./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/rm-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB --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 64bit --witnessprinter.graph.data.programhash 59e9a970db574e887b8f20a3b70f02a1835d825d4580388273c8fd31c622f7ca --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:39:23,124 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:39:23,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 04:39:23,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:39:23,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:39:23,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:39:23,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:39:23,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:39:23,259 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:39:23,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:39:23,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:39:23,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:39:23,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:39:23,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:39:23,261 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:39:23,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:39:23,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:39:23,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:39:23,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:39:23,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:39:23,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:39:23,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:39:23,263 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:39:23,263 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:39:23,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:39:23,263 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:39:23,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:39:23,264 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:39:23,264 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:39:23,264 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:39:23,264 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:39:23,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:39:23,265 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:39:23,265 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:39:23,265 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:39:23,265 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:39:23,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:39:23,266 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:39:23,266 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:39:23,266 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:39:23,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:39:23,266 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:39:23,266 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:39:23,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:39:23,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:39:23,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:39:23,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:39:23,267 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59e9a970db574e887b8f20a3b70f02a1835d825d4580388273c8fd31c622f7ca [2024-11-28 04:39:23,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:39:23,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:39:23,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:39:23,614 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:39:23,614 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:39:23,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2024-11-28 04:39:26,603 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/data/8fd24b880/8c4c1bf527ad41c28680b2b6a5efd4e4/FLAG76f5ee246 [2024-11-28 04:39:27,186 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:39:27,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2024-11-28 04:39:27,214 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/data/8fd24b880/8c4c1bf527ad41c28680b2b6a5efd4e4/FLAG76f5ee246 [2024-11-28 04:39:27,234 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/data/8fd24b880/8c4c1bf527ad41c28680b2b6a5efd4e4 [2024-11-28 04:39:27,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:39:27,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:39:27,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:39:27,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:39:27,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:39:27,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:27" (1/1) ... [2024-11-28 04:39:27,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@547e6a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:27, skipping insertion in model container [2024-11-28 04:39:27,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:39:27" (1/1) ... [2024-11-28 04:39:27,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:39:29,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:39:29,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:39:29,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:39:29,474 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: vasprintf [2024-11-28 04:39:29,484 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:39:29,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29 WrapperNode [2024-11-28 04:39:29,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:39:29,486 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:39:29,486 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:39:29,486 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:39:29,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,548 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,677 INFO L138 Inliner]: procedures = 665, calls = 1116, calls flagged for inlining = 33, calls inlined = 32, statements flattened = 2812 [2024-11-28 04:39:29,677 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:39:29,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:39:29,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:39:29,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:39:29,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,709 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,722 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-28 04:39:29,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,805 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,855 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,872 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:39:29,873 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:39:29,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:39:29,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:39:29,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (1/1) ... [2024-11-28 04:39:29,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:39:29,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:29,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:39:29,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:39:29,959 INFO L130 BoogieDeclarations]: Found specification of procedure last_char_is [2024-11-28 04:39:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure last_char_is [2024-11-28 04:39:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure vasprintf [2024-11-28 04:39:29,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vasprintf [2024-11-28 04:39:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:39:29,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2024-11-28 04:39:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-11-28 04:39:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-11-28 04:39:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-28 04:39:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:39:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure bb_ask_confirmation [2024-11-28 04:39:29,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_ask_confirmation [2024-11-28 04:39:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:39:29,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:39:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-28 04:39:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:39:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:39:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2024-11-28 04:39:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2024-11-28 04:39:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2024-11-28 04:39:29,962 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2024-11-28 04:39:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2024-11-28 04:39:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-28 04:39:29,962 INFO L130 BoogieDeclarations]: Found specification of procedure remove_file [2024-11-28 04:39:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_file [2024-11-28 04:39:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure access [2024-11-28 04:39:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure access [2024-11-28 04:39:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-11-28 04:39:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-11-28 04:39:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:39:29,963 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:39:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:39:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-28 04:39:29,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-28 04:39:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure bb_show_usage [2024-11-28 04:39:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_show_usage [2024-11-28 04:39:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:39:29,966 INFO L130 BoogieDeclarations]: Found specification of procedure bb_perror_msg [2024-11-28 04:39:29,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_perror_msg [2024-11-28 04:39:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure isatty [2024-11-28 04:39:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isatty [2024-11-28 04:39:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2024-11-28 04:39:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2024-11-28 04:39:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:39:29,967 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg [2024-11-28 04:39:29,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg [2024-11-28 04:39:30,601 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:39:30,604 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:39:34,675 INFO L? ?]: Removed 758 outVars from TransFormulas that were not future-live. [2024-11-28 04:39:34,675 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:39:34,702 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:39:34,702 INFO L312 CfgBuilder]: Removed 37 assume(true) statements. [2024-11-28 04:39:34,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:34 BoogieIcfgContainer [2024-11-28 04:39:34,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:39:34,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:39:34,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:39:34,713 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:39:34,717 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:39:27" (1/3) ... [2024-11-28 04:39:34,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bf883a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:39:34, skipping insertion in model container [2024-11-28 04:39:34,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:39:29" (2/3) ... [2024-11-28 04:39:34,718 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31bf883a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:39:34, skipping insertion in model container [2024-11-28 04:39:34,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:39:34" (3/3) ... [2024-11-28 04:39:34,719 INFO L128 eAbstractionObserver]: Analyzing ICFG rm-1.i [2024-11-28 04:39:34,746 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:39:34,750 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rm-1.i that has 16 procedures, 717 locations, 1 initial locations, 34 loop locations, and 62 error locations. [2024-11-28 04:39:34,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:39:34,865 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;@33a4b71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:39:34,865 INFO L334 AbstractCegarLoop]: Starting to check reachability of 62 error locations. [2024-11-28 04:39:34,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 717 states, 589 states have (on average 1.6078098471986417) internal successors, (947), 657 states have internal predecessors, (947), 50 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-28 04:39:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 04:39:34,882 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:34,883 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 04:39:34,883 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:34,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:34,892 INFO L85 PathProgramCache]: Analyzing trace with hash 721522236, now seen corresponding path program 1 times [2024-11-28 04:39:34,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:34,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941955177] [2024-11-28 04:39:34,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:34,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:36,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:39:36,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:36,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941955177] [2024-11-28 04:39:36,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941955177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:36,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:39:36,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:39:36,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760554745] [2024-11-28 04:39:36,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:36,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:39:36,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:36,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:39:36,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:36,195 INFO L87 Difference]: Start difference. First operand has 717 states, 589 states have (on average 1.6078098471986417) internal successors, (947), 657 states have internal predecessors, (947), 50 states have call successors, (50), 15 states have call predecessors, (50), 15 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-28 04:39:36,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:36,398 INFO L93 Difference]: Finished difference Result 1339 states and 2002 transitions. [2024-11-28 04:39:36,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:39:36,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2024-11-28 04:39:36,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:36,413 INFO L225 Difference]: With dead ends: 1339 [2024-11-28 04:39:36,413 INFO L226 Difference]: Without dead ends: 623 [2024-11-28 04:39:36,421 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:36,424 INFO L435 NwaCegarLoop]: 878 mSDtfsCounter, 1 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1750 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:36,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1750 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:36,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-11-28 04:39:36,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2024-11-28 04:39:36,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 522 states have (on average 1.528735632183908) internal successors, (798), 572 states have internal predecessors, (798), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:36,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 881 transitions. [2024-11-28 04:39:36,536 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 881 transitions. Word has length 5 [2024-11-28 04:39:36,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:36,536 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 881 transitions. [2024-11-28 04:39:36,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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) [2024-11-28 04:39:36,537 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 881 transitions. [2024-11-28 04:39:36,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-28 04:39:36,537 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:36,537 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:39:36,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:39:36,540 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:36,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:36,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1740467530, now seen corresponding path program 1 times [2024-11-28 04:39:36,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:36,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878044129] [2024-11-28 04:39:36,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:36,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:37,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:39:37,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:37,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878044129] [2024-11-28 04:39:37,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878044129] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:37,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780037970] [2024-11-28 04:39:37,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:37,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:37,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:37,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:37,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:39:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:38,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 1735 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:39:38,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:39:38,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:39:38,067 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:39:38,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780037970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:38,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:39:38,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 04:39:38,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836132970] [2024-11-28 04:39:38,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:38,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:39:38,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:38,072 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:39:38,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:38,072 INFO L87 Difference]: Start difference. First operand 623 states and 881 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-28 04:39:38,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:38,168 INFO L93 Difference]: Finished difference Result 623 states and 881 transitions. [2024-11-28 04:39:38,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:39:38,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2024-11-28 04:39:38,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:38,177 INFO L225 Difference]: With dead ends: 623 [2024-11-28 04:39:38,177 INFO L226 Difference]: Without dead ends: 622 [2024-11-28 04:39:38,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:38,178 INFO L435 NwaCegarLoop]: 870 mSDtfsCounter, 1 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1738 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:38,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1738 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:38,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-28 04:39:38,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 622. [2024-11-28 04:39:38,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 522 states have (on average 1.5268199233716475) internal successors, (797), 571 states have internal predecessors, (797), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 880 transitions. [2024-11-28 04:39:38,231 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 880 transitions. Word has length 9 [2024-11-28 04:39:38,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:38,231 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 880 transitions. [2024-11-28 04:39:38,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-28 04:39:38,232 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 880 transitions. [2024-11-28 04:39:38,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-28 04:39:38,232 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:38,232 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-28 04:39:38,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:39:38,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:38,436 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:38,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:38,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1880082190, now seen corresponding path program 1 times [2024-11-28 04:39:38,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:38,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110054329] [2024-11-28 04:39:38,437 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:38,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:38,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:39:38,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:38,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110054329] [2024-11-28 04:39:38,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110054329] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:38,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:39:38,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:39:38,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650152344] [2024-11-28 04:39:38,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:38,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:39:38,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:38,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:39:38,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:38,960 INFO L87 Difference]: Start difference. First operand 622 states and 880 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:39:39,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:39,030 INFO L93 Difference]: Finished difference Result 622 states and 880 transitions. [2024-11-28 04:39:39,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:39:39,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-28 04:39:39,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:39,035 INFO L225 Difference]: With dead ends: 622 [2024-11-28 04:39:39,037 INFO L226 Difference]: Without dead ends: 621 [2024-11-28 04:39:39,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:39,040 INFO L435 NwaCegarLoop]: 871 mSDtfsCounter, 0 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1739 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:39,041 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1739 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:39,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2024-11-28 04:39:39,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 618. [2024-11-28 04:39:39,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 519 states have (on average 1.5279383429672446) internal successors, (793), 567 states have internal predecessors, (793), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:39,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 876 transitions. [2024-11-28 04:39:39,087 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 876 transitions. Word has length 10 [2024-11-28 04:39:39,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:39,088 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 876 transitions. [2024-11-28 04:39:39,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:39:39,088 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 876 transitions. [2024-11-28 04:39:39,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-28 04:39:39,089 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:39,089 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:39,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:39:39,089 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:39,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:39,090 INFO L85 PathProgramCache]: Analyzing trace with hash -1019699490, now seen corresponding path program 1 times [2024-11-28 04:39:39,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:39,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766051429] [2024-11-28 04:39:39,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:39,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:39,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:39:39,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:39,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766051429] [2024-11-28 04:39:39,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766051429] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:39,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011774416] [2024-11-28 04:39:39,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:39,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:39,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:39,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:39,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:39:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:40,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 1752 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:39:40,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:39:40,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 04:39:40,547 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:39:40,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011774416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:40,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:39:40,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 04:39:40,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906810912] [2024-11-28 04:39:40,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:40,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:39:40,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:40,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:39:40,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:40,549 INFO L87 Difference]: Start difference. First operand 618 states and 876 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:40,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:40,612 INFO L93 Difference]: Finished difference Result 618 states and 876 transitions. [2024-11-28 04:39:40,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:39:40,613 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-11-28 04:39:40,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:40,616 INFO L225 Difference]: With dead ends: 618 [2024-11-28 04:39:40,619 INFO L226 Difference]: Without dead ends: 616 [2024-11-28 04:39:40,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:40,620 INFO L435 NwaCegarLoop]: 863 mSDtfsCounter, 541 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 553 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:40,621 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [553 Valid, 1178 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:40,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-11-28 04:39:40,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 616. [2024-11-28 04:39:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 519 states have (on average 1.5240847784200386) internal successors, (791), 565 states have internal predecessors, (791), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:40,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 874 transitions. [2024-11-28 04:39:40,670 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 874 transitions. Word has length 14 [2024-11-28 04:39:40,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:40,671 INFO L471 AbstractCegarLoop]: Abstraction has 616 states and 874 transitions. [2024-11-28 04:39:40,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:40,671 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 874 transitions. [2024-11-28 04:39:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-28 04:39:40,672 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:40,673 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:40,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:39:40,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:40,877 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:40,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:40,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1545912337, now seen corresponding path program 1 times [2024-11-28 04:39:40,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:40,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837355948] [2024-11-28 04:39:40,878 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:40,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:41,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:39:41,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:41,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837355948] [2024-11-28 04:39:41,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837355948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:41,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594292946] [2024-11-28 04:39:41,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:41,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:41,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:41,375 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:41,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:39:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:42,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:39:42,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:39:42,211 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:39:42,211 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:39:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:39:42,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594292946] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:39:42,268 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:39:42,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 04:39:42,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767200392] [2024-11-28 04:39:42,269 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:39:42,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:39:42,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:42,270 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:39:42,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:39:42,272 INFO L87 Difference]: Start difference. First operand 616 states and 874 transitions. Second operand has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:39:42,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:42,387 INFO L93 Difference]: Finished difference Result 1237 states and 1755 transitions. [2024-11-28 04:39:42,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:39:42,389 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-28 04:39:42,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:42,395 INFO L225 Difference]: With dead ends: 1237 [2024-11-28 04:39:42,396 INFO L226 Difference]: Without dead ends: 628 [2024-11-28 04:39:42,397 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:39:42,401 INFO L435 NwaCegarLoop]: 869 mSDtfsCounter, 6 mSDsluCounter, 1732 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2601 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:42,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2601 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:42,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2024-11-28 04:39:42,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 628. [2024-11-28 04:39:42,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 531 states have (on average 1.512241054613936) internal successors, (803), 577 states have internal predecessors, (803), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 886 transitions. [2024-11-28 04:39:42,437 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 886 transitions. Word has length 15 [2024-11-28 04:39:42,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:42,437 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 886 transitions. [2024-11-28 04:39:42,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.857142857142857) internal successors, (27), 7 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:39:42,438 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 886 transitions. [2024-11-28 04:39:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-28 04:39:42,438 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:42,438 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:42,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:39:42,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:42,643 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:42,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:42,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1327084765, now seen corresponding path program 2 times [2024-11-28 04:39:42,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:42,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676238601] [2024-11-28 04:39:42,644 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:39:42,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:42,892 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:39:42,893 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:39:43,258 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:39:43,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:43,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676238601] [2024-11-28 04:39:43,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676238601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:43,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:39:43,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 04:39:43,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662200711] [2024-11-28 04:39:43,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:43,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:39:43,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:43,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:39:43,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:43,260 INFO L87 Difference]: Start difference. First operand 628 states and 886 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:43,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:43,435 INFO L93 Difference]: Finished difference Result 628 states and 886 transitions. [2024-11-28 04:39:43,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:39:43,436 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-28 04:39:43,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:43,439 INFO L225 Difference]: With dead ends: 628 [2024-11-28 04:39:43,439 INFO L226 Difference]: Without dead ends: 626 [2024-11-28 04:39:43,440 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:43,442 INFO L435 NwaCegarLoop]: 852 mSDtfsCounter, 540 mSDsluCounter, 1987 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 552 SdHoareTripleChecker+Valid, 2839 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:43,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [552 Valid, 2839 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:39:43,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-11-28 04:39:43,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2024-11-28 04:39:43,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 531 states have (on average 1.5084745762711864) internal successors, (801), 575 states have internal predecessors, (801), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:43,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 884 transitions. [2024-11-28 04:39:43,479 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 884 transitions. Word has length 27 [2024-11-28 04:39:43,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:43,480 INFO L471 AbstractCegarLoop]: Abstraction has 626 states and 884 transitions. [2024-11-28 04:39:43,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:43,480 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 884 transitions. [2024-11-28 04:39:43,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 04:39:43,481 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:43,481 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:43,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:39:43,481 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:43,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:43,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1752377856, now seen corresponding path program 1 times [2024-11-28 04:39:43,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:43,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472808406] [2024-11-28 04:39:43,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:43,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:44,011 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:39:44,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:44,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472808406] [2024-11-28 04:39:44,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472808406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:44,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:39:44,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:39:44,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672253318] [2024-11-28 04:39:44,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:44,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:39:44,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:44,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:39:44,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:44,014 INFO L87 Difference]: Start difference. First operand 626 states and 884 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:44,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:44,090 INFO L93 Difference]: Finished difference Result 1231 states and 1748 transitions. [2024-11-28 04:39:44,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:39:44,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-28 04:39:44,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:44,098 INFO L225 Difference]: With dead ends: 1231 [2024-11-28 04:39:44,099 INFO L226 Difference]: Without dead ends: 630 [2024-11-28 04:39:44,100 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:44,102 INFO L435 NwaCegarLoop]: 867 mSDtfsCounter, 1 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1728 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:44,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1728 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:44,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2024-11-28 04:39:44,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 630. [2024-11-28 04:39:44,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 535 states have (on average 1.5046728971962617) internal successors, (805), 579 states have internal predecessors, (805), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:44,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 888 transitions. [2024-11-28 04:39:44,135 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 888 transitions. Word has length 34 [2024-11-28 04:39:44,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:44,136 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 888 transitions. [2024-11-28 04:39:44,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:44,136 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 888 transitions. [2024-11-28 04:39:44,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 04:39:44,137 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:44,137 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:44,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:39:44,137 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:44,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:44,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1755023267, now seen corresponding path program 1 times [2024-11-28 04:39:44,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:44,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469147178] [2024-11-28 04:39:44,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:44,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:39:44,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:44,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469147178] [2024-11-28 04:39:44,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469147178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:44,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:39:44,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:39:44,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783145784] [2024-11-28 04:39:44,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:44,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:39:44,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:44,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:39:44,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:44,572 INFO L87 Difference]: Start difference. First operand 630 states and 888 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:44,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:44,647 INFO L93 Difference]: Finished difference Result 935 states and 1334 transitions. [2024-11-28 04:39:44,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:39:44,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2024-11-28 04:39:44,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:44,652 INFO L225 Difference]: With dead ends: 935 [2024-11-28 04:39:44,653 INFO L226 Difference]: Without dead ends: 933 [2024-11-28 04:39:44,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:44,654 INFO L435 NwaCegarLoop]: 863 mSDtfsCounter, 418 mSDsluCounter, 855 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 426 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:44,654 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [426 Valid, 1718 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:44,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2024-11-28 04:39:44,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 634. [2024-11-28 04:39:44,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 539 states have (on average 1.50278293135436) internal successors, (810), 583 states have internal predecessors, (810), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:44,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 893 transitions. [2024-11-28 04:39:44,685 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 893 transitions. Word has length 34 [2024-11-28 04:39:44,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:44,685 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 893 transitions. [2024-11-28 04:39:44,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:44,685 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 893 transitions. [2024-11-28 04:39:44,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-28 04:39:44,686 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:44,686 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:44,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:39:44,687 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:44,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:44,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1212812730, now seen corresponding path program 1 times [2024-11-28 04:39:44,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:44,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218444006] [2024-11-28 04:39:44,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:44,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:45,278 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-28 04:39:45,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:45,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218444006] [2024-11-28 04:39:45,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218444006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:45,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1795775212] [2024-11-28 04:39:45,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:45,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:45,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:45,282 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:45,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:39:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:46,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 1938 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:39:46,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:39:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:39:46,233 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:39:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-28 04:39:46,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1795775212] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:39:46,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:39:46,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-11-28 04:39:46,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835877235] [2024-11-28 04:39:46,373 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:39:46,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 04:39:46,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:46,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 04:39:46,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:39:46,376 INFO L87 Difference]: Start difference. First operand 634 states and 893 transitions. Second operand has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:39:46,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:46,609 INFO L93 Difference]: Finished difference Result 1272 states and 1796 transitions. [2024-11-28 04:39:46,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-28 04:39:46,610 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-11-28 04:39:46,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:46,613 INFO L225 Difference]: With dead ends: 1272 [2024-11-28 04:39:46,614 INFO L226 Difference]: Without dead ends: 657 [2024-11-28 04:39:46,615 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:39:46,617 INFO L435 NwaCegarLoop]: 860 mSDtfsCounter, 7 mSDsluCounter, 3428 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 4288 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:46,617 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 4288 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:39:46,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2024-11-28 04:39:46,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 657. [2024-11-28 04:39:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 563 states have (on average 1.4795737122557726) internal successors, (833), 606 states have internal predecessors, (833), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:46,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 916 transitions. [2024-11-28 04:39:46,654 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 916 transitions. Word has length 38 [2024-11-28 04:39:46,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:46,655 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 916 transitions. [2024-11-28 04:39:46,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.357142857142857) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-28 04:39:46,655 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 916 transitions. [2024-11-28 04:39:46,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 04:39:46,660 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:46,660 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:46,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-28 04:39:46,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-28 04:39:46,863 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:46,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:46,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1446024736, now seen corresponding path program 1 times [2024-11-28 04:39:46,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:46,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153886617] [2024-11-28 04:39:46,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:46,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:47,408 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:39:47,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:47,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153886617] [2024-11-28 04:39:47,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153886617] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:47,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141439968] [2024-11-28 04:39:47,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:47,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:47,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:47,411 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:47,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:39:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:48,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 2035 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:39:48,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:39:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-28 04:39:48,301 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:39:48,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141439968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:48,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:39:48,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 04:39:48,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138274620] [2024-11-28 04:39:48,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:48,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:39:48,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:48,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:39:48,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:48,302 INFO L87 Difference]: Start difference. First operand 657 states and 916 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:48,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:48,361 INFO L93 Difference]: Finished difference Result 657 states and 916 transitions. [2024-11-28 04:39:48,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:39:48,362 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-11-28 04:39:48,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:48,365 INFO L225 Difference]: With dead ends: 657 [2024-11-28 04:39:48,365 INFO L226 Difference]: Without dead ends: 656 [2024-11-28 04:39:48,367 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:48,367 INFO L435 NwaCegarLoop]: 862 mSDtfsCounter, 2 mSDsluCounter, 853 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1715 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:48,368 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1715 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:48,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-28 04:39:48,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 656. [2024-11-28 04:39:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 656 states, 563 states have (on average 1.477797513321492) internal successors, (832), 605 states have internal predecessors, (832), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:48,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 915 transitions. [2024-11-28 04:39:48,396 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 915 transitions. Word has length 62 [2024-11-28 04:39:48,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:48,397 INFO L471 AbstractCegarLoop]: Abstraction has 656 states and 915 transitions. [2024-11-28 04:39:48,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:48,398 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 915 transitions. [2024-11-28 04:39:48,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-28 04:39:48,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:48,399 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:48,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:39:48,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-28 04:39:48,600 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:48,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:48,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2105959458, now seen corresponding path program 1 times [2024-11-28 04:39:48,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:48,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086599614] [2024-11-28 04:39:48,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:48,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:39:49,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:49,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086599614] [2024-11-28 04:39:49,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086599614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:49,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809941233] [2024-11-28 04:39:49,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:49,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:49,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:49,143 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:49,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 04:39:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:49,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:39:49,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:39:50,023 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:39:50,023 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:39:50,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809941233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:50,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:39:50,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-28 04:39:50,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548721314] [2024-11-28 04:39:50,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:50,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:39:50,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:50,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:39:50,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:50,027 INFO L87 Difference]: Start difference. First operand 656 states and 915 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:50,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:50,166 INFO L93 Difference]: Finished difference Result 959 states and 1360 transitions. [2024-11-28 04:39:50,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:39:50,166 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-11-28 04:39:50,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:50,172 INFO L225 Difference]: With dead ends: 959 [2024-11-28 04:39:50,172 INFO L226 Difference]: Without dead ends: 958 [2024-11-28 04:39:50,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:50,173 INFO L435 NwaCegarLoop]: 1295 mSDtfsCounter, 835 mSDsluCounter, 1300 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 2595 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:50,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 2595 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:39:50,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-28 04:39:50,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 655. [2024-11-28 04:39:50,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 655 states, 563 states have (on average 1.4760213143872114) internal successors, (831), 604 states have internal predecessors, (831), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:50,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 655 states and 914 transitions. [2024-11-28 04:39:50,205 INFO L78 Accepts]: Start accepts. Automaton has 655 states and 914 transitions. Word has length 62 [2024-11-28 04:39:50,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:50,207 INFO L471 AbstractCegarLoop]: Abstraction has 655 states and 914 transitions. [2024-11-28 04:39:50,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:50,208 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 914 transitions. [2024-11-28 04:39:50,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 04:39:50,209 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:50,209 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:50,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 04:39:50,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-28 04:39:50,416 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:50,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:50,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1877160565, now seen corresponding path program 1 times [2024-11-28 04:39:50,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:50,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891718117] [2024-11-28 04:39:50,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:50,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:50,883 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-28 04:39:50,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:50,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891718117] [2024-11-28 04:39:50,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891718117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:50,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:39:50,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:39:50,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140421436] [2024-11-28 04:39:50,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:50,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:39:50,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:50,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:39:50,885 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:50,885 INFO L87 Difference]: Start difference. First operand 655 states and 914 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:50,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:50,923 INFO L93 Difference]: Finished difference Result 655 states and 914 transitions. [2024-11-28 04:39:50,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:39:50,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-28 04:39:50,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:50,927 INFO L225 Difference]: With dead ends: 655 [2024-11-28 04:39:50,927 INFO L226 Difference]: Without dead ends: 654 [2024-11-28 04:39:50,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:50,928 INFO L435 NwaCegarLoop]: 863 mSDtfsCounter, 0 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1722 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:50,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1722 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:50,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 654 states. [2024-11-28 04:39:50,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 654 to 651. [2024-11-28 04:39:50,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 560 states have (on average 1.4767857142857144) internal successors, (827), 600 states have internal predecessors, (827), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:50,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 910 transitions. [2024-11-28 04:39:50,954 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 910 transitions. Word has length 63 [2024-11-28 04:39:50,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:50,954 INFO L471 AbstractCegarLoop]: Abstraction has 651 states and 910 transitions. [2024-11-28 04:39:50,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:50,954 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 910 transitions. [2024-11-28 04:39:50,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 04:39:50,956 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:50,956 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:50,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 04:39:50,956 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:50,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:50,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1877093039, now seen corresponding path program 1 times [2024-11-28 04:39:50,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:50,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405099838] [2024-11-28 04:39:50,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:50,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:51,431 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:39:51,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:51,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405099838] [2024-11-28 04:39:51,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405099838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:51,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [193009060] [2024-11-28 04:39:51,431 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:51,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:51,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:51,434 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:51,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 04:39:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:52,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:39:52,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:39:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-28 04:39:52,407 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:39:52,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [193009060] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:52,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:39:52,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-28 04:39:52,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768926180] [2024-11-28 04:39:52,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:52,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:39:52,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:52,409 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:39:52,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:52,410 INFO L87 Difference]: Start difference. First operand 651 states and 910 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:52,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:52,472 INFO L93 Difference]: Finished difference Result 662 states and 923 transitions. [2024-11-28 04:39:52,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:39:52,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-28 04:39:52,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:52,477 INFO L225 Difference]: With dead ends: 662 [2024-11-28 04:39:52,478 INFO L226 Difference]: Without dead ends: 661 [2024-11-28 04:39:52,478 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 04:39:52,479 INFO L435 NwaCegarLoop]: 861 mSDtfsCounter, 0 mSDsluCounter, 857 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1718 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:52,479 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1718 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:52,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-11-28 04:39:52,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 661. [2024-11-28 04:39:52,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 570 states have (on average 1.4719298245614034) internal successors, (839), 610 states have internal predecessors, (839), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 922 transitions. [2024-11-28 04:39:52,508 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 922 transitions. Word has length 63 [2024-11-28 04:39:52,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:52,508 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 922 transitions. [2024-11-28 04:39:52,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:52,509 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 922 transitions. [2024-11-28 04:39:52,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-28 04:39:52,509 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:52,510 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:52,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 04:39:52,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-28 04:39:52,714 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:52,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:52,714 INFO L85 PathProgramCache]: Analyzing trace with hash 860234593, now seen corresponding path program 1 times [2024-11-28 04:39:52,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:52,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135252886] [2024-11-28 04:39:52,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:52,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:39:53,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:53,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135252886] [2024-11-28 04:39:53,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135252886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:53,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006536240] [2024-11-28 04:39:53,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:53,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:53,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:53,139 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:53,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 04:39:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:54,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 2059 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:39:54,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:39:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:39:54,101 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:39:54,147 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:39:54,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006536240] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:39:54,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:39:54,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-28 04:39:54,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307866944] [2024-11-28 04:39:54,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:39:54,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:39:54,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:54,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:39:54,152 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:39:54,152 INFO L87 Difference]: Start difference. First operand 661 states and 922 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:54,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:54,403 INFO L93 Difference]: Finished difference Result 1870 states and 2696 transitions. [2024-11-28 04:39:54,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:39:54,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 63 [2024-11-28 04:39:54,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:54,413 INFO L225 Difference]: With dead ends: 1870 [2024-11-28 04:39:54,413 INFO L226 Difference]: Without dead ends: 1869 [2024-11-28 04:39:54,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:39:54,415 INFO L435 NwaCegarLoop]: 859 mSDtfsCounter, 3414 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3446 SdHoareTripleChecker+Valid, 3333 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:54,416 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3446 Valid, 3333 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:39:54,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1869 states. [2024-11-28 04:39:54,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1869 to 673. [2024-11-28 04:39:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 582 states have (on average 1.4673539518900343) internal successors, (854), 622 states have internal predecessors, (854), 45 states have call successors, (45), 15 states have call predecessors, (45), 13 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-28 04:39:54,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 937 transitions. [2024-11-28 04:39:54,459 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 937 transitions. Word has length 63 [2024-11-28 04:39:54,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:54,460 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 937 transitions. [2024-11-28 04:39:54,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:54,460 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 937 transitions. [2024-11-28 04:39:54,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 04:39:54,461 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:54,461 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:54,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 04:39:54,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-28 04:39:54,665 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:54,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:54,665 INFO L85 PathProgramCache]: Analyzing trace with hash -417511243, now seen corresponding path program 1 times [2024-11-28 04:39:54,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:54,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919364159] [2024-11-28 04:39:54,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:54,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:55,094 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:39:55,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:55,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919364159] [2024-11-28 04:39:55,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919364159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:55,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:39:55,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:39:55,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63914548] [2024-11-28 04:39:55,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:55,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:39:55,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:55,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:39:55,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:55,096 INFO L87 Difference]: Start difference. First operand 673 states and 937 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:39:55,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:55,258 INFO L93 Difference]: Finished difference Result 1344 states and 1903 transitions. [2024-11-28 04:39:55,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:39:55,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 72 [2024-11-28 04:39:55,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:55,263 INFO L225 Difference]: With dead ends: 1344 [2024-11-28 04:39:55,263 INFO L226 Difference]: Without dead ends: 770 [2024-11-28 04:39:55,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:55,265 INFO L435 NwaCegarLoop]: 857 mSDtfsCounter, 121 mSDsluCounter, 795 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 1652 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:55,265 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 1652 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:39:55,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2024-11-28 04:39:55,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 716. [2024-11-28 04:39:55,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 624 states have (on average 1.4599358974358974) internal successors, (911), 664 states have internal predecessors, (911), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:39:55,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 996 transitions. [2024-11-28 04:39:55,294 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 996 transitions. Word has length 72 [2024-11-28 04:39:55,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:55,295 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 996 transitions. [2024-11-28 04:39:55,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:39:55,295 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 996 transitions. [2024-11-28 04:39:55,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-28 04:39:55,296 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:55,296 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:55,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 04:39:55,296 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:55,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:55,297 INFO L85 PathProgramCache]: Analyzing trace with hash 1661179847, now seen corresponding path program 1 times [2024-11-28 04:39:55,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:55,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633281842] [2024-11-28 04:39:55,297 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:55,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-28 04:39:55,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:55,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633281842] [2024-11-28 04:39:55,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633281842] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:55,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798842198] [2024-11-28 04:39:55,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:55,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:55,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:55,858 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:55,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 04:39:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:56,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 2110 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:39:56,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:39:56,844 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-28 04:39:56,844 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:39:56,878 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-28 04:39:56,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798842198] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:39:56,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:39:56,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-28 04:39:56,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109227304] [2024-11-28 04:39:56,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:39:56,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:39:56,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:56,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:39:56,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:39:56,880 INFO L87 Difference]: Start difference. First operand 716 states and 996 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:56,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:56,964 INFO L93 Difference]: Finished difference Result 1400 states and 1962 transitions. [2024-11-28 04:39:56,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:39:56,965 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2024-11-28 04:39:56,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:56,968 INFO L225 Difference]: With dead ends: 1400 [2024-11-28 04:39:56,968 INFO L226 Difference]: Without dead ends: 740 [2024-11-28 04:39:56,970 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:39:56,971 INFO L435 NwaCegarLoop]: 863 mSDtfsCounter, 6 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2581 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:56,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2581 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:56,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-11-28 04:39:56,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2024-11-28 04:39:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 648 states have (on average 1.4429012345679013) internal successors, (935), 688 states have internal predecessors, (935), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:39:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1020 transitions. [2024-11-28 04:39:57,002 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1020 transitions. Word has length 73 [2024-11-28 04:39:57,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:57,002 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1020 transitions. [2024-11-28 04:39:57,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:57,003 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1020 transitions. [2024-11-28 04:39:57,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-28 04:39:57,003 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:57,003 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:57,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-28 04:39:57,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-28 04:39:57,204 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:57,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:57,206 INFO L85 PathProgramCache]: Analyzing trace with hash -1796317861, now seen corresponding path program 1 times [2024-11-28 04:39:57,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:57,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160868547] [2024-11-28 04:39:57,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:39:57,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:39:57,632 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-28 04:39:57,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:57,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160868547] [2024-11-28 04:39:57,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160868547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:57,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:39:57,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:39:57,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886513806] [2024-11-28 04:39:57,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:57,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:39:57,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:57,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:39:57,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:57,635 INFO L87 Difference]: Start difference. First operand 740 states and 1020 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-28 04:39:57,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:57,684 INFO L93 Difference]: Finished difference Result 742 states and 1020 transitions. [2024-11-28 04:39:57,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:39:57,684 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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 74 [2024-11-28 04:39:57,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:57,688 INFO L225 Difference]: With dead ends: 742 [2024-11-28 04:39:57,688 INFO L226 Difference]: Without dead ends: 740 [2024-11-28 04:39:57,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:39:57,689 INFO L435 NwaCegarLoop]: 865 mSDtfsCounter, 1 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1724 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:57,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1724 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:39:57,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-11-28 04:39:57,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2024-11-28 04:39:57,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 648 states have (on average 1.4398148148148149) internal successors, (933), 688 states have internal predecessors, (933), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:39:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1018 transitions. [2024-11-28 04:39:57,719 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1018 transitions. Word has length 74 [2024-11-28 04:39:57,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:57,719 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1018 transitions. [2024-11-28 04:39:57,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 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) [2024-11-28 04:39:57,719 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1018 transitions. [2024-11-28 04:39:57,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-28 04:39:57,720 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:57,720 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:57,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 04:39:57,721 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:57,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:57,722 INFO L85 PathProgramCache]: Analyzing trace with hash 997110256, now seen corresponding path program 2 times [2024-11-28 04:39:57,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:57,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584953811] [2024-11-28 04:39:57,722 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:39:57,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:58,044 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:39:58,047 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:39:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 04:39:58,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:58,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584953811] [2024-11-28 04:39:58,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584953811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:39:58,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:39:58,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:39:58,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993151733] [2024-11-28 04:39:58,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:39:58,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:39:58,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:39:58,380 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:39:58,380 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:39:58,380 INFO L87 Difference]: Start difference. First operand 740 states and 1018 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:58,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:39:58,637 INFO L93 Difference]: Finished difference Result 1386 states and 1936 transitions. [2024-11-28 04:39:58,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:39:58,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 75 [2024-11-28 04:39:58,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:39:58,642 INFO L225 Difference]: With dead ends: 1386 [2024-11-28 04:39:58,642 INFO L226 Difference]: Without dead ends: 740 [2024-11-28 04:39:58,644 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:39:58,644 INFO L435 NwaCegarLoop]: 844 mSDtfsCounter, 543 mSDsluCounter, 2801 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 3645 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:39:58,645 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 3645 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:39:58,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2024-11-28 04:39:58,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 740. [2024-11-28 04:39:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 740 states, 648 states have (on average 1.4382716049382716) internal successors, (932), 688 states have internal predecessors, (932), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:39:58,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 740 states and 1017 transitions. [2024-11-28 04:39:58,675 INFO L78 Accepts]: Start accepts. Automaton has 740 states and 1017 transitions. Word has length 75 [2024-11-28 04:39:58,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:39:58,676 INFO L471 AbstractCegarLoop]: Abstraction has 740 states and 1017 transitions. [2024-11-28 04:39:58,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:39:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 740 states and 1017 transitions. [2024-11-28 04:39:58,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 04:39:58,677 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:39:58,677 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 8, 8, 8, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:39:58,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 04:39:58,678 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:39:58,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:39:58,678 INFO L85 PathProgramCache]: Analyzing trace with hash -37307797, now seen corresponding path program 2 times [2024-11-28 04:39:58,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:39:58,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238066641] [2024-11-28 04:39:58,679 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:39:58,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:39:58,907 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:39:58,908 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:39:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-28 04:39:59,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:39:59,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238066641] [2024-11-28 04:39:59,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238066641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:39:59,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768409626] [2024-11-28 04:39:59,108 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:39:59,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:39:59,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:39:59,110 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:39:59,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-28 04:40:00,091 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:40:00,091 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:40:00,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 1823 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:40:00,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:40:00,209 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-28 04:40:00,209 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:40:00,313 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2024-11-28 04:40:00,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768409626] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:40:00,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:40:00,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-28 04:40:00,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567333355] [2024-11-28 04:40:00,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:40:00,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:40:00,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:00,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:40:00,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:40:00,317 INFO L87 Difference]: Start difference. First operand 740 states and 1017 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:40:00,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:00,419 INFO L93 Difference]: Finished difference Result 740 states and 1017 transitions. [2024-11-28 04:40:00,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:40:00,420 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 97 [2024-11-28 04:40:00,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:00,423 INFO L225 Difference]: With dead ends: 740 [2024-11-28 04:40:00,424 INFO L226 Difference]: Without dead ends: 739 [2024-11-28 04:40:00,424 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 190 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:40:00,425 INFO L435 NwaCegarLoop]: 854 mSDtfsCounter, 522 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 2332 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:00,425 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 2332 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:40:00,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-11-28 04:40:00,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 718. [2024-11-28 04:40:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 718 states, 627 states have (on average 1.4497607655502391) internal successors, (909), 666 states have internal predecessors, (909), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:40:00,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 994 transitions. [2024-11-28 04:40:00,456 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 994 transitions. Word has length 97 [2024-11-28 04:40:00,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:00,456 INFO L471 AbstractCegarLoop]: Abstraction has 718 states and 994 transitions. [2024-11-28 04:40:00,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:40:00,457 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 994 transitions. [2024-11-28 04:40:00,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-28 04:40:00,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:00,459 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:40:00,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-28 04:40:00,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:00,660 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:00,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:00,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1319208840, now seen corresponding path program 1 times [2024-11-28 04:40:00,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:00,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962875803] [2024-11-28 04:40:00,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:00,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:01,327 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 04:40:01,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:01,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962875803] [2024-11-28 04:40:01,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962875803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:40:01,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469186867] [2024-11-28 04:40:01,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:01,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:01,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:40:01,330 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:40:01,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-28 04:40:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:02,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 2229 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:40:02,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:40:02,493 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 04:40:02,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:40:02,618 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2024-11-28 04:40:02,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469186867] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:40:02,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:40:02,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2024-11-28 04:40:02,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88281708] [2024-11-28 04:40:02,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:40:02,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:40:02,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:02,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:40:02,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:40:02,620 INFO L87 Difference]: Start difference. First operand 718 states and 994 transitions. Second operand has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:40:02,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:02,747 INFO L93 Difference]: Finished difference Result 1410 states and 1966 transitions. [2024-11-28 04:40:02,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:40:02,748 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 97 [2024-11-28 04:40:02,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:02,752 INFO L225 Difference]: With dead ends: 1410 [2024-11-28 04:40:02,752 INFO L226 Difference]: Without dead ends: 742 [2024-11-28 04:40:02,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:40:02,754 INFO L435 NwaCegarLoop]: 862 mSDtfsCounter, 6 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:02,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1720 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:40:02,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2024-11-28 04:40:02,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2024-11-28 04:40:02,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 651 states have (on average 1.433179723502304) internal successors, (933), 690 states have internal predecessors, (933), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:40:02,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1018 transitions. [2024-11-28 04:40:02,785 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1018 transitions. Word has length 97 [2024-11-28 04:40:02,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:02,786 INFO L471 AbstractCegarLoop]: Abstraction has 742 states and 1018 transitions. [2024-11-28 04:40:02,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.153846153846154) internal successors, (67), 13 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:40:02,786 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1018 transitions. [2024-11-28 04:40:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 04:40:02,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:02,787 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:40:02,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-28 04:40:02,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:02,988 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:02,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:02,989 INFO L85 PathProgramCache]: Analyzing trace with hash 889971100, now seen corresponding path program 2 times [2024-11-28 04:40:02,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:02,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404640303] [2024-11-28 04:40:02,989 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:40:02,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:03,573 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:40:03,573 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:40:04,156 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:40:04,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:04,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404640303] [2024-11-28 04:40:04,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404640303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:40:04,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81163008] [2024-11-28 04:40:04,157 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:40:04,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:04,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:40:04,159 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:40:04,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-28 04:40:07,320 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:40:07,320 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:40:07,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 2367 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:40:07,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:40:07,404 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:40:07,404 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:40:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:40:07,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81163008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:40:07,528 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:40:07,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-28 04:40:07,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079030022] [2024-11-28 04:40:07,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:40:07,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 04:40:07,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:07,530 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 04:40:07,530 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:40:07,530 INFO L87 Difference]: Start difference. First operand 742 states and 1018 transitions. Second operand has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:40:08,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:08,295 INFO L93 Difference]: Finished difference Result 4187 states and 6014 transitions. [2024-11-28 04:40:08,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 04:40:08,296 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 121 [2024-11-28 04:40:08,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:08,314 INFO L225 Difference]: With dead ends: 4187 [2024-11-28 04:40:08,314 INFO L226 Difference]: Without dead ends: 4186 [2024-11-28 04:40:08,316 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:40:08,316 INFO L435 NwaCegarLoop]: 858 mSDtfsCounter, 6360 mSDsluCounter, 6774 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6440 SdHoareTripleChecker+Valid, 7632 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:08,317 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6440 Valid, 7632 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 04:40:08,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4186 states. [2024-11-28 04:40:08,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4186 to 766. [2024-11-28 04:40:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 675 states have (on average 1.4266666666666667) internal successors, (963), 714 states have internal predecessors, (963), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:40:08,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1048 transitions. [2024-11-28 04:40:08,393 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1048 transitions. Word has length 121 [2024-11-28 04:40:08,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:08,395 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1048 transitions. [2024-11-28 04:40:08,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.083333333333333) internal successors, (73), 13 states have internal predecessors, (73), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:40:08,396 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1048 transitions. [2024-11-28 04:40:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 04:40:08,397 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:08,398 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:40:08,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-28 04:40:08,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-28 04:40:08,599 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:08,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:08,599 INFO L85 PathProgramCache]: Analyzing trace with hash -722795954, now seen corresponding path program 1 times [2024-11-28 04:40:08,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:08,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628858897] [2024-11-28 04:40:08,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:08,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:08,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:09,106 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:40:09,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:09,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628858897] [2024-11-28 04:40:09,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628858897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:09,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:09,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:40:09,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383076047] [2024-11-28 04:40:09,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:09,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:09,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:09,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:09,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:09,109 INFO L87 Difference]: Start difference. First operand 766 states and 1048 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-28 04:40:09,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:09,294 INFO L93 Difference]: Finished difference Result 1336 states and 1883 transitions. [2024-11-28 04:40:09,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:09,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 126 [2024-11-28 04:40:09,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:09,300 INFO L225 Difference]: With dead ends: 1336 [2024-11-28 04:40:09,300 INFO L226 Difference]: Without dead ends: 819 [2024-11-28 04:40:09,302 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:09,304 INFO L435 NwaCegarLoop]: 927 mSDtfsCounter, 75 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:09,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 1731 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:40:09,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2024-11-28 04:40:09,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 769. [2024-11-28 04:40:09,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 769 states, 680 states have (on average 1.4220588235294118) internal successors, (967), 717 states have internal predecessors, (967), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:40:09,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 769 states to 769 states and 1052 transitions. [2024-11-28 04:40:09,344 INFO L78 Accepts]: Start accepts. Automaton has 769 states and 1052 transitions. Word has length 126 [2024-11-28 04:40:09,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:09,346 INFO L471 AbstractCegarLoop]: Abstraction has 769 states and 1052 transitions. [2024-11-28 04:40:09,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-28 04:40:09,346 INFO L276 IsEmpty]: Start isEmpty. Operand 769 states and 1052 transitions. [2024-11-28 04:40:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-28 04:40:09,348 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:09,349 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:40:09,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 04:40:09,349 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:09,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:09,349 INFO L85 PathProgramCache]: Analyzing trace with hash -722161477, now seen corresponding path program 1 times [2024-11-28 04:40:09,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:09,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105821930] [2024-11-28 04:40:09,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:09,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:09,975 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:40:09,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:09,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105821930] [2024-11-28 04:40:09,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105821930] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:09,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:09,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:40:09,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494237823] [2024-11-28 04:40:09,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:09,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:09,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:09,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:09,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:09,978 INFO L87 Difference]: Start difference. First operand 769 states and 1052 transitions. Second operand has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-28 04:40:10,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:10,404 INFO L93 Difference]: Finished difference Result 823 states and 1132 transitions. [2024-11-28 04:40:10,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:10,405 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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 126 [2024-11-28 04:40:10,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:10,413 INFO L225 Difference]: With dead ends: 823 [2024-11-28 04:40:10,413 INFO L226 Difference]: Without dead ends: 820 [2024-11-28 04:40:10,414 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:10,418 INFO L435 NwaCegarLoop]: 832 mSDtfsCounter, 192 mSDsluCounter, 704 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 198 SdHoareTripleChecker+Valid, 1536 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:10,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [198 Valid, 1536 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:40:10,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2024-11-28 04:40:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 766. [2024-11-28 04:40:10,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 766 states, 680 states have (on average 1.4176470588235295) internal successors, (964), 714 states have internal predecessors, (964), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:40:10,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 766 states and 1049 transitions. [2024-11-28 04:40:10,460 INFO L78 Accepts]: Start accepts. Automaton has 766 states and 1049 transitions. Word has length 126 [2024-11-28 04:40:10,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:10,461 INFO L471 AbstractCegarLoop]: Abstraction has 766 states and 1049 transitions. [2024-11-28 04:40:10,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.0) internal successors, (50), 3 states have internal predecessors, (50), 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) [2024-11-28 04:40:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 766 states and 1049 transitions. [2024-11-28 04:40:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 04:40:10,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:10,466 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:40:10,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 04:40:10,466 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:10,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:10,467 INFO L85 PathProgramCache]: Analyzing trace with hash -931837022, now seen corresponding path program 1 times [2024-11-28 04:40:10,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:10,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963179708] [2024-11-28 04:40:10,467 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:10,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:11,001 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:40:11,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:11,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963179708] [2024-11-28 04:40:11,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963179708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:11,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:11,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:40:11,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634016790] [2024-11-28 04:40:11,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:11,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:11,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:11,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:11,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:11,003 INFO L87 Difference]: Start difference. First operand 766 states and 1049 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-28 04:40:11,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:11,176 INFO L93 Difference]: Finished difference Result 1338 states and 1885 transitions. [2024-11-28 04:40:11,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:11,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 127 [2024-11-28 04:40:11,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:11,182 INFO L225 Difference]: With dead ends: 1338 [2024-11-28 04:40:11,182 INFO L226 Difference]: Without dead ends: 817 [2024-11-28 04:40:11,184 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:11,184 INFO L435 NwaCegarLoop]: 860 mSDtfsCounter, 158 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1615 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:11,185 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 1615 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:40:11,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 817 states. [2024-11-28 04:40:11,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 817 to 751. [2024-11-28 04:40:11,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 669 states have (on average 1.4110612855007474) internal successors, (944), 699 states have internal predecessors, (944), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:40:11,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1029 transitions. [2024-11-28 04:40:11,227 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1029 transitions. Word has length 127 [2024-11-28 04:40:11,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:11,227 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1029 transitions. [2024-11-28 04:40:11,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-28 04:40:11,227 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1029 transitions. [2024-11-28 04:40:11,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 04:40:11,229 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:11,230 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:40:11,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 04:40:11,230 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:11,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:11,231 INFO L85 PathProgramCache]: Analyzing trace with hash -912168173, now seen corresponding path program 1 times [2024-11-28 04:40:11,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:11,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570925902] [2024-11-28 04:40:11,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:11,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:40:11,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:11,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570925902] [2024-11-28 04:40:11,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570925902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:11,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:11,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:40:11,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972217737] [2024-11-28 04:40:11,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:11,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:11,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:11,847 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:11,847 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:11,847 INFO L87 Difference]: Start difference. First operand 751 states and 1029 transitions. Second operand has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-28 04:40:12,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:12,031 INFO L93 Difference]: Finished difference Result 805 states and 1109 transitions. [2024-11-28 04:40:12,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:12,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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 127 [2024-11-28 04:40:12,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:12,037 INFO L225 Difference]: With dead ends: 805 [2024-11-28 04:40:12,037 INFO L226 Difference]: Without dead ends: 804 [2024-11-28 04:40:12,038 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:12,042 INFO L435 NwaCegarLoop]: 834 mSDtfsCounter, 190 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 1569 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:12,042 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 1569 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:40:12,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2024-11-28 04:40:12,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 750. [2024-11-28 04:40:12,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 669 states have (on average 1.4095665171898355) internal successors, (943), 698 states have internal predecessors, (943), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:40:12,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1028 transitions. [2024-11-28 04:40:12,143 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1028 transitions. Word has length 127 [2024-11-28 04:40:12,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:12,143 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1028 transitions. [2024-11-28 04:40:12,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 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) [2024-11-28 04:40:12,145 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1028 transitions. [2024-11-28 04:40:12,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-28 04:40:12,147 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:12,147 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-11-28 04:40:12,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 04:40:12,147 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:12,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:12,149 INFO L85 PathProgramCache]: Analyzing trace with hash -220199215, now seen corresponding path program 1 times [2024-11-28 04:40:12,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:12,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980331004] [2024-11-28 04:40:12,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:12,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:12,849 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:40:12,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:12,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980331004] [2024-11-28 04:40:12,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980331004] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:40:12,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928373256] [2024-11-28 04:40:12,850 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:12,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:12,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:40:12,852 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:40:12,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-28 04:40:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:14,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 2450 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:40:14,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:40:14,219 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:40:14,219 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:40:14,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1928373256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:14,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:40:14,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2024-11-28 04:40:14,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954287532] [2024-11-28 04:40:14,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:14,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 04:40:14,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:14,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 04:40:14,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:40:14,220 INFO L87 Difference]: Start difference. First operand 750 states and 1028 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:40:14,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:14,464 INFO L93 Difference]: Finished difference Result 1439 states and 2023 transitions. [2024-11-28 04:40:14,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:40:14,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 129 [2024-11-28 04:40:14,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:14,470 INFO L225 Difference]: With dead ends: 1439 [2024-11-28 04:40:14,470 INFO L226 Difference]: Without dead ends: 867 [2024-11-28 04:40:14,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:40:14,472 INFO L435 NwaCegarLoop]: 909 mSDtfsCounter, 353 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 1993 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:14,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 1993 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 04:40:14,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2024-11-28 04:40:14,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 749. [2024-11-28 04:40:14,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 749 states, 670 states have (on average 1.4029850746268657) internal successors, (940), 697 states have internal predecessors, (940), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:40:14,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 749 states and 1025 transitions. [2024-11-28 04:40:14,523 INFO L78 Accepts]: Start accepts. Automaton has 749 states and 1025 transitions. Word has length 129 [2024-11-28 04:40:14,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:14,523 INFO L471 AbstractCegarLoop]: Abstraction has 749 states and 1025 transitions. [2024-11-28 04:40:14,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-28 04:40:14,524 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 1025 transitions. [2024-11-28 04:40:14,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-28 04:40:14,526 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:14,526 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-11-28 04:40:14,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-28 04:40:14,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-28 04:40:14,730 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:14,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:14,731 INFO L85 PathProgramCache]: Analyzing trace with hash -1538878205, now seen corresponding path program 1 times [2024-11-28 04:40:14,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:14,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089313383] [2024-11-28 04:40:14,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:14,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:15,157 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-28 04:40:15,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:15,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089313383] [2024-11-28 04:40:15,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089313383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:15,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:40:15,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:40:15,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365968016] [2024-11-28 04:40:15,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:15,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:40:15,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:15,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:40:15,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:15,160 INFO L87 Difference]: Start difference. First operand 749 states and 1025 transitions. Second operand has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-11-28 04:40:15,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:15,208 INFO L93 Difference]: Finished difference Result 749 states and 1025 transitions. [2024-11-28 04:40:15,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:40:15,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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 132 [2024-11-28 04:40:15,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:15,212 INFO L225 Difference]: With dead ends: 749 [2024-11-28 04:40:15,212 INFO L226 Difference]: Without dead ends: 748 [2024-11-28 04:40:15,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:40:15,214 INFO L435 NwaCegarLoop]: 852 mSDtfsCounter, 1 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1698 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:15,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1698 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:40:15,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-28 04:40:15,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 748. [2024-11-28 04:40:15,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 748 states, 670 states have (on average 1.4014925373134328) internal successors, (939), 696 states have internal predecessors, (939), 46 states have call successors, (46), 15 states have call predecessors, (46), 13 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-28 04:40:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 748 states and 1024 transitions. [2024-11-28 04:40:15,249 INFO L78 Accepts]: Start accepts. Automaton has 748 states and 1024 transitions. Word has length 132 [2024-11-28 04:40:15,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:15,250 INFO L471 AbstractCegarLoop]: Abstraction has 748 states and 1024 transitions. [2024-11-28 04:40:15,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 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) [2024-11-28 04:40:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1024 transitions. [2024-11-28 04:40:15,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 04:40:15,251 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:15,252 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-11-28 04:40:15,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 04:40:15,252 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:15,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:15,252 INFO L85 PathProgramCache]: Analyzing trace with hash -460583212, now seen corresponding path program 1 times [2024-11-28 04:40:15,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:15,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505211926] [2024-11-28 04:40:15,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:15,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-28 04:40:24,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:24,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505211926] [2024-11-28 04:40:24,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505211926] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:40:24,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508854711] [2024-11-28 04:40:24,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:24,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:24,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:40:24,948 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:40:24,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-28 04:40:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:26,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 2455 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:40:26,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:40:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:40:26,925 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:40:26,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508854711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:40:26,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:40:26,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 16 [2024-11-28 04:40:26,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142142302] [2024-11-28 04:40:26,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:40:26,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 04:40:26,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:26,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 04:40:26,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:40:26,927 INFO L87 Difference]: Start difference. First operand 748 states and 1024 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:40:26,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:26,991 INFO L93 Difference]: Finished difference Result 1355 states and 1895 transitions. [2024-11-28 04:40:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 04:40:26,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 133 [2024-11-28 04:40:26,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:26,997 INFO L225 Difference]: With dead ends: 1355 [2024-11-28 04:40:26,998 INFO L226 Difference]: Without dead ends: 751 [2024-11-28 04:40:26,999 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:40:27,000 INFO L435 NwaCegarLoop]: 849 mSDtfsCounter, 0 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2543 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:27,000 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2543 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:40:27,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 751 states. [2024-11-28 04:40:27,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 751 to 751. [2024-11-28 04:40:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 751 states, 672 states have (on average 1.4017857142857142) internal successors, (942), 699 states have internal predecessors, (942), 46 states have call successors, (46), 15 states have call predecessors, (46), 14 states have return successors, (42), 39 states have call predecessors, (42), 39 states have call successors, (42) [2024-11-28 04:40:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 751 states to 751 states and 1030 transitions. [2024-11-28 04:40:27,039 INFO L78 Accepts]: Start accepts. Automaton has 751 states and 1030 transitions. Word has length 133 [2024-11-28 04:40:27,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:27,040 INFO L471 AbstractCegarLoop]: Abstraction has 751 states and 1030 transitions. [2024-11-28 04:40:27,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 04:40:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 751 states and 1030 transitions. [2024-11-28 04:40:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 04:40:27,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:27,042 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-11-28 04:40:27,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-28 04:40:27,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-28 04:40:27,242 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:27,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:27,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1644710722, now seen corresponding path program 1 times [2024-11-28 04:40:27,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:27,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174809721] [2024-11-28 04:40:27,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:27,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:34,861 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-28 04:40:34,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:34,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174809721] [2024-11-28 04:40:34,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174809721] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:40:34,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637454284] [2024-11-28 04:40:34,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:34,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:34,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:40:34,864 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:40:34,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-28 04:40:36,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:36,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 2470 conjuncts, 121 conjuncts are in the unsatisfiable core [2024-11-28 04:40:36,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:40:36,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:36,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:36,317 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-28 04:40:36,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-28 04:40:36,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:36,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:36,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:36,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:36,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:36,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:36,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:36,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:36,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:36,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:37,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:37,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:37,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:37,159 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-28 04:40:37,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-28 04:40:37,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:37,272 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-11-28 04:40:37,272 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-11-28 04:40:37,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 100 [2024-11-28 04:40:37,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:37,409 INFO L349 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2024-11-28 04:40:37,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 108 treesize of output 92 [2024-11-28 04:40:37,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 179 treesize of output 106 [2024-11-28 04:40:37,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:37,436 INFO L349 Elim1Store]: treesize reduction 27, result has 3.6 percent of original size [2024-11-28 04:40:37,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 114 treesize of output 98 [2024-11-28 04:40:37,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 138 [2024-11-28 04:40:37,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:37,470 INFO L349 Elim1Store]: treesize reduction 45, result has 2.2 percent of original size [2024-11-28 04:40:37,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 119 treesize of output 98 [2024-11-28 04:40:37,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 34 [2024-11-28 04:40:37,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 217 treesize of output 132 [2024-11-28 04:40:37,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:37,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 144 [2024-11-28 04:40:37,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:37,534 INFO L349 Elim1Store]: treesize reduction 41, result has 10.9 percent of original size [2024-11-28 04:40:37,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 125 treesize of output 109 [2024-11-28 04:40:37,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:37,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 11 [2024-11-28 04:40:37,574 INFO L349 Elim1Store]: treesize reduction 44, result has 29.0 percent of original size [2024-11-28 04:40:37,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 53 treesize of output 40 [2024-11-28 04:40:37,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 223 treesize of output 138 [2024-11-28 04:40:37,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:37,823 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-28 04:40:37,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 78 [2024-11-28 04:40:37,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2024-11-28 04:40:38,043 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-28 04:40:38,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 78 [2024-11-28 04:40:38,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2024-11-28 04:40:38,259 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-28 04:40:38,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 78 [2024-11-28 04:40:38,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2024-11-28 04:40:38,452 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-28 04:40:38,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 78 [2024-11-28 04:40:38,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2024-11-28 04:40:38,663 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-28 04:40:38,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 78 [2024-11-28 04:40:38,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2024-11-28 04:40:38,852 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-28 04:40:38,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 78 [2024-11-28 04:40:38,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2024-11-28 04:40:39,057 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-28 04:40:39,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 78 [2024-11-28 04:40:39,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2024-11-28 04:40:39,258 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-28 04:40:39,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 78 [2024-11-28 04:40:39,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2024-11-28 04:40:39,458 INFO L349 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2024-11-28 04:40:39,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 78 [2024-11-28 04:40:39,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2024-11-28 04:40:39,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 21 [2024-11-28 04:40:39,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:39,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:40:39,963 INFO L349 Elim1Store]: treesize reduction 25, result has 49.0 percent of original size [2024-11-28 04:40:39,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 39 treesize of output 52 [2024-11-28 04:40:40,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:40:40,262 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2024-11-28 04:40:40,265 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:40:40,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637454284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:40:40,536 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:40:40,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14] total 27 [2024-11-28 04:40:40,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082625419] [2024-11-28 04:40:40,536 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:40:40,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-28 04:40:40,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:40:40,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-28 04:40:40,538 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=869, Unknown=1, NotChecked=0, Total=992 [2024-11-28 04:40:40,538 INFO L87 Difference]: Start difference. First operand 751 states and 1030 transitions. Second operand has 27 states, 25 states have (on average 4.04) internal successors, (101), 27 states have internal predecessors, (101), 3 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:40:51,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:53,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:55,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:40:57,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:40:57,098 INFO L93 Difference]: Finished difference Result 2056 states and 2918 transitions. [2024-11-28 04:40:57,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 04:40:57,099 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 4.04) internal successors, (101), 27 states have internal predecessors, (101), 3 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 134 [2024-11-28 04:40:57,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:40:57,113 INFO L225 Difference]: With dead ends: 2056 [2024-11-28 04:40:57,113 INFO L226 Difference]: Without dead ends: 1453 [2024-11-28 04:40:57,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=323, Invalid=1568, Unknown=1, NotChecked=0, Total=1892 [2024-11-28 04:40:57,120 INFO L435 NwaCegarLoop]: 774 mSDtfsCounter, 3873 mSDsluCounter, 7206 mSDsCounter, 0 mSdLazyCounter, 2701 mSolverCounterSat, 461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3875 SdHoareTripleChecker+Valid, 7980 SdHoareTripleChecker+Invalid, 3162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 2701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:40:57,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3875 Valid, 7980 Invalid, 3162 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [461 Valid, 2701 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2024-11-28 04:40:57,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1453 states. [2024-11-28 04:40:57,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1453 to 791. [2024-11-28 04:40:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 709 states have (on average 1.3949224259520452) internal successors, (989), 737 states have internal predecessors, (989), 47 states have call successors, (47), 17 states have call predecessors, (47), 16 states have return successors, (44), 39 states have call predecessors, (44), 40 states have call successors, (44) [2024-11-28 04:40:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1080 transitions. [2024-11-28 04:40:57,201 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1080 transitions. Word has length 134 [2024-11-28 04:40:57,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:40:57,202 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1080 transitions. [2024-11-28 04:40:57,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 4.04) internal successors, (101), 27 states have internal predecessors, (101), 3 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:40:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1080 transitions. [2024-11-28 04:40:57,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-28 04:40:57,205 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:40:57,205 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-11-28 04:40:57,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-28 04:40:57,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-28 04:40:57,406 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:40:57,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:40:57,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2067412548, now seen corresponding path program 1 times [2024-11-28 04:40:57,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:40:57,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506555764] [2024-11-28 04:40:57,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:57,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:40:57,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:58,344 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:40:58,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:40:58,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506555764] [2024-11-28 04:40:58,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506555764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:40:58,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345742361] [2024-11-28 04:40:58,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:40:58,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:40:58,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:40:58,347 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:40:58,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-28 04:40:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:40:59,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 2471 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:40:59,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:41:00,005 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:41:00,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:41:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:41:00,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345742361] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:41:00,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:41:00,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-28 04:41:00,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152529984] [2024-11-28 04:41:00,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:41:00,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 04:41:00,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:41:00,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 04:41:00,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:41:00,089 INFO L87 Difference]: Start difference. First operand 791 states and 1080 transitions. Second operand has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:41:00,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:41:00,330 INFO L93 Difference]: Finished difference Result 1447 states and 2022 transitions. [2024-11-28 04:41:00,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 04:41:00,331 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 134 [2024-11-28 04:41:00,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:41:00,342 INFO L225 Difference]: With dead ends: 1447 [2024-11-28 04:41:00,342 INFO L226 Difference]: Without dead ends: 804 [2024-11-28 04:41:00,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:41:00,346 INFO L435 NwaCegarLoop]: 850 mSDtfsCounter, 5 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 2548 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 04:41:00,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 2548 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 04:41:00,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2024-11-28 04:41:00,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 801. [2024-11-28 04:41:00,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 718 states have (on average 1.3983286908077994) internal successors, (1004), 745 states have internal predecessors, (1004), 47 states have call successors, (47), 19 states have call predecessors, (47), 17 states have return successors, (45), 39 states have call predecessors, (45), 40 states have call successors, (45) [2024-11-28 04:41:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1096 transitions. [2024-11-28 04:41:00,415 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1096 transitions. Word has length 134 [2024-11-28 04:41:00,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:41:00,417 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1096 transitions. [2024-11-28 04:41:00,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.555555555555555) internal successors, (59), 9 states have internal predecessors, (59), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:41:00,417 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1096 transitions. [2024-11-28 04:41:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-28 04:41:00,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:41:00,419 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 4, 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] [2024-11-28 04:41:00,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-28 04:41:00,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:41:00,620 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:41:00,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:41:00,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1725913770, now seen corresponding path program 2 times [2024-11-28 04:41:00,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:41:00,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931874365] [2024-11-28 04:41:00,622 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:41:00,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:41:01,140 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:41:01,141 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:41:01,886 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:41:01,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:41:01,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931874365] [2024-11-28 04:41:01,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931874365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:41:01,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [300446702] [2024-11-28 04:41:01,886 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:41:01,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:41:01,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:41:01,888 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:41:01,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-28 04:41:04,422 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:41:04,422 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:41:04,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 2516 conjuncts, 144 conjuncts are in the unsatisfiable core [2024-11-28 04:41:04,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:41:04,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:41:04,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:04,673 INFO L349 Elim1Store]: treesize reduction 120, result has 31.4 percent of original size [2024-11-28 04:41:04,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 44 treesize of output 76 [2024-11-28 04:41:04,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:04,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:05,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:05,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:05,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:05,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:05,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:06,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:06,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:06,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:06,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:06,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:41:06,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:07,218 INFO L349 Elim1Store]: treesize reduction 108, result has 33.7 percent of original size [2024-11-28 04:41:07,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 42 treesize of output 81 [2024-11-28 04:41:07,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:07,563 INFO L349 Elim1Store]: treesize reduction 140, result has 31.4 percent of original size [2024-11-28 04:41:07,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 14 case distinctions, treesize of input 49 treesize of output 88 [2024-11-28 04:41:08,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:41:08,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2024-11-28 04:41:08,071 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:41:08,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 105 [2024-11-28 04:41:08,086 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2024-11-28 04:41:08,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2024-11-28 04:41:08,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:41:08,184 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2024-11-28 04:41:08,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:41:08,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 11 [2024-11-28 04:41:08,259 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2024-11-28 04:41:08,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 1 [2024-11-28 04:41:08,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:41:08,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 43 [2024-11-28 04:41:08,304 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2024-11-28 04:41:08,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 69 [2024-11-28 04:41:08,317 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-28 04:41:08,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:41:08,333 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 13 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 37 [2024-11-28 04:41:08,657 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:41:08,658 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 81 [2024-11-28 04:41:08,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:41:09,071 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:41:09,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 81 [2024-11-28 04:41:09,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:41:09,502 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:41:09,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 81 [2024-11-28 04:41:09,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:41:09,921 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:41:09,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 81 [2024-11-28 04:41:09,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:41:10,374 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:41:10,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 81 [2024-11-28 04:41:10,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:41:10,811 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:41:10,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 81 [2024-11-28 04:41:10,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:41:11,237 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:41:11,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 81 [2024-11-28 04:41:11,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:41:11,689 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:41:11,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 81 [2024-11-28 04:41:11,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:41:12,072 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-28 04:41:12,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 81 [2024-11-28 04:41:12,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-11-28 04:41:12,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 42 [2024-11-28 04:41:12,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:13,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:41:13,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 04:41:13,270 INFO L349 Elim1Store]: treesize reduction 24, result has 51.0 percent of original size [2024-11-28 04:41:13,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 22 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 41 treesize of output 49 [2024-11-28 04:41:13,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-28 04:41:13,695 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2024-11-28 04:41:13,696 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:41:14,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [300446702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:41:14,109 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 04:41:14,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18] total 25 [2024-11-28 04:41:14,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809916960] [2024-11-28 04:41:14,109 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 04:41:14,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-28 04:41:14,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:41:14,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 04:41:14,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=820, Unknown=7, NotChecked=0, Total=930 [2024-11-28 04:41:14,110 INFO L87 Difference]: Start difference. First operand 801 states and 1096 transitions. Second operand has 25 states, 24 states have (on average 4.25) internal successors, (102), 25 states have internal predecessors, (102), 3 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:41:29,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 04:41:34,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:41:34,753 INFO L93 Difference]: Finished difference Result 2121 states and 2992 transitions. [2024-11-28 04:41:34,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-28 04:41:34,754 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 4.25) internal successors, (102), 25 states have internal predecessors, (102), 3 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 137 [2024-11-28 04:41:34,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:41:34,760 INFO L225 Difference]: With dead ends: 2121 [2024-11-28 04:41:34,760 INFO L226 Difference]: Without dead ends: 1470 [2024-11-28 04:41:34,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=327, Invalid=2318, Unknown=7, NotChecked=0, Total=2652 [2024-11-28 04:41:34,763 INFO L435 NwaCegarLoop]: 765 mSDtfsCounter, 2160 mSDsluCounter, 9588 mSDsCounter, 0 mSdLazyCounter, 3701 mSolverCounterSat, 188 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2162 SdHoareTripleChecker+Valid, 10353 SdHoareTripleChecker+Invalid, 3889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 188 IncrementalHoareTripleChecker+Valid, 3701 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2024-11-28 04:41:34,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2162 Valid, 10353 Invalid, 3889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [188 Valid, 3701 Invalid, 0 Unknown, 0 Unchecked, 17.4s Time] [2024-11-28 04:41:34,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2024-11-28 04:41:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 908. [2024-11-28 04:41:34,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 908 states, 822 states have (on average 1.3722627737226278) internal successors, (1128), 851 states have internal predecessors, (1128), 48 states have call successors, (48), 19 states have call predecessors, (48), 19 states have return successors, (50), 40 states have call predecessors, (50), 41 states have call successors, (50) [2024-11-28 04:41:34,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1226 transitions. [2024-11-28 04:41:34,864 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1226 transitions. Word has length 137 [2024-11-28 04:41:34,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:41:34,864 INFO L471 AbstractCegarLoop]: Abstraction has 908 states and 1226 transitions. [2024-11-28 04:41:34,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 4.25) internal successors, (102), 25 states have internal predecessors, (102), 3 states have call successors, (4), 3 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-28 04:41:34,865 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1226 transitions. [2024-11-28 04:41:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-28 04:41:34,866 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:41:34,867 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 5, 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] [2024-11-28 04:41:34,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-28 04:41:35,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:41:35,067 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:41:35,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:41:35,068 INFO L85 PathProgramCache]: Analyzing trace with hash 460367746, now seen corresponding path program 1 times [2024-11-28 04:41:35,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:41:35,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229841015] [2024-11-28 04:41:35,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:41:35,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:41:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:41:36,087 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:41:36,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:41:36,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229841015] [2024-11-28 04:41:36,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229841015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:41:36,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390596275] [2024-11-28 04:41:36,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:41:36,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:41:36,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:41:36,091 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:41:36,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-28 04:41:38,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:41:38,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 2528 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-28 04:41:38,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:41:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:41:39,104 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:41:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:41:39,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390596275] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:41:39,375 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:41:39,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2024-11-28 04:41:39,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572521398] [2024-11-28 04:41:39,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:41:39,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-28 04:41:39,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:41:39,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-28 04:41:39,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=278, Unknown=0, NotChecked=0, Total=420 [2024-11-28 04:41:39,376 INFO L87 Difference]: Start difference. First operand 908 states and 1226 transitions. Second operand has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:41:40,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:41:40,192 INFO L93 Difference]: Finished difference Result 1587 states and 2206 transitions. [2024-11-28 04:41:40,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 04:41:40,193 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 138 [2024-11-28 04:41:40,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:41:40,197 INFO L225 Difference]: With dead ends: 1587 [2024-11-28 04:41:40,197 INFO L226 Difference]: Without dead ends: 920 [2024-11-28 04:41:40,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=367, Invalid=625, Unknown=0, NotChecked=0, Total=992 [2024-11-28 04:41:40,201 INFO L435 NwaCegarLoop]: 851 mSDtfsCounter, 8 mSDsluCounter, 8464 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 9315 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:41:40,201 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 9315 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 04:41:40,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 920 states. [2024-11-28 04:41:40,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 920 to 914. [2024-11-28 04:41:40,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 914 states, 829 states have (on average 1.3775633293124245) internal successors, (1142), 857 states have internal predecessors, (1142), 48 states have call successors, (48), 19 states have call predecessors, (48), 18 states have return successors, (46), 40 states have call predecessors, (46), 41 states have call successors, (46) [2024-11-28 04:41:40,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1236 transitions. [2024-11-28 04:41:40,309 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1236 transitions. Word has length 138 [2024-11-28 04:41:40,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:41:40,310 INFO L471 AbstractCegarLoop]: Abstraction has 914 states and 1236 transitions. [2024-11-28 04:41:40,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 1 states have call successors, (2), 1 states have call predecessors, (2), 3 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-28 04:41:40,310 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1236 transitions. [2024-11-28 04:41:40,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 04:41:40,312 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:41:40,312 INFO L218 NwaCegarLoop]: trace histogram [12, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-11-28 04:41:40,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-28 04:41:40,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-11-28 04:41:40,513 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:41:40,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:41:40,513 INFO L85 PathProgramCache]: Analyzing trace with hash -448501484, now seen corresponding path program 2 times [2024-11-28 04:41:40,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:41:40,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000641468] [2024-11-28 04:41:40,513 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:41:40,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:41:40,935 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:41:40,936 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:41:42,367 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:41:42,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:41:42,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000641468] [2024-11-28 04:41:42,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000641468] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:41:42,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973656519] [2024-11-28 04:41:42,368 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:41:42,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:41:42,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:41:42,370 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:41:42,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-28 04:41:50,160 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 04:41:50,160 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:41:50,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 2633 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 04:41:50,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:41:50,703 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:41:50,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:43:48,212 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 49 refuted. 29 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:43:48,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973656519] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:43:48,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:43:48,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 43 [2024-11-28 04:43:48,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473936427] [2024-11-28 04:43:48,213 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:43:48,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-11-28 04:43:48,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:43:48,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-11-28 04:43:48,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=462, Invalid=1315, Unknown=29, NotChecked=0, Total=1806 [2024-11-28 04:43:48,216 INFO L87 Difference]: Start difference. First operand 914 states and 1236 transitions. Second operand has 43 states, 43 states have (on average 2.1627906976744184) internal successors, (93), 43 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 04:44:13,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:44:13,004 INFO L93 Difference]: Finished difference Result 1614 states and 2256 transitions. [2024-11-28 04:44:13,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-28 04:44:13,005 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 43 states have (on average 2.1627906976744184) internal successors, (93), 43 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 145 [2024-11-28 04:44:13,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:44:13,010 INFO L225 Difference]: With dead ends: 1614 [2024-11-28 04:44:13,010 INFO L226 Difference]: Without dead ends: 941 [2024-11-28 04:44:13,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 140.8s TimeCoverageRelationStatistics Valid=1719, Invalid=4414, Unknown=29, NotChecked=0, Total=6162 [2024-11-28 04:44:13,014 INFO L435 NwaCegarLoop]: 852 mSDtfsCounter, 16 mSDsluCounter, 13599 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 14451 SdHoareTripleChecker+Invalid, 1396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:44:13,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 14451 Invalid, 1396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-28 04:44:13,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2024-11-28 04:44:13,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 935. [2024-11-28 04:44:13,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 935 states, 850 states have (on average 1.391764705882353) internal successors, (1183), 878 states have internal predecessors, (1183), 48 states have call successors, (48), 19 states have call predecessors, (48), 18 states have return successors, (46), 40 states have call predecessors, (46), 41 states have call successors, (46) [2024-11-28 04:44:13,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 935 states to 935 states and 1277 transitions. [2024-11-28 04:44:13,138 INFO L78 Accepts]: Start accepts. Automaton has 935 states and 1277 transitions. Word has length 145 [2024-11-28 04:44:13,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:44:13,138 INFO L471 AbstractCegarLoop]: Abstraction has 935 states and 1277 transitions. [2024-11-28 04:44:13,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.1627906976744184) internal successors, (93), 43 states have internal predecessors, (93), 1 states have call successors, (2), 1 states have call predecessors, (2), 4 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-28 04:44:13,139 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1277 transitions. [2024-11-28 04:44:13,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 04:44:13,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:44:13,140 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:44:13,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-28 04:44:13,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-28 04:44:13,341 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:44:13,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:44:13,341 INFO L85 PathProgramCache]: Analyzing trace with hash -1016045766, now seen corresponding path program 3 times [2024-11-28 04:44:13,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:44:13,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893518483] [2024-11-28 04:44:13,341 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:44:13,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:44:14,624 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-28 04:44:14,624 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:44:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:44:15,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:44:15,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893518483] [2024-11-28 04:44:15,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893518483] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:44:15,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352725451] [2024-11-28 04:44:15,224 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:44:15,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:44:15,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:44:15,226 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:44:15,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 04:48:09,817 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-28 04:48:09,817 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:48:09,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 2398 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:48:09,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:48:09,957 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:48:09,957 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:48:10,376 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2024-11-28 04:48:10,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352725451] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:48:10,376 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:48:10,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-11-28 04:48:10,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666138027] [2024-11-28 04:48:10,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:48:10,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-28 04:48:10,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:48:10,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-28 04:48:10,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:48:10,378 INFO L87 Difference]: Start difference. First operand 935 states and 1277 transitions. Second operand has 25 states, 24 states have (on average 5.041666666666667) internal successors, (121), 25 states have internal predecessors, (121), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:48:12,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:48:12,673 INFO L93 Difference]: Finished difference Result 9018 states and 13037 transitions. [2024-11-28 04:48:12,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 04:48:12,674 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 5.041666666666667) internal successors, (121), 25 states have internal predecessors, (121), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 145 [2024-11-28 04:48:12,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:48:12,704 INFO L225 Difference]: With dead ends: 9018 [2024-11-28 04:48:12,704 INFO L226 Difference]: Without dead ends: 9017 [2024-11-28 04:48:12,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-28 04:48:12,708 INFO L435 NwaCegarLoop]: 845 mSDtfsCounter, 15461 mSDsluCounter, 13141 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15637 SdHoareTripleChecker+Valid, 13986 SdHoareTripleChecker+Invalid, 527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 04:48:12,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15637 Valid, 13986 Invalid, 527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 04:48:12,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9017 states. [2024-11-28 04:48:12,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9017 to 1031. [2024-11-28 04:48:12,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 946 states have (on average 1.3773784355179703) internal successors, (1303), 974 states have internal predecessors, (1303), 48 states have call successors, (48), 19 states have call predecessors, (48), 18 states have return successors, (46), 40 states have call predecessors, (46), 41 states have call successors, (46) [2024-11-28 04:48:12,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1397 transitions. [2024-11-28 04:48:12,944 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1397 transitions. Word has length 145 [2024-11-28 04:48:12,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:48:12,945 INFO L471 AbstractCegarLoop]: Abstraction has 1031 states and 1397 transitions. [2024-11-28 04:48:12,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 5.041666666666667) internal successors, (121), 25 states have internal predecessors, (121), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:48:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1397 transitions. [2024-11-28 04:48:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-28 04:48:12,946 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:48:12,946 INFO L218 NwaCegarLoop]: trace histogram [26, 10, 10, 10, 10, 10, 10, 10, 10, 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] [2024-11-28 04:48:12,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-28 04:48:13,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-28 04:48:13,147 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [vasprintfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, remove_fileErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, remove_fileErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 59 more)] === [2024-11-28 04:48:13,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:48:13,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1075951956, now seen corresponding path program 3 times [2024-11-28 04:48:13,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:48:13,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658884078] [2024-11-28 04:48:13,148 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:48:13,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:48:15,711 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-11-28 04:48:15,712 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:48:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 739 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-28 04:48:18,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:48:18,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658884078] [2024-11-28 04:48:18,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658884078] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:48:18,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1529331915] [2024-11-28 04:48:18,270 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:48:18,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:48:18,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:48:18,272 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:48:18,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48825062-9239-47a2-8e7a-1479a1e938f1/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process