./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 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_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9cd8abd463896cab71131a4329cf3679cd4559f0c11b6170ba6b3a9c816efc8a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:14:56,814 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:14:56,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 16:14:56,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:14:56,914 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:14:56,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:14:56,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:14:56,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:14:56,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:14:56,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:14:56,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:14:56,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:14:56,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:14:56,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:14:56,968 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:14:56,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:14:56,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:14:56,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:14:56,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:14:56,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:14:56,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:14:56,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:14:56,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:14:56,973 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:14:56,973 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:14:56,974 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:14:56,974 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:14:56,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:14:56,975 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:14:56,976 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:14:56,976 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:14:56,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:14:56,977 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:14:56,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:14:56,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:14:56,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:14:56,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:14:56,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:14:56,980 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:14:56,980 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:14:56,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:14:56,981 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_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cd8abd463896cab71131a4329cf3679cd4559f0c11b6170ba6b3a9c816efc8a [2024-11-08 16:14:57,296 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:14:57,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:14:57,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:14:57,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:14:57,346 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:14:57,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_14_bad.i Unable to find full path for "g++" [2024-11-08 16:14:59,815 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:15:00,209 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:15:00,212 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_14_bad.i [2024-11-08 16:15:00,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/data/fd13542d2/f61728f8484b438893c76710d9a1da62/FLAGfa2727bd5 [2024-11-08 16:15:00,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/data/fd13542d2/f61728f8484b438893c76710d9a1da62 [2024-11-08 16:15:00,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:15:00,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:15:00,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:15:00,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:15:00,407 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:15:00,408 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:15:00" (1/1) ... [2024-11-08 16:15:00,409 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5997eaad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:00, skipping insertion in model container [2024-11-08 16:15:00,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:15:00" (1/1) ... [2024-11-08 16:15:00,489 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:15:01,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:15:01,814 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:15:01,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:15:02,228 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:15:02,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02 WrapperNode [2024-11-08 16:15:02,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:15:02,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:15:02,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:15:02,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:15:02,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,335 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2024-11-08 16:15:02,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:15:02,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:15:02,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:15:02,337 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:15:02,355 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,355 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,359 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,373 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:15:02,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,374 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,398 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,405 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:15:02,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:15:02,407 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:15:02,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:15:02,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (1/1) ... [2024-11-08 16:15:02,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:15:02,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:15:02,458 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:15:02,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:15:02,506 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:15:02,506 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:15:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:15:02,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:15:02,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:15:02,739 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:15:02,741 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:15:03,040 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2024-11-08 16:15:03,040 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:15:03,063 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:15:03,063 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:15:03,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:03 BoogieIcfgContainer [2024-11-08 16:15:03,064 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:15:03,069 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:15:03,069 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:15:03,075 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:15:03,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:15:00" (1/3) ... [2024-11-08 16:15:03,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27118d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:15:03, skipping insertion in model container [2024-11-08 16:15:03,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:02" (2/3) ... [2024-11-08 16:15:03,079 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27118d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:15:03, skipping insertion in model container [2024-11-08 16:15:03,079 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:03" (3/3) ... [2024-11-08 16:15:03,081 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_14_bad.i [2024-11-08 16:15:03,105 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:15:03,106 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:15:03,177 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:15:03,188 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@fc37f57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:15:03,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:15:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 39 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:15:03,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 16:15:03,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:15:03,210 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:15:03,213 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:15:03,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:15:03,223 INFO L85 PathProgramCache]: Analyzing trace with hash 433338487, now seen corresponding path program 1 times [2024-11-08 16:15:03,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:15:03,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672754947] [2024-11-08 16:15:03,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:15:03,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:15:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:15:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:15:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:15:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:15:03,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:15:03,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672754947] [2024-11-08 16:15:03,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672754947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:15:03,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:15:03,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:15:03,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867662286] [2024-11-08 16:15:03,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:15:03,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:15:03,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:15:03,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:15:03,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:15:03,694 INFO L87 Difference]: Start difference. First operand has 43 states, 37 states have (on average 1.4864864864864864) internal successors, (55), 39 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:03,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:15:03,734 INFO L93 Difference]: Finished difference Result 59 states and 76 transitions. [2024-11-08 16:15:03,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:15:03,737 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-08 16:15:03,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:15:03,747 INFO L225 Difference]: With dead ends: 59 [2024-11-08 16:15:03,748 INFO L226 Difference]: Without dead ends: 36 [2024-11-08 16:15:03,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:15:03,761 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:15:03,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 55 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:15:03,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-08 16:15:03,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-08 16:15:03,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.46875) internal successors, (47), 33 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:03,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 49 transitions. [2024-11-08 16:15:03,808 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 49 transitions. Word has length 11 [2024-11-08 16:15:03,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:15:03,809 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 49 transitions. [2024-11-08 16:15:03,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:03,810 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 49 transitions. [2024-11-08 16:15:03,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 16:15:03,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:15:03,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:15:03,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:15:03,826 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:15:03,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:15:03,828 INFO L85 PathProgramCache]: Analyzing trace with hash -423377772, now seen corresponding path program 1 times [2024-11-08 16:15:03,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:15:03,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548817436] [2024-11-08 16:15:03,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:15:03,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:15:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:15:04,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:15:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:15:04,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:15:04,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:15:04,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548817436] [2024-11-08 16:15:04,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548817436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:15:04,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:15:04,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:15:04,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969336250] [2024-11-08 16:15:04,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:15:04,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:15:04,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:15:04,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:15:04,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:15:04,463 INFO L87 Difference]: Start difference. First operand 36 states and 49 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:04,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:15:04,667 INFO L93 Difference]: Finished difference Result 42 states and 55 transitions. [2024-11-08 16:15:04,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:15:04,668 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-08 16:15:04,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:15:04,669 INFO L225 Difference]: With dead ends: 42 [2024-11-08 16:15:04,669 INFO L226 Difference]: Without dead ends: 41 [2024-11-08 16:15:04,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:15:04,673 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 40 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:15:04,674 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 191 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:15:04,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-11-08 16:15:04,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2024-11-08 16:15:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:04,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2024-11-08 16:15:04,689 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 17 [2024-11-08 16:15:04,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:15:04,689 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2024-11-08 16:15:04,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 7 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:04,691 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2024-11-08 16:15:04,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 16:15:04,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:15:04,695 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:15:04,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:15:04,695 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:15:04,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:15:04,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1868440622, now seen corresponding path program 1 times [2024-11-08 16:15:04,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:15:04,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358333305] [2024-11-08 16:15:04,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:15:04,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:15:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:15:04,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 16:15:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:15:04,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:15:04,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:15:04,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358333305] [2024-11-08 16:15:04,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [358333305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:15:04,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:15:04,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:15:04,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290277303] [2024-11-08 16:15:04,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:15:04,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:15:04,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:15:04,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:15:04,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:15:04,883 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:04,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:15:04,910 INFO L93 Difference]: Finished difference Result 40 states and 53 transitions. [2024-11-08 16:15:04,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:15:04,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-08 16:15:04,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:15:04,914 INFO L225 Difference]: With dead ends: 40 [2024-11-08 16:15:04,916 INFO L226 Difference]: Without dead ends: 39 [2024-11-08 16:15:04,917 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:15:04,920 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 36 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:15:04,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 97 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:15:04,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-08 16:15:04,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2024-11-08 16:15:04,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.4375) internal successors, (46), 32 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:04,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2024-11-08 16:15:04,935 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 17 [2024-11-08 16:15:04,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:15:04,936 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2024-11-08 16:15:04,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:04,937 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-08 16:15:04,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 16:15:04,939 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:15:04,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:15:04,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:15:04,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:15:04,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:15:04,941 INFO L85 PathProgramCache]: Analyzing trace with hash -239808910, now seen corresponding path program 1 times [2024-11-08 16:15:04,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:15:04,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118976315] [2024-11-08 16:15:04,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:15:04,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:15:04,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:15:04,982 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:15:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:15:05,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:15:05,039 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:15:05,041 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:15:05,043 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:15:05,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:15:05,048 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 16:15:05,078 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:15:05,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:15:05 BoogieIcfgContainer [2024-11-08 16:15:05,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:15:05,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:15:05,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:15:05,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:15:05,085 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:03" (3/4) ... [2024-11-08 16:15:05,088 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:15:05,090 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:15:05,091 INFO L158 Benchmark]: Toolchain (without parser) took 4695.40ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 102.5MB in the beginning and 78.5MB in the end (delta: 24.0MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2024-11-08 16:15:05,092 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:15:05,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1832.46ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 102.5MB in the beginning and 121.1MB in the end (delta: -18.6MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2024-11-08 16:15:05,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.59ms. Allocated memory is still 176.2MB. Free memory was 121.1MB in the beginning and 118.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:15:05,093 INFO L158 Benchmark]: Boogie Preprocessor took 67.95ms. Allocated memory is still 176.2MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:15:05,094 INFO L158 Benchmark]: RCFGBuilder took 657.46ms. Allocated memory is still 176.2MB. Free memory was 115.9MB in the beginning and 99.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:15:05,099 INFO L158 Benchmark]: TraceAbstraction took 2013.62ms. Allocated memory is still 176.2MB. Free memory was 99.0MB in the beginning and 79.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-11-08 16:15:05,099 INFO L158 Benchmark]: Witness Printer took 6.63ms. Allocated memory is still 176.2MB. Free memory was 79.5MB in the beginning and 78.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:15:05,102 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 146.8MB. Free memory is still 89.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1832.46ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 102.5MB in the beginning and 121.1MB in the end (delta: -18.6MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.59ms. Allocated memory is still 176.2MB. Free memory was 121.1MB in the beginning and 118.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.95ms. Allocated memory is still 176.2MB. Free memory was 118.0MB in the beginning and 115.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.46ms. Allocated memory is still 176.2MB. Free memory was 115.9MB in the beginning and 99.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2013.62ms. Allocated memory is still 176.2MB. Free memory was 99.0MB in the beginning and 79.5MB in the end (delta: 19.5MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Witness Printer took 6.63ms. Allocated memory is still 176.2MB. Free memory was 79.5MB in the beginning and 78.5MB in the end (delta: 1.0MB). There was no memory consumed. 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 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_rand_postinc_14_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 [L1559] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 343 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 205 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 71 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 138 mSDtfsCounter, 71 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:15:05,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9cd8abd463896cab71131a4329cf3679cd4559f0c11b6170ba6b3a9c816efc8a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:15:08,085 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:15:08,177 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 16:15:08,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:15:08,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:15:08,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 16:15:08,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:15:08,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:15:08,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:15:08,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:15:08,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:15:08,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:15:08,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:15:08,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:15:08,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:15:08,218 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:15:08,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:15:08,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:15:08,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:15:08,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:15:08,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:15:08,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:15:08,227 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:15:08,228 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:15:08,228 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:15:08,229 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 16:15:08,229 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:15:08,229 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 16:15:08,230 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:15:08,230 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:15:08,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:15:08,231 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:15:08,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:15:08,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:15:08,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:15:08,233 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:15:08,233 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:15:08,233 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:15:08,234 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:15:08,234 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:15:08,234 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:15:08,236 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:15:08,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:15:08,251 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:15:08,251 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_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9cd8abd463896cab71131a4329cf3679cd4559f0c11b6170ba6b3a9c816efc8a [2024-11-08 16:15:08,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:15:08,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:15:08,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:15:08,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:15:08,786 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:15:08,789 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_14_bad.i Unable to find full path for "g++" [2024-11-08 16:15:11,456 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:15:11,943 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:15:11,944 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_14_bad.i [2024-11-08 16:15:11,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/data/83aa75135/f1da850962544f618595136f0edfc680/FLAG352455672 [2024-11-08 16:15:12,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/data/83aa75135/f1da850962544f618595136f0edfc680 [2024-11-08 16:15:12,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:15:12,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:15:12,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:15:12,020 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:15:12,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:15:12,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:15:12" (1/1) ... [2024-11-08 16:15:12,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cac987 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:12, skipping insertion in model container [2024-11-08 16:15:12,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:15:12" (1/1) ... [2024-11-08 16:15:12,126 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:15:13,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:15:13,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:15:13,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:15:13,868 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:15:13,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13 WrapperNode [2024-11-08 16:15:13,869 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:15:13,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:15:13,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:15:13,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:15:13,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:13,916 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:13,955 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-08 16:15:13,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:15:13,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:15:13,961 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:15:13,961 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:15:13,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:13,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:13,982 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:14,005 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-08 16:15:14,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:14,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:14,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:14,023 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:14,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:14,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:14,032 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:15:14,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:15:14,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:15:14,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:15:14,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (1/1) ... [2024-11-08 16:15:14,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:15:14,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:15:14,087 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:15:14,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:15:14,122 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 16:15:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 16:15:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:15:14,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:15:14,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:15:14,376 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:15:14,379 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:15:14,535 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 16:15:14,535 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:15:14,554 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:15:14,554 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:15:14,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:14 BoogieIcfgContainer [2024-11-08 16:15:14,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:15:14,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:15:14,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:15:14,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:15:14,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:15:12" (1/3) ... [2024-11-08 16:15:14,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a940246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:15:14, skipping insertion in model container [2024-11-08 16:15:14,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:15:13" (2/3) ... [2024-11-08 16:15:14,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a940246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:15:14, skipping insertion in model container [2024-11-08 16:15:14,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:14" (3/3) ... [2024-11-08 16:15:14,570 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_14_bad.i [2024-11-08 16:15:14,595 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:15:14,595 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 16:15:14,676 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:15:14,685 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@13c75b13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:15:14,686 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 16:15:14,691 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-08 16:15:14,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 16:15:14,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:15:14,702 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:15:14,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:15:14,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:15:14,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1654475935, now seen corresponding path program 1 times [2024-11-08 16:15:14,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:15:14,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [364416322] [2024-11-08 16:15:14,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:15:14,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:15:14,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:15:14,737 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:15:14,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:15:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:15:14,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:15:14,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:15:14,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:15:14,982 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:15:14,983 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:15:14,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364416322] [2024-11-08 16:15:14,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364416322] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:15:14,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:15:14,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 16:15:14,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530923128] [2024-11-08 16:15:14,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:15:14,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:15:14,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:15:15,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:15:15,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:15:15,036 INFO L87 Difference]: Start difference. First operand has 23 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:15,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:15:15,061 INFO L93 Difference]: Finished difference Result 23 states and 27 transitions. [2024-11-08 16:15:15,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:15:15,064 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-08 16:15:15,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:15:15,075 INFO L225 Difference]: With dead ends: 23 [2024-11-08 16:15:15,076 INFO L226 Difference]: Without dead ends: 15 [2024-11-08 16:15:15,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:15:15,088 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:15:15,091 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:15:15,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-08 16:15:15,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-08 16:15:15,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-08 16:15:15,143 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2024-11-08 16:15:15,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:15:15,144 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-08 16:15:15,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:15,145 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 16:15:15,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 16:15:15,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:15:15,148 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:15:15,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 16:15:15,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:15:15,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:15:15,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:15:15,351 INFO L85 PathProgramCache]: Analyzing trace with hash -250853505, now seen corresponding path program 1 times [2024-11-08 16:15:15,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:15:15,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479974900] [2024-11-08 16:15:15,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:15:15,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:15:15,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:15:15,356 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:15:15,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:15:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:15:15,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 16:15:15,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:15:15,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 16:15:15,606 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:15:15,607 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:15:15,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479974900] [2024-11-08 16:15:15,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479974900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:15:15,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:15:15,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:15:15,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361972545] [2024-11-08 16:15:15,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:15:15,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:15:15,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:15:15,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:15:15,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:15:15,616 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:15,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:15:15,629 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-08 16:15:15,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:15:15,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-08 16:15:15,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:15:15,632 INFO L225 Difference]: With dead ends: 19 [2024-11-08 16:15:15,632 INFO L226 Difference]: Without dead ends: 15 [2024-11-08 16:15:15,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:15:15,635 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:15:15,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 14 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:15:15,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-08 16:15:15,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-08 16:15:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:15,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-08 16:15:15,647 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2024-11-08 16:15:15,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:15:15,648 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-08 16:15:15,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 16:15:15,649 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-08 16:15:15,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 16:15:15,650 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:15:15,651 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:15:15,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 16:15:15,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:15:15,856 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 16:15:15,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:15:15,857 INFO L85 PathProgramCache]: Analyzing trace with hash -819187548, now seen corresponding path program 1 times [2024-11-08 16:15:15,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:15:15,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204147391] [2024-11-08 16:15:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:15:15,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:15:15,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:15:15,862 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:15:15,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:15:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:15:15,976 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:15:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:15:16,057 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 16:15:16,059 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:15:16,065 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 16:15:16,069 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 16:15:16,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 16:15:16,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:15:16,276 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-08 16:15:16,315 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:15:16,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:15:16 BoogieIcfgContainer [2024-11-08 16:15:16,321 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:15:16,321 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:15:16,323 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:15:16,324 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:15:16,324 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:15:14" (3/4) ... [2024-11-08 16:15:16,328 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:15:16,329 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:15:16,330 INFO L158 Benchmark]: Toolchain (without parser) took 4314.80ms. Allocated memory was 71.3MB in the beginning and 111.1MB in the end (delta: 39.8MB). Free memory was 42.9MB in the beginning and 54.4MB in the end (delta: -11.6MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2024-11-08 16:15:16,331 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 71.3MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 105.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:15:16,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1851.02ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 42.7MB in the beginning and 48.5MB in the end (delta: -5.8MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-08 16:15:16,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.02ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 45.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:15:16,334 INFO L158 Benchmark]: Boogie Preprocessor took 73.69ms. Allocated memory is still 92.3MB. Free memory was 45.5MB in the beginning and 42.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:15:16,334 INFO L158 Benchmark]: RCFGBuilder took 521.77ms. Allocated memory is still 92.3MB. Free memory was 42.7MB in the beginning and 51.7MB in the end (delta: -9.1MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-11-08 16:15:16,335 INFO L158 Benchmark]: TraceAbstraction took 1761.67ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 50.8MB in the beginning and 55.0MB in the end (delta: -4.2MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-08 16:15:16,343 INFO L158 Benchmark]: Witness Printer took 7.94ms. Allocated memory is still 111.1MB. Free memory was 55.0MB in the beginning and 54.4MB in the end (delta: 574.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:15:16,346 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 71.3MB. Free memory was 47.2MB in the beginning and 47.1MB in the end (delta: 105.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1851.02ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 42.7MB in the beginning and 48.5MB in the end (delta: -5.8MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.02ms. Allocated memory is still 92.3MB. Free memory was 48.5MB in the beginning and 45.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.69ms. Allocated memory is still 92.3MB. Free memory was 45.5MB in the beginning and 42.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 521.77ms. Allocated memory is still 92.3MB. Free memory was 42.7MB in the beginning and 51.7MB in the end (delta: -9.1MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1761.67ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 50.8MB in the beginning and 55.0MB in the end (delta: -4.2MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Witness Printer took 7.94ms. Allocated memory is still 111.1MB. Free memory was 55.0MB in the beginning and 54.4MB in the end (delta: 574.5kB). There was no memory consumed. 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 - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL CWE190_Integer_Overflow__int_rand_postinc_14_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1556] COND TRUE globalFive==5 [L1559] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 40 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 77 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:15:16,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7555bf2a-9c15-407a-92d3-537004f3c681/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: UNKNOWN: Overapproximated counterexample