./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:11:26,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:11:26,434 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-21 22:11:26,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:11:26,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:11:26,499 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:11:26,499 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:11:26,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:11:26,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:11:26,501 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:11:26,502 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:11:26,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:11:26,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:11:26,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:11:26,505 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:11:26,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:11:26,506 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:11:26,506 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:11:26,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:11:26,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:11:26,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:11:26,509 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:11:26,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:11:26,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:11:26,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 22:11:26,510 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:11:26,511 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:11:26,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:11:26,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:11:26,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:11:26,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:11:26,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:11:26,523 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:11:26,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:26,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:11:26,524 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:11:26,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:11:26,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:11:26,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:11:26,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:11:26,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:11:26,527 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:11:26,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:11:26,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:11:26,528 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 26a58d7d603dc7e351440fbc8be1a2e69d6c8a245d05ca1fdcdd97a1f744081c [2023-11-21 22:11:26,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:11:26,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:11:26,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:11:26,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:11:26,848 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:11:26,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-2.i [2023-11-21 22:11:30,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:11:30,402 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:11:30,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_nondet_test1-2.i [2023-11-21 22:11:30,424 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/data/a0b47ad82/b1c41db8bfee426b90f5615a6f0f2d5a/FLAGa4069f305 [2023-11-21 22:11:30,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/data/a0b47ad82/b1c41db8bfee426b90f5615a6f0f2d5a [2023-11-21 22:11:30,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:11:30,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:11:30,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:30,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:11:30,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:11:30,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:30" (1/1) ... [2023-11-21 22:11:30,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b7c4644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:30, skipping insertion in model container [2023-11-21 22:11:30,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:11:30" (1/1) ... [2023-11-21 22:11:30,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:11:30,914 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:11:31,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:31,231 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:11:31,251 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 22:11:31,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:11:31,421 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:11:31,428 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:11:31,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31 WrapperNode [2023-11-21 22:11:31,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:11:31,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:31,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:11:31,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:11:31,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,563 INFO L138 Inliner]: procedures = 178, calls = 229, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 925 [2023-11-21 22:11:31,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:11:31,564 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:11:31,564 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:11:31,564 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:11:31,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,605 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,715 WARN L106 HeapSplitter]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure #Ultimate.C_memset is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2023-11-21 22:11:31,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,799 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,809 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:11:31,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:11:31,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:11:31,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:11:31,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (1/1) ... [2023-11-21 22:11:31,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:11:31,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:11:31,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:11:31,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:11:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 22:11:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 22:11:31,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-21 22:11:31,988 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-21 22:11:31,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:11:31,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:11:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:11:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 22:11:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 22:11:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:11:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 22:11:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:11:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:11:32,249 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:11:32,254 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:11:33,535 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:11:34,833 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:11:34,834 INFO L308 CfgBuilder]: Removed 40 assume(true) statements. [2023-11-21 22:11:34,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:34 BoogieIcfgContainer [2023-11-21 22:11:34,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:11:34,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:11:34,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:11:34,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:11:34,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:11:30" (1/3) ... [2023-11-21 22:11:34,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ffdae15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:11:34, skipping insertion in model container [2023-11-21 22:11:34,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:11:31" (2/3) ... [2023-11-21 22:11:34,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ffdae15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:11:34, skipping insertion in model container [2023-11-21 22:11:34,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:34" (3/3) ... [2023-11-21 22:11:34,845 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_nondet_test1-2.i [2023-11-21 22:11:34,865 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:11:34,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-21 22:11:34,916 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:11:34,923 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59daa118, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:11:34,923 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-21 22:11:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 74 states have (on average 1.7432432432432432) internal successors, (129), 80 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:11:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 22:11:34,934 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:11:34,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-21 22:11:34,935 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:11:34,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:34,940 INFO L85 PathProgramCache]: Analyzing trace with hash 949494, now seen corresponding path program 1 times [2023-11-21 22:11:34,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:34,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302642365] [2023-11-21 22:11:34,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:34,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:35,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:35,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302642365] [2023-11-21 22:11:35,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302642365] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:35,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:11:35,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:11:35,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98282705] [2023-11-21 22:11:35,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:35,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:11:35,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:35,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:11:35,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:11:35,399 INFO L87 Difference]: Start difference. First operand has 85 states, 74 states have (on average 1.7432432432432432) internal successors, (129), 80 states have internal predecessors, (129), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:37,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:11:39,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:11:41,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:11:43,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:11:45,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 22:11:46,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:46,045 INFO L93 Difference]: Finished difference Result 173 states and 275 transitions. [2023-11-21 22:11:46,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:11:46,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2023-11-21 22:11:46,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:11:46,060 INFO L225 Difference]: With dead ends: 173 [2023-11-21 22:11:46,060 INFO L226 Difference]: Without dead ends: 73 [2023-11-21 22:11:46,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:11:46,067 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 75 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2023-11-21 22:11:46,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 132 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 3 Unknown, 0 Unchecked, 10.6s Time] [2023-11-21 22:11:46,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-21 22:11:46,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2023-11-21 22:11:46,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 63 states have internal predecessors, (71), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:11:46,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2023-11-21 22:11:46,115 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 3 [2023-11-21 22:11:46,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:11:46,116 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2023-11-21 22:11:46,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:46,116 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2023-11-21 22:11:46,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:11:46,117 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:11:46,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:11:46,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 22:11:46,118 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:11:46,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:46,118 INFO L85 PathProgramCache]: Analyzing trace with hash 29434373, now seen corresponding path program 1 times [2023-11-21 22:11:46,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:46,119 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516984570] [2023-11-21 22:11:46,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:46,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:46,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:46,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:46,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516984570] [2023-11-21 22:11:46,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516984570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:46,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:11:46,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:11:46,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732515865] [2023-11-21 22:11:46,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:46,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-21 22:11:46,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:46,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:11:46,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:11:46,308 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:48,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:11:50,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:11:52,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:11:54,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:11:55,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:11:55,999 INFO L93 Difference]: Finished difference Result 141 states and 161 transitions. [2023-11-21 22:11:56,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:11:56,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2023-11-21 22:11:56,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:11:56,006 INFO L225 Difference]: With dead ends: 141 [2023-11-21 22:11:56,006 INFO L226 Difference]: Without dead ends: 73 [2023-11-21 22:11:56,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:11:56,009 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 5 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2023-11-21 22:11:56,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 163 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 3 Unknown, 0 Unchecked, 9.7s Time] [2023-11-21 22:11:56,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-21 22:11:56,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2023-11-21 22:11:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 63 states have internal predecessors, (71), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:11:56,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2023-11-21 22:11:56,024 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 4 [2023-11-21 22:11:56,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:11:56,024 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2023-11-21 22:11:56,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2023-11-21 22:11:56,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 22:11:56,025 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:11:56,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 22:11:56,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-21 22:11:56,026 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:11:56,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:11:56,027 INFO L85 PathProgramCache]: Analyzing trace with hash 29525644, now seen corresponding path program 1 times [2023-11-21 22:11:56,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:11:56,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105076890] [2023-11-21 22:11:56,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:11:56,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:11:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:11:56,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:11:56,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:11:56,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105076890] [2023-11-21 22:11:56,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105076890] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:11:56,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:11:56,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:11:56,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856756074] [2023-11-21 22:11:56,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:11:56,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:11:56,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:11:56,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:11:56,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:11:56,057 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:11:58,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:00,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:02,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:03,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2023-11-21 22:12:03,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:12:03,327 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2023-11-21 22:12:03,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:12:03,336 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2023-11-21 22:12:03,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:12:03,337 INFO L225 Difference]: With dead ends: 78 [2023-11-21 22:12:03,337 INFO L226 Difference]: Without dead ends: 73 [2023-11-21 22:12:03,338 INFO L412 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 [2023-11-21 22:12:03,340 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 55 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-11-21 22:12:03,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 73 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2023-11-21 22:12:03,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-21 22:12:03,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 68. [2023-11-21 22:12:03,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 59 states have (on average 1.1864406779661016) internal successors, (70), 63 states have internal predecessors, (70), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:12:03,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 76 transitions. [2023-11-21 22:12:03,351 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 76 transitions. Word has length 4 [2023-11-21 22:12:03,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:12:03,352 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 76 transitions. [2023-11-21 22:12:03,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:12:03,352 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2023-11-21 22:12:03,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 22:12:03,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:03,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:12:03,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-21 22:12:03,355 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:12:03,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:03,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1817453761, now seen corresponding path program 1 times [2023-11-21 22:12:03,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:03,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610518239] [2023-11-21 22:12:03,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:03,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:12:03,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:03,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610518239] [2023-11-21 22:12:03,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610518239] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:12:03,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:12:03,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:12:03,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151179981] [2023-11-21 22:12:03,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:12:03,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-21 22:12:03,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:03,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:12:03,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:12:03,672 INFO L87 Difference]: Start difference. First operand 68 states and 76 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:12:05,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:07,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:09,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:10,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:12:10,661 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2023-11-21 22:12:10,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:12:10,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 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 31 [2023-11-21 22:12:10,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:12:10,667 INFO L225 Difference]: With dead ends: 143 [2023-11-21 22:12:10,667 INFO L226 Difference]: Without dead ends: 79 [2023-11-21 22:12:10,668 INFO L412 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 [2023-11-21 22:12:10,669 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 7 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:12:10,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 104 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 7.0s Time] [2023-11-21 22:12:10,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-21 22:12:10,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-21 22:12:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 70 states have (on average 1.1571428571428573) internal successors, (81), 74 states have internal predecessors, (81), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-21 22:12:10,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 87 transitions. [2023-11-21 22:12:10,685 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 87 transitions. Word has length 31 [2023-11-21 22:12:10,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:12:10,686 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 87 transitions. [2023-11-21 22:12:10,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:12:10,687 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 87 transitions. [2023-11-21 22:12:10,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 22:12:10,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:10,689 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:12:10,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-21 22:12:10,690 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:12:10,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:10,690 INFO L85 PathProgramCache]: Analyzing trace with hash 368276968, now seen corresponding path program 1 times [2023-11-21 22:12:10,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:10,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580264521] [2023-11-21 22:12:10,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:10,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:11,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 22:12:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:11,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-21 22:12:11,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:12:11,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:11,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580264521] [2023-11-21 22:12:11,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580264521] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:12:11,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:12:11,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:12:11,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033720444] [2023-11-21 22:12:11,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:12:11,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-21 22:12:11,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:11,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-21 22:12:11,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-21 22:12:11,086 INFO L87 Difference]: Start difference. First operand 79 states and 87 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2023-11-21 22:12:13,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:15,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:17,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:19,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:21,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:23,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:25,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:27,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:12:27,310 INFO L93 Difference]: Finished difference Result 120 states and 140 transitions. [2023-11-21 22:12:27,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:12:27,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 44 [2023-11-21 22:12:27,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:12:27,317 INFO L225 Difference]: With dead ends: 120 [2023-11-21 22:12:27,317 INFO L226 Difference]: Without dead ends: 118 [2023-11-21 22:12:27,317 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-21 22:12:27,318 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 24 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2023-11-21 22:12:27,319 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 224 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 109 Invalid, 6 Unknown, 0 Unchecked, 16.2s Time] [2023-11-21 22:12:27,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-21 22:12:27,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2023-11-21 22:12:27,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 104 states have (on average 1.1346153846153846) internal successors, (118), 108 states have internal predecessors, (118), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-21 22:12:27,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 130 transitions. [2023-11-21 22:12:27,338 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 130 transitions. Word has length 44 [2023-11-21 22:12:27,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:12:27,339 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 130 transitions. [2023-11-21 22:12:27,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2023-11-21 22:12:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 130 transitions. [2023-11-21 22:12:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 22:12:27,341 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:12:27,342 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-21 22:12:27,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-21 22:12:27,342 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-21 22:12:27,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:12:27,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1667243181, now seen corresponding path program 1 times [2023-11-21 22:12:27,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:12:27,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206181371] [2023-11-21 22:12:27,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:27,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:12:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2023-11-21 22:12:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2023-11-21 22:12:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:12:28,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:12:28,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206181371] [2023-11-21 22:12:28,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206181371] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:12:28,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121750808] [2023-11-21 22:12:28,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:12:28,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:12:28,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:12:28,474 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:12:28,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:12:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:12:28,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:12:28,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:12:29,185 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:12:29,185 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:12:29,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-21 22:12:29,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121750808] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:12:29,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:12:29,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2023-11-21 22:12:29,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364597133] [2023-11-21 22:12:29,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:12:29,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-21 22:12:29,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:12:29,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-21 22:12:29,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-11-21 22:12:29,379 INFO L87 Difference]: Start difference. First operand 116 states and 130 transitions. Second operand has 14 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-21 22:12:31,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-21 22:12:31,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:12:31,434 INFO L93 Difference]: Finished difference Result 116 states and 130 transitions. [2023-11-21 22:12:31,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-21 22:12:31,442 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 48 [2023-11-21 22:12:31,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:12:31,442 INFO L225 Difference]: With dead ends: 116 [2023-11-21 22:12:31,442 INFO L226 Difference]: Without dead ends: 0 [2023-11-21 22:12:31,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2023-11-21 22:12:31,445 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-11-21 22:12:31,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-11-21 22:12:31,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-21 22:12:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-21 22:12:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:12:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-21 22:12:31,447 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2023-11-21 22:12:31,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:12:31,447 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:12:31,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.923076923076923) internal successors, (90), 13 states have internal predecessors, (90), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-21 22:12:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:12:31,447 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 22:12:31,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-21 22:12:31,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-21 22:12:31,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-21 22:12:31,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-21 22:12:31,450 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-21 22:12:31,451 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-21 22:12:31,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:12:31,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-21 22:12:31,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-21 22:12:31,746 INFO L899 garLoopResultBuilder]: For program point #Ultimate.C_memsetEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:12:31,746 INFO L902 garLoopResultBuilder]: At program point L-1-1(line -1) the Hoare annotation is: true [2023-11-21 22:12:31,746 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-11-21 22:12:31,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 737) no Hoare annotation was computed. [2023-11-21 22:12:31,747 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 737) no Hoare annotation was computed. [2023-11-21 22:12:31,747 INFO L899 garLoopResultBuilder]: For program point L737-2(lines 737 746) no Hoare annotation was computed. [2023-11-21 22:12:31,747 INFO L899 garLoopResultBuilder]: For program point L737-3(line 737) no Hoare annotation was computed. [2023-11-21 22:12:31,747 INFO L899 garLoopResultBuilder]: For program point L737-4(line 737) no Hoare annotation was computed. [2023-11-21 22:12:31,748 INFO L895 garLoopResultBuilder]: At program point L737-5(lines 737 746) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~sum~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0)) [2023-11-21 22:12:31,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 748) no Hoare annotation was computed. [2023-11-21 22:12:31,748 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 748) no Hoare annotation was computed. [2023-11-21 22:12:31,749 INFO L899 garLoopResultBuilder]: For program point L744(line 744) no Hoare annotation was computed. [2023-11-21 22:12:31,749 INFO L899 garLoopResultBuilder]: For program point L744-1(line 744) no Hoare annotation was computed. [2023-11-21 22:12:31,749 INFO L895 garLoopResultBuilder]: At program point L747-3(lines 747 749) the Hoare annotation is: false [2023-11-21 22:12:31,749 INFO L899 garLoopResultBuilder]: For program point L745-68(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,749 INFO L902 garLoopResultBuilder]: At program point L745-69(line 745) the Hoare annotation is: true [2023-11-21 22:12:31,749 INFO L899 garLoopResultBuilder]: For program point L745-70(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,750 INFO L895 garLoopResultBuilder]: At program point L745-71(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (<= |ULTIMATE.start_main_~sum~0#1| 32767)) [2023-11-21 22:12:31,750 INFO L899 garLoopResultBuilder]: For program point L748(line 748) no Hoare annotation was computed. [2023-11-21 22:12:31,750 INFO L899 garLoopResultBuilder]: For program point L748-1(line 748) no Hoare annotation was computed. [2023-11-21 22:12:31,750 INFO L899 garLoopResultBuilder]: For program point L745-170(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,751 INFO L895 garLoopResultBuilder]: At program point L745-171(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (<= |ULTIMATE.start_main_~sum~0#1| 32767)) [2023-11-21 22:12:31,751 INFO L899 garLoopResultBuilder]: For program point L745-172(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,751 INFO L899 garLoopResultBuilder]: For program point L745-173(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,751 INFO L895 garLoopResultBuilder]: At program point L745-174(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (<= |ULTIMATE.start_main_~sum~0#1| 32767)) [2023-11-21 22:12:31,751 INFO L899 garLoopResultBuilder]: For program point L745-175(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,752 INFO L895 garLoopResultBuilder]: At program point L745-176(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (<= |ULTIMATE.start_main_~sum~0#1| 32767)) [2023-11-21 22:12:31,752 INFO L899 garLoopResultBuilder]: For program point L745-178(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,752 INFO L899 garLoopResultBuilder]: For program point L745-180(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,752 INFO L895 garLoopResultBuilder]: At program point L745-182(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,752 INFO L899 garLoopResultBuilder]: For program point L745-183(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,753 INFO L899 garLoopResultBuilder]: For program point L745-184(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,753 INFO L895 garLoopResultBuilder]: At program point L745-186(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,753 INFO L899 garLoopResultBuilder]: For program point L745-187(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,753 INFO L899 garLoopResultBuilder]: For program point L745-188(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,753 INFO L895 garLoopResultBuilder]: At program point L745-189(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,753 INFO L899 garLoopResultBuilder]: For program point L745-190(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,754 INFO L899 garLoopResultBuilder]: For program point L745-193(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,754 INFO L895 garLoopResultBuilder]: At program point L745-194(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,754 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-21 22:12:31,754 INFO L899 garLoopResultBuilder]: For program point L745-202(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,754 INFO L895 garLoopResultBuilder]: At program point L745-203(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,754 INFO L899 garLoopResultBuilder]: For program point L745-210(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,755 INFO L899 garLoopResultBuilder]: For program point L745-212(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,755 INFO L895 garLoopResultBuilder]: At program point L745-214(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,755 INFO L899 garLoopResultBuilder]: For program point L745-215(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,755 INFO L899 garLoopResultBuilder]: For program point L745-225(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,755 INFO L895 garLoopResultBuilder]: At program point L752-9(lines 752 755) the Hoare annotation is: (= |ULTIMATE.start_main_~sum~0#1| 0) [2023-11-21 22:12:31,765 INFO L899 garLoopResultBuilder]: For program point L745-235(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,766 INFO L895 garLoopResultBuilder]: At program point L745-236(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,766 INFO L899 garLoopResultBuilder]: For program point L745-237(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,767 INFO L895 garLoopResultBuilder]: At program point L745-246(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,767 INFO L895 garLoopResultBuilder]: At program point L745-248(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,768 INFO L899 garLoopResultBuilder]: For program point L745-249(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,769 INFO L899 garLoopResultBuilder]: For program point L753-3(line 753) no Hoare annotation was computed. [2023-11-21 22:12:31,770 INFO L899 garLoopResultBuilder]: For program point L745-255(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,770 INFO L899 garLoopResultBuilder]: For program point L745-256(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,770 INFO L899 garLoopResultBuilder]: For program point L753-8(line 753) no Hoare annotation was computed. [2023-11-21 22:12:31,770 INFO L895 garLoopResultBuilder]: At program point L745-257(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,771 INFO L899 garLoopResultBuilder]: For program point L745-259(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,771 INFO L899 garLoopResultBuilder]: For program point L753-11(line 753) no Hoare annotation was computed. [2023-11-21 22:12:31,771 INFO L899 garLoopResultBuilder]: For program point L745-260(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,771 INFO L895 garLoopResultBuilder]: At program point L753-12(line 753) the Hoare annotation is: (= |ULTIMATE.start_main_~sum~0#1| 0) [2023-11-21 22:12:31,771 INFO L895 garLoopResultBuilder]: At program point L745-261(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,771 INFO L899 garLoopResultBuilder]: For program point L753-13(line 753) no Hoare annotation was computed. [2023-11-21 22:12:31,772 INFO L899 garLoopResultBuilder]: For program point L745-262(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,772 INFO L899 garLoopResultBuilder]: For program point L745-263(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,779 INFO L895 garLoopResultBuilder]: At program point L745-264(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,779 INFO L899 garLoopResultBuilder]: For program point L745-265(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,779 INFO L895 garLoopResultBuilder]: At program point L745-266(line 745) the Hoare annotation is: false [2023-11-21 22:12:31,779 INFO L899 garLoopResultBuilder]: For program point L745-267(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,779 INFO L899 garLoopResultBuilder]: For program point L745-268(line 745) no Hoare annotation was computed. [2023-11-21 22:12:31,780 INFO L895 garLoopResultBuilder]: At program point L745-269(line 745) the Hoare annotation is: (and (= |ULTIMATE.start_main_~i~0#1| 0) (= |ULTIMATE.start_main_~users~0#1.offset| 0) (= |ULTIMATE.start_main_~users~0#1.base| 0) (<= |ULTIMATE.start_main_~sum~0#1| 32767)) [2023-11-21 22:12:31,780 INFO L899 garLoopResultBuilder]: For program point L753-22(line 753) no Hoare annotation was computed. [2023-11-21 22:12:31,780 INFO L895 garLoopResultBuilder]: At program point L753-23(line 753) the Hoare annotation is: (= |ULTIMATE.start_main_~sum~0#1| 0) [2023-11-21 22:12:31,780 INFO L899 garLoopResultBuilder]: For program point L753-34(line 753) no Hoare annotation was computed. [2023-11-21 22:12:31,780 INFO L895 garLoopResultBuilder]: At program point L753-35(line 753) the Hoare annotation is: (= |ULTIMATE.start_main_~sum~0#1| 0) [2023-11-21 22:12:31,781 INFO L899 garLoopResultBuilder]: For program point L753-36(line 753) no Hoare annotation was computed. [2023-11-21 22:12:31,781 INFO L899 garLoopResultBuilder]: For program point L753-37(line 753) no Hoare annotation was computed. [2023-11-21 22:12:31,781 INFO L899 garLoopResultBuilder]: For program point L753-38(line 753) no Hoare annotation was computed. [2023-11-21 22:12:31,781 INFO L895 garLoopResultBuilder]: At program point L753-39(line 753) the Hoare annotation is: (= |ULTIMATE.start_main_~sum~0#1| 0) [2023-11-21 22:12:31,781 INFO L899 garLoopResultBuilder]: For program point L753-40(line 753) no Hoare annotation was computed. [2023-11-21 22:12:31,781 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 744) no Hoare annotation was computed. [2023-11-21 22:12:31,782 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 744) no Hoare annotation was computed. [2023-11-21 22:12:31,782 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-21 22:12:31,785 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-21 22:12:31,787 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 22:12:31,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 10:12:31 BoogieIcfgContainer [2023-11-21 22:12:31,812 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 22:12:31,813 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:12:31,818 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:12:31,818 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:12:31,819 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:11:34" (3/4) ... [2023-11-21 22:12:31,821 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 22:12:31,824 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure #Ultimate.C_memset [2023-11-21 22:12:31,858 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 152 nodes and edges [2023-11-21 22:12:31,859 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-21 22:12:31,861 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 22:12:31,862 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 22:12:32,076 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/witness.graphml [2023-11-21 22:12:32,077 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/witness.yml [2023-11-21 22:12:32,078 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:12:32,078 INFO L158 Benchmark]: Toolchain (without parser) took 61616.30ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 124.3MB in the beginning and 101.0MB in the end (delta: 23.3MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. [2023-11-21 22:12:32,079 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:12:32,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 963.71ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 94.9MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-21 22:12:32,080 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.49ms. Allocated memory is still 157.3MB. Free memory was 94.9MB in the beginning and 88.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 22:12:32,080 INFO L158 Benchmark]: Boogie Preprocessor took 270.72ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 74.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:12:32,081 INFO L158 Benchmark]: RCFGBuilder took 3000.35ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 74.7MB in the beginning and 107.3MB in the end (delta: -32.6MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-21 22:12:32,081 INFO L158 Benchmark]: TraceAbstraction took 56973.66ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 107.3MB in the beginning and 112.5MB in the end (delta: -5.2MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-11-21 22:12:32,082 INFO L158 Benchmark]: Witness Printer took 265.27ms. Allocated memory is still 232.8MB. Free memory was 112.5MB in the beginning and 101.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 22:12:32,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 963.71ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 94.9MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.49ms. Allocated memory is still 157.3MB. Free memory was 94.9MB in the beginning and 88.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 270.72ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 74.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3000.35ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 74.7MB in the beginning and 107.3MB in the end (delta: -32.6MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * TraceAbstraction took 56973.66ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 107.3MB in the beginning and 112.5MB in the end (delta: -5.2MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. * Witness Printer took 265.27ms. Allocated memory is still 232.8MB. Free memory was 112.5MB in the beginning and 101.0MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 744]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 737]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 737]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 748]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 748]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 85 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 56.9s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 53.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17 mSolverCounterUnknown, 176 SdHoareTripleChecker+Valid, 52.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 166 mSDsluCounter, 711 SdHoareTripleChecker+Invalid, 52.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 308 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=5, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 56 PreInvPairs, 68 NumberOfFragments, 110 HoareAnnotationTreeSize, 56 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 182 NumberOfCodeBlocks, 182 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 724 SizeOfPredicates, 6 NumberOfNonLiveVariables, 483 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 12/21 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 752]: Loop Invariant Derived loop invariant: (sum == 0) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (sum == 0) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((i == 0) && (sum <= 32767)) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((i == 0) && (sum <= 32767)) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((i == 0) && (sum <= 32767)) - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 747]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (sum == 0) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (sum == 0) - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((i == 0) && (sum == 0)) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((i == 0) && (sum <= 32767)) - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: (sum == 0) - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: ((i == 0) && (sum <= 32767)) RESULT: Ultimate proved your program to be correct! [2023-11-21 22:12:32,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c12da49-5397-489c-a81a-52592f665eeb/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE