 22:01:43,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 55 [2024-10-31 22:01:44,034 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:01:44,034 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:01:44,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101064480] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:44,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:01:44,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-10-31 22:01:44,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060563385] [2024-10-31 22:01:44,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:44,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-31 22:01:44,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:44,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-31 22:01:44,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:01:44,037 INFO L87 Difference]: Start difference. First operand 768 states and 1091 transitions. Second operand has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:01:47,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:47,171 INFO L93 Difference]: Finished difference Result 1701 states and 2417 transitions. [2024-10-31 22:01:47,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-31 22:01:47,171 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-10-31 22:01:47,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:47,176 INFO L225 Difference]: With dead ends: 1701 [2024-10-31 22:01:47,177 INFO L226 Difference]: Without dead ends: 1027 [2024-10-31 22:01:47,178 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2024-10-31 22:01:47,179 INFO L432 NwaCegarLoop]: 529 mSDtfsCounter, 829 mSDsluCounter, 2852 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 831 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:47,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [831 Valid, 3381 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1166 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-10-31 22:01:47,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2024-10-31 22:01:47,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 800. [2024-10-31 22:01:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 787 states have (on average 1.418043202033037) internal successors, (1116), 792 states have internal predecessors, (1116), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:01:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 1128 transitions. [2024-10-31 22:01:47,212 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 1128 transitions. Word has length 102 [2024-10-31 22:01:47,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:47,213 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 1128 transitions. [2024-10-31 22:01:47,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.636363636363637) internal successors, (95), 11 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:01:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1128 transitions. [2024-10-31 22:01:47,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-10-31 22:01:47,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:47,214 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:47,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:01:47,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-31 22:01:47,415 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:01:47,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1237580638, now seen corresponding path program 1 times [2024-10-31 22:01:47,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:47,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68968691] [2024-10-31 22:01:47,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:47,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:47,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-31 22:01:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:47,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 22:01:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 22:01:47,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:47,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68968691] [2024-10-31 22:01:47,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68968691] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:01:47,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:01:47,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:01:47,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708155301] [2024-10-31 22:01:47,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:01:47,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:01:47,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:01:47,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:01:47,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:01:47,616 INFO L87 Difference]: Start difference. First operand 800 states and 1128 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:01:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:01:47,962 INFO L93 Difference]: Finished difference Result 1433 states and 2027 transitions. [2024-10-31 22:01:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:01:47,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 102 [2024-10-31 22:01:47,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:01:47,966 INFO L225 Difference]: With dead ends: 1433 [2024-10-31 22:01:47,966 INFO L226 Difference]: Without dead ends: 663 [2024-10-31 22:01:47,968 INFO L431 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 [2024-10-31 22:01:47,968 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 12 mSDsluCounter, 1311 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 1777 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:01:47,969 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 1777 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:01:47,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2024-10-31 22:01:48,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 660. [2024-10-31 22:01:48,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 647 states have (on average 1.4003091190108192) internal successors, (906), 652 states have internal predecessors, (906), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-10-31 22:01:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 918 transitions. [2024-10-31 22:01:48,027 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 918 transitions. Word has length 102 [2024-10-31 22:01:48,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:01:48,028 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 918 transitions. [2024-10-31 22:01:48,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:01:48,028 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 918 transitions. [2024-10-31 22:01:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-10-31 22:01:48,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:01:48,030 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:01:48,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:01:48,030 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:01:48,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:01:48,033 INFO L85 PathProgramCache]: Analyzing trace with hash -115149389, now seen corresponding path program 1 times [2024-10-31 22:01:48,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:01:48,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912769805] [2024-10-31 22:01:48,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:48,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:01:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:48,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-31 22:01:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-31 22:01:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:48,628 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:01:48,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:01:48,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912769805] [2024-10-31 22:01:48,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912769805] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:01:48,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979397451] [2024-10-31 22:01:48,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:01:48,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:01:48,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:48,631 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:01:48,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8efb5fc-bf0c-4947-be69-c4bcafc83fb4/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:01:49,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:01:49,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 604 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-31 22:01:49,036 INFO L278 TraceCheckSpWp]: Computing forward predicates...