./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-15/array06_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-15/array06_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0813819187e9a2abc800e062dc2a3ce48468372a35f94a85a0472def328bf451 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:09:52,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:09:52,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 05:09:52,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:09:52,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:09:52,117 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:09:52,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:09:52,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:09:52,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:09:52,120 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:09:52,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:09:52,121 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:09:52,122 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:09:52,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:09:52,123 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:09:52,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:09:52,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:09:52,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:09:52,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:09:52,126 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:09:52,126 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:09:52,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:09:52,128 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 05:09:52,128 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:09:52,129 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:09:52,129 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:09:52,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:09:52,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:09:52,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:09:52,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:09:52,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:09:52,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:09:52,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:09:52,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:09:52,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:09:52,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:09:52,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:09:52,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:09:52,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:09:52,134 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:09:52,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:09:52,135 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_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0813819187e9a2abc800e062dc2a3ce48468372a35f94a85a0472def328bf451 [2023-11-29 05:09:52,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:09:52,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:09:52,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:09:52,415 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:09:52,416 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:09:52,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-15/array06_alloca.i [2023-11-29 05:09:55,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:09:55,999 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:09:56,000 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/sv-benchmarks/c/termination-15/array06_alloca.i [2023-11-29 05:09:56,013 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/data/c866e92a0/0416670f61c04f828da702672cab2f45/FLAGe8673f39b [2023-11-29 05:09:56,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/data/c866e92a0/0416670f61c04f828da702672cab2f45 [2023-11-29 05:09:56,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:09:56,035 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:09:56,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:09:56,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:09:56,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:09:56,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,044 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31654960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56, skipping insertion in model container [2023-11-29 05:09:56,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,089 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:09:56,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:09:56,438 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:09:56,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:09:56,529 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:09:56,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56 WrapperNode [2023-11-29 05:09:56,530 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:09:56,531 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:09:56,532 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:09:56,532 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:09:56,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,581 INFO L138 Inliner]: procedures = 151, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2023-11-29 05:09:56,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:09:56,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:09:56,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:09:56,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:09:56,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,600 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,615 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2023-11-29 05:09:56,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,627 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:09:56,631 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:09:56,631 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:09:56,631 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:09:56,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (1/1) ... [2023-11-29 05:09:56,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:09:56,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:09:56,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:09:56,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:09:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:09:56,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:09:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:09:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:09:56,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:09:56,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:09:56,799 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:09:56,802 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:09:56,943 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:09:56,969 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:09:56,969 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 05:09:56,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:09:56 BoogieIcfgContainer [2023-11-29 05:09:56,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:09:56,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:09:56,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:09:56,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:09:56,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:09:56" (1/3) ... [2023-11-29 05:09:56,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d547a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:09:56, skipping insertion in model container [2023-11-29 05:09:56,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:09:56" (2/3) ... [2023-11-29 05:09:56,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d547a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:09:56, skipping insertion in model container [2023-11-29 05:09:56,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:09:56" (3/3) ... [2023-11-29 05:09:56,980 INFO L112 eAbstractionObserver]: Analyzing ICFG array06_alloca.i [2023-11-29 05:09:56,998 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:09:56,998 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-29 05:09:57,049 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:09:57,057 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@49940cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:09:57,057 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-29 05:09:57,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.8) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 05:09:57,069 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:09:57,069 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 05:09:57,070 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 05:09:57,075 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:57,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1742071887, now seen corresponding path program 1 times [2023-11-29 05:09:57,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:57,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771540470] [2023-11-29 05:09:57,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:57,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:57,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:57,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771540470] [2023-11-29 05:09:57,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771540470] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:57,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:57,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:09:57,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506005874] [2023-11-29 05:09:57,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:57,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:09:57,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:57,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:09:57,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:09:57,395 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.8) internal successors, (27), 21 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:57,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:09:57,481 INFO L93 Difference]: Finished difference Result 52 states and 62 transitions. [2023-11-29 05:09:57,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:09:57,484 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-29 05:09:57,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:09:57,491 INFO L225 Difference]: With dead ends: 52 [2023-11-29 05:09:57,491 INFO L226 Difference]: Without dead ends: 32 [2023-11-29 05:09:57,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 05:09:57,498 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 16 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:09:57,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 55 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:09:57,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2023-11-29 05:09:57,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 22. [2023-11-29 05:09:57,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.5625) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2023-11-29 05:09:57,533 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 6 [2023-11-29 05:09:57,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:09:57,534 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2023-11-29 05:09:57,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:57,534 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-29 05:09:57,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 05:09:57,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:09:57,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:09:57,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:09:57,535 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 05:09:57,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:57,536 INFO L85 PathProgramCache]: Analyzing trace with hash 905067806, now seen corresponding path program 1 times [2023-11-29 05:09:57,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:57,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274799613] [2023-11-29 05:09:57,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:57,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:57,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:57,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:57,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274799613] [2023-11-29 05:09:57,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274799613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:57,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:09:57,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:09:57,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539257754] [2023-11-29 05:09:57,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:57,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:09:57,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:57,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:09:57,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:09:57,628 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:57,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:09:57,656 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2023-11-29 05:09:57,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:09:57,657 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-29 05:09:57,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:09:57,658 INFO L225 Difference]: With dead ends: 32 [2023-11-29 05:09:57,658 INFO L226 Difference]: Without dead ends: 22 [2023-11-29 05:09:57,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:09:57,660 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:09:57,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 28 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:09:57,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-29 05:09:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-29 05:09:57,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 16 states have (on average 1.5) internal successors, (24), 21 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:57,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2023-11-29 05:09:57,667 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 8 [2023-11-29 05:09:57,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:09:57,668 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2023-11-29 05:09:57,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:57,668 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-29 05:09:57,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 05:09:57,669 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:09:57,669 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:09:57,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:09:57,670 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 05:09:57,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:57,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1973689558, now seen corresponding path program 1 times [2023-11-29 05:09:57,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:57,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399577228] [2023-11-29 05:09:57,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:57,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:57,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:57,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399577228] [2023-11-29 05:09:57,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399577228] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:09:57,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881171579] [2023-11-29 05:09:57,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:57,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:09:57,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:09:57,806 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:09:57,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 05:09:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:57,885 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:09:57,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:09:58,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:58,009 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:09:58,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881171579] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:58,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:09:58,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2023-11-29 05:09:58,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956710151] [2023-11-29 05:09:58,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:58,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:09:58,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:58,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:09:58,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:09:58,012 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:58,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:09:58,073 INFO L93 Difference]: Finished difference Result 53 states and 57 transitions. [2023-11-29 05:09:58,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:09:58,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 05:09:58,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:09:58,075 INFO L225 Difference]: With dead ends: 53 [2023-11-29 05:09:58,075 INFO L226 Difference]: Without dead ends: 38 [2023-11-29 05:09:58,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 05:09:58,077 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 13 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:09:58,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 49 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:09:58,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2023-11-29 05:09:58,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 28. [2023-11-29 05:09:58,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.3636363636363635) internal successors, (30), 27 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:58,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2023-11-29 05:09:58,084 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 9 [2023-11-29 05:09:58,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:09:58,085 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2023-11-29 05:09:58,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2023-11-29 05:09:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-29 05:09:58,086 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:09:58,086 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:09:58,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:09:58,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:09:58,298 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 05:09:58,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:58,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1511931112, now seen corresponding path program 1 times [2023-11-29 05:09:58,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:58,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739695808] [2023-11-29 05:09:58,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:58,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:58,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:58,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:58,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739695808] [2023-11-29 05:09:58,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739695808] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:09:58,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852720306] [2023-11-29 05:09:58,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:58,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:09:58,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:09:58,405 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:09:58,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 05:09:58,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:58,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:09:58,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:09:58,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:58,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 05:09:58,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852720306] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:09:58,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 05:09:58,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-29 05:09:58,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744961719] [2023-11-29 05:09:58,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:09:58,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 05:09:58,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:58,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 05:09:58,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-29 05:09:58,504 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:58,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:09:58,546 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2023-11-29 05:09:58,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 05:09:58,547 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2023-11-29 05:09:58,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:09:58,548 INFO L225 Difference]: With dead ends: 28 [2023-11-29 05:09:58,548 INFO L226 Difference]: Without dead ends: 27 [2023-11-29 05:09:58,548 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:09:58,550 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 31 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:09:58,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 31 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:09:58,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-29 05:09:58,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-29 05:09:58,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 26 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2023-11-29 05:09:58,557 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 9 [2023-11-29 05:09:58,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:09:58,557 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2023-11-29 05:09:58,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:58,558 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2023-11-29 05:09:58,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 05:09:58,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:09:58,559 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-11-29 05:09:58,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 05:09:58,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2023-11-29 05:09:58,765 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 05:09:58,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:58,766 INFO L85 PathProgramCache]: Analyzing trace with hash -374775726, now seen corresponding path program 1 times [2023-11-29 05:09:58,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:58,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119006660] [2023-11-29 05:09:58,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:58,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:58,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:58,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:58,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119006660] [2023-11-29 05:09:58,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119006660] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:09:58,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483847023] [2023-11-29 05:09:58,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:58,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:09:58,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:09:58,860 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:09:58,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 05:09:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:58,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 05:09:58,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:09:58,958 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:58,958 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:09:59,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:59,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483847023] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:09:59,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:09:59,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-29 05:09:59,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324800672] [2023-11-29 05:09:59,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:09:59,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 05:09:59,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:59,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 05:09:59,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:09:59,014 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:59,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:09:59,114 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2023-11-29 05:09:59,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 05:09:59,115 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-29 05:09:59,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:09:59,116 INFO L225 Difference]: With dead ends: 67 [2023-11-29 05:09:59,117 INFO L226 Difference]: Without dead ends: 66 [2023-11-29 05:09:59,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-29 05:09:59,119 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 56 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:09:59,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 96 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:09:59,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-29 05:09:59,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 36. [2023-11-29 05:09:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 35 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:59,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2023-11-29 05:09:59,129 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 10 [2023-11-29 05:09:59,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:09:59,130 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2023-11-29 05:09:59,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2023-11-29 05:09:59,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-29 05:09:59,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:09:59,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:09:59,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 05:09:59,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:09:59,337 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 05:09:59,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:09:59,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1658785367, now seen corresponding path program 1 times [2023-11-29 05:09:59,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:09:59,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313816384] [2023-11-29 05:09:59,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:59,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:09:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:59,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:09:59,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313816384] [2023-11-29 05:09:59,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313816384] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 05:09:59,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369660866] [2023-11-29 05:09:59,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:09:59,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 05:09:59,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:09:59,570 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 05:09:59,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 05:09:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:09:59,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 05:09:59,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:09:59,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 05:09:59,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-29 05:09:59,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:59,763 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 05:09:59,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 14 [2023-11-29 05:09:59,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-11-29 05:09:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:09:59,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369660866] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 05:09:59,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 05:09:59,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 4] total 9 [2023-11-29 05:09:59,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660650681] [2023-11-29 05:09:59,827 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 05:09:59,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 05:09:59,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:09:59,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 05:09:59,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2023-11-29 05:09:59,829 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 10 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:59,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:09:59,909 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2023-11-29 05:09:59,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 05:09:59,909 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 10 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-29 05:09:59,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:09:59,912 INFO L225 Difference]: With dead ends: 36 [2023-11-29 05:09:59,912 INFO L226 Difference]: Without dead ends: 35 [2023-11-29 05:09:59,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-29 05:09:59,914 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 38 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 05:09:59,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 31 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 05:09:59,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-29 05:09:59,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-29 05:09:59,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 34 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:59,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2023-11-29 05:09:59,923 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 11 [2023-11-29 05:09:59,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:09:59,924 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2023-11-29 05:09:59,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.888888888888889) internal successors, (26), 10 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 05:09:59,924 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-11-29 05:09:59,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 05:09:59,925 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:09:59,925 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:09:59,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 05:10:00,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 05:10:00,129 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2023-11-29 05:10:00,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:10:00,129 INFO L85 PathProgramCache]: Analyzing trace with hash -117261100, now seen corresponding path program 1 times [2023-11-29 05:10:00,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:10:00,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893268019] [2023-11-29 05:10:00,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:10:00,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:10:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:10:00,145 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:10:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:10:00,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:10:00,171 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-29 05:10:00,173 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2023-11-29 05:10:00,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2023-11-29 05:10:00,175 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2023-11-29 05:10:00,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2023-11-29 05:10:00,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2023-11-29 05:10:00,176 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2023-11-29 05:10:00,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 05:10:00,181 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:10:00,186 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:10:00,200 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,201 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,201 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,202 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,202 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,203 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,205 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post210 could not be translated [2023-11-29 05:10:00,205 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem209 could not be translated [2023-11-29 05:10:00,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:10:00 BoogieIcfgContainer [2023-11-29 05:10:00,214 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:10:00,215 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:10:00,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:10:00,216 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:10:00,216 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:09:56" (3/4) ... [2023-11-29 05:10:00,217 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-29 05:10:00,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc206 [2023-11-29 05:10:00,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post210 could not be translated [2023-11-29 05:10:00,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem209 could not be translated [2023-11-29 05:10:00,260 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a6af3deb-23bb-4ef0-b23b-89787874751c/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:10:00,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:10:00,261 INFO L158 Benchmark]: Toolchain (without parser) took 4225.59ms. Allocated memory is still 192.9MB. Free memory was 153.5MB in the beginning and 118.9MB in the end (delta: 34.6MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2023-11-29 05:10:00,261 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:10:00,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.66ms. Allocated memory is still 192.9MB. Free memory was 152.9MB in the beginning and 135.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:10:00,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.87ms. Allocated memory is still 192.9MB. Free memory was 135.1MB in the beginning and 133.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:10:00,262 INFO L158 Benchmark]: Boogie Preprocessor took 47.93ms. Allocated memory is still 192.9MB. Free memory was 133.5MB in the beginning and 131.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:10:00,263 INFO L158 Benchmark]: RCFGBuilder took 339.02ms. Allocated memory is still 192.9MB. Free memory was 131.4MB in the beginning and 120.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 05:10:00,263 INFO L158 Benchmark]: TraceAbstraction took 3241.35ms. Allocated memory is still 192.9MB. Free memory was 119.3MB in the beginning and 121.0MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:10:00,263 INFO L158 Benchmark]: Witness Printer took 44.85ms. Allocated memory is still 192.9MB. Free memory was 121.0MB in the beginning and 118.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:10:00,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 111.1MB. Free memory is still 60.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.66ms. Allocated memory is still 192.9MB. Free memory was 152.9MB in the beginning and 135.1MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.87ms. Allocated memory is still 192.9MB. Free memory was 135.1MB in the beginning and 133.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.93ms. Allocated memory is still 192.9MB. Free memory was 133.5MB in the beginning and 131.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.02ms. Allocated memory is still 192.9MB. Free memory was 131.4MB in the beginning and 120.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 3241.35ms. Allocated memory is still 192.9MB. Free memory was 119.3MB in the beginning and 121.0MB in the end (delta: -1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 44.85ms. Allocated memory is still 192.9MB. Free memory was 121.0MB in the beginning and 118.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post210 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem209 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc206 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post210 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem209 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - CounterExampleResult [Line: 375]: integer overflow possible integer overflow possible We found a FailurePath: [L365] int i, j; [L366] int length = __VERIFIER_nondet_int(); [L367] COND TRUE length < 1 [L367] length = 1 VAL [length=1] [L368] int *arr = __builtin_alloca(length*sizeof(int)); VAL [arr={2:0}, length=1] [L369] COND FALSE !(!arr) [L370] i=0 VAL [arr={2:0}, i=0, length=1] [L370] COND TRUE i