./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtoul.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtoul.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu --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 d4f351cb322dbf1a8c0048cd0e44aa29b2553ea539b13a26ee79638cd7ecc928 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:02:28,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:02:28,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-19 08:02:28,715 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:02:28,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:02:28,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:02:28,758 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:02:28,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:02:28,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 08:02:28,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 08:02:28,765 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:02:28,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:02:28,766 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:02:28,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:02:28,769 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 08:02:28,769 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:02:28,770 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:02:28,770 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 08:02:28,770 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 08:02:28,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 08:02:28,771 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 08:02:28,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:02:28,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:02:28,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:02:28,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:02:28,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:02:28,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 08:02:28,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:28,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:02:28,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 08:02:28,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 08:02:28,778 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:02:28,778 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 08:02:28,778 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 08:02:28,778 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 08:02:28,779 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 08:02:28,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 08:02:28,779 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 08:02:28,780 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_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4f351cb322dbf1a8c0048cd0e44aa29b2553ea539b13a26ee79638cd7ecc928 [2023-11-19 08:02:29,102 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:02:29,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:02:29,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:02:29,130 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:02:29,131 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:02:29,133 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-dietlibc/strtoul.i [2023-11-19 08:02:32,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:02:32,728 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:02:32,729 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/sv-benchmarks/c/termination-dietlibc/strtoul.i [2023-11-19 08:02:32,746 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/data/b1ace1c63/1cbcbbbbc3f14e619ba7339d2dc3b75e/FLAG2854cc50d [2023-11-19 08:02:32,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/data/b1ace1c63/1cbcbbbbc3f14e619ba7339d2dc3b75e [2023-11-19 08:02:32,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:02:32,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:02:32,782 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:32,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:02:32,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:02:32,789 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:32" (1/1) ... [2023-11-19 08:02:32,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@111cf52c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:32, skipping insertion in model container [2023-11-19 08:02:32,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:02:32" (1/1) ... [2023-11-19 08:02:32,846 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:02:33,226 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:33,237 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:02:33,301 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:02:33,340 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:02:33,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33 WrapperNode [2023-11-19 08:02:33,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:02:33,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:33,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:02:33,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:02:33,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,372 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,406 INFO L138 Inliner]: procedures = 116, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 173 [2023-11-19 08:02:33,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:02:33,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:02:33,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:02:33,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:02:33,418 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,419 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,423 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,426 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,452 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,461 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:02:33,483 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:02:33,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:02:33,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:02:33,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (1/1) ... [2023-11-19 08:02:33,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 08:02:33,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:33,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 08:02:33,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 08:02:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 08:02:33,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 08:02:33,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 08:02:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 08:02:33,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 08:02:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 08:02:33,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:02:33,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:02:33,719 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:02:33,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:02:34,164 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:02:34,172 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:02:34,172 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-19 08:02:34,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:34 BoogieIcfgContainer [2023-11-19 08:02:34,176 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:02:34,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 08:02:34,179 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 08:02:34,182 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 08:02:34,182 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:02:32" (1/3) ... [2023-11-19 08:02:34,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10352692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:34, skipping insertion in model container [2023-11-19 08:02:34,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:02:33" (2/3) ... [2023-11-19 08:02:34,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10352692 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:02:34, skipping insertion in model container [2023-11-19 08:02:34,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:34" (3/3) ... [2023-11-19 08:02:34,185 INFO L112 eAbstractionObserver]: Analyzing ICFG strtoul.i [2023-11-19 08:02:34,203 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 08:02:34,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-19 08:02:34,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 08:02:34,260 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;@16213f53, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 08:02:34,260 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2023-11-19 08:02:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand has 72 states, 53 states have (on average 1.7547169811320755) internal successors, (93), 71 states have internal predecessors, (93), 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) [2023-11-19 08:02:34,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 08:02:34,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:34,269 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 08:02:34,270 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 08:02:34,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:34,275 INFO L85 PathProgramCache]: Analyzing trace with hash 925671, now seen corresponding path program 1 times [2023-11-19 08:02:34,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:34,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544929137] [2023-11-19 08:02:34,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:34,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:34,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:34,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:34,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544929137] [2023-11-19 08:02:34,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544929137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:34,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:34,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:34,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551616242] [2023-11-19 08:02:34,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:34,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:34,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:34,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:34,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:34,608 INFO L87 Difference]: Start difference. First operand has 72 states, 53 states have (on average 1.7547169811320755) internal successors, (93), 71 states have internal predecessors, (93), 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 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:34,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:34,691 INFO L93 Difference]: Finished difference Result 121 states and 171 transitions. [2023-11-19 08:02:34,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:34,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-19 08:02:34,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:34,701 INFO L225 Difference]: With dead ends: 121 [2023-11-19 08:02:34,701 INFO L226 Difference]: Without dead ends: 29 [2023-11-19 08:02:34,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:34,707 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 72 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:34,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 73 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:34,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-11-19 08:02:34,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-11-19 08:02:34,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 23 states have (on average 1.434782608695652) internal successors, (33), 28 states have internal predecessors, (33), 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) [2023-11-19 08:02:34,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2023-11-19 08:02:34,742 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 33 transitions. Word has length 4 [2023-11-19 08:02:34,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:34,742 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 33 transitions. [2023-11-19 08:02:34,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:34,743 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 33 transitions. [2023-11-19 08:02:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 08:02:34,743 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:34,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 08:02:34,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 08:02:34,744 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 08:02:34,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:34,745 INFO L85 PathProgramCache]: Analyzing trace with hash 28695845, now seen corresponding path program 1 times [2023-11-19 08:02:34,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:34,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396133992] [2023-11-19 08:02:34,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:34,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:34,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:34,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:34,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396133992] [2023-11-19 08:02:34,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396133992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:34,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:34,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:02:34,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318938517] [2023-11-19 08:02:34,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:34,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 08:02:34,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:34,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 08:02:34,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:34,791 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:34,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:34,808 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2023-11-19 08:02:34,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 08:02:34,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-19 08:02:34,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:34,809 INFO L225 Difference]: With dead ends: 29 [2023-11-19 08:02:34,810 INFO L226 Difference]: Without dead ends: 27 [2023-11-19 08:02:34,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 08:02:34,812 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 27 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:34,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 25 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:34,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-19 08:02:34,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2023-11-19 08:02:34,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 26 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:34,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2023-11-19 08:02:34,818 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 31 transitions. Word has length 5 [2023-11-19 08:02:34,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:34,818 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 31 transitions. [2023-11-19 08:02:34,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 08:02:34,819 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-19 08:02:34,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 08:02:34,819 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:34,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:34,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 08:02:34,820 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 08:02:34,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:34,821 INFO L85 PathProgramCache]: Analyzing trace with hash 179475214, now seen corresponding path program 1 times [2023-11-19 08:02:34,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:34,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882318045] [2023-11-19 08:02:34,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:34,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:34,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:34,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882318045] [2023-11-19 08:02:34,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882318045] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:34,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:34,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 08:02:34,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858039719] [2023-11-19 08:02:34,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:34,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 08:02:34,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:34,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 08:02:34,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 08:02:34,970 INFO L87 Difference]: Start difference. First operand 27 states and 31 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) 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) [2023-11-19 08:02:35,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:35,045 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2023-11-19 08:02:35,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 08:02:35,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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 [2023-11-19 08:02:35,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:35,051 INFO L225 Difference]: With dead ends: 36 [2023-11-19 08:02:35,051 INFO L226 Difference]: Without dead ends: 34 [2023-11-19 08:02:35,051 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 [2023-11-19 08:02:35,055 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:35,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 73 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:35,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-19 08:02:35,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2023-11-19 08:02:35,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 32 states have internal predecessors, (38), 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) [2023-11-19 08:02:35,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2023-11-19 08:02:35,070 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 8 [2023-11-19 08:02:35,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:35,071 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2023-11-19 08:02:35,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) 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) [2023-11-19 08:02:35,071 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-19 08:02:35,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 08:02:35,072 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:35,072 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:35,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 08:02:35,072 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 08:02:35,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:35,073 INFO L85 PathProgramCache]: Analyzing trace with hash 906933384, now seen corresponding path program 1 times [2023-11-19 08:02:35,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:35,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347368368] [2023-11-19 08:02:35,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:35,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:35,287 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:35,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:35,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347368368] [2023-11-19 08:02:35,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347368368] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:35,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [217397130] [2023-11-19 08:02:35,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:35,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:35,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:35,295 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:35,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 08:02:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:35,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:02:35,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:35,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:35,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 08:02:35,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [217397130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:35,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 08:02:35,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2023-11-19 08:02:35,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839071367] [2023-11-19 08:02:35,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:35,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:35,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:35,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:35,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:02:35,507 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2023-11-19 08:02:35,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:35,594 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2023-11-19 08:02:35,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:35,594 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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 14 [2023-11-19 08:02:35,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:35,596 INFO L225 Difference]: With dead ends: 34 [2023-11-19 08:02:35,596 INFO L226 Difference]: Without dead ends: 33 [2023-11-19 08:02:35,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-11-19 08:02:35,604 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 11 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:35,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 74 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 08:02:35,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-11-19 08:02:35,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 32. [2023-11-19 08:02:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 31 states have internal predecessors, (37), 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) [2023-11-19 08:02:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2023-11-19 08:02:35,611 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 37 transitions. Word has length 14 [2023-11-19 08:02:35,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:35,611 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 37 transitions. [2023-11-19 08:02:35,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 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) [2023-11-19 08:02:35,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2023-11-19 08:02:35,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 08:02:35,615 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:35,615 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-19 08:02:35,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:35,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:35,836 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 08:02:35,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:35,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1949836113, now seen corresponding path program 1 times [2023-11-19 08:02:35,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:35,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435449899] [2023-11-19 08:02:35,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:35,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:35,995 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:35,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:35,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435449899] [2023-11-19 08:02:35,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435449899] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 08:02:35,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319917651] [2023-11-19 08:02:35,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:35,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:35,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:02:35,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 08:02:36,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 08:02:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:36,098 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 08:02:36,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:02:36,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:36,147 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 08:02:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:36,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319917651] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 08:02:36,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 08:02:36,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2023-11-19 08:02:36,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62482729] [2023-11-19 08:02:36,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 08:02:36,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 08:02:36,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:36,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 08:02:36,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2023-11-19 08:02:36,234 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 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) [2023-11-19 08:02:36,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:36,351 INFO L93 Difference]: Finished difference Result 55 states and 65 transitions. [2023-11-19 08:02:36,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-19 08:02:36,352 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 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 15 [2023-11-19 08:02:36,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:36,355 INFO L225 Difference]: With dead ends: 55 [2023-11-19 08:02:36,355 INFO L226 Difference]: Without dead ends: 54 [2023-11-19 08:02:36,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-19 08:02:36,357 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 15 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:36,357 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 142 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:36,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-19 08:02:36,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 50. [2023-11-19 08:02:36,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 49 states have internal predecessors, (58), 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) [2023-11-19 08:02:36,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2023-11-19 08:02:36,366 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 15 [2023-11-19 08:02:36,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:36,367 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2023-11-19 08:02:36,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 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) [2023-11-19 08:02:36,368 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2023-11-19 08:02:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 08:02:36,369 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:36,369 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:36,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:02:36,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 08:02:36,589 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 08:02:36,590 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:36,590 INFO L85 PathProgramCache]: Analyzing trace with hash 428802440, now seen corresponding path program 1 times [2023-11-19 08:02:36,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:36,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726679032] [2023-11-19 08:02:36,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:36,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:36,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:36,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:36,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726679032] [2023-11-19 08:02:36,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726679032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:36,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:37,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:02:37,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567510500] [2023-11-19 08:02:37,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:37,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:37,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:37,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:37,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:37,006 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2023-11-19 08:02:37,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:37,129 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2023-11-19 08:02:37,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 08:02:37,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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 18 [2023-11-19 08:02:37,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:37,135 INFO L225 Difference]: With dead ends: 87 [2023-11-19 08:02:37,135 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 08:02:37,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-19 08:02:37,137 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 39 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:37,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 103 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:37,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 08:02:37,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 57. [2023-11-19 08:02:37,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 54 states have (on average 1.2222222222222223) internal successors, (66), 56 states have internal predecessors, (66), 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) [2023-11-19 08:02:37,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 66 transitions. [2023-11-19 08:02:37,161 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 66 transitions. Word has length 18 [2023-11-19 08:02:37,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:37,162 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 66 transitions. [2023-11-19 08:02:37,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 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) [2023-11-19 08:02:37,162 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2023-11-19 08:02:37,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 08:02:37,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:37,164 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:37,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 08:02:37,165 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 08:02:37,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:37,166 INFO L85 PathProgramCache]: Analyzing trace with hash 2063665319, now seen corresponding path program 1 times [2023-11-19 08:02:37,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:37,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304251268] [2023-11-19 08:02:37,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:37,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:02:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:02:37,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:02:37,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304251268] [2023-11-19 08:02:37,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304251268] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:02:37,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:02:37,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 08:02:37,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874746901] [2023-11-19 08:02:37,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:02:37,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 08:02:37,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:02:37,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 08:02:37,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-19 08:02:37,444 INFO L87 Difference]: Start difference. First operand 57 states and 66 transitions. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-19 08:02:37,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:02:37,562 INFO L93 Difference]: Finished difference Result 87 states and 100 transitions. [2023-11-19 08:02:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 08:02:37,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 19 [2023-11-19 08:02:37,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 08:02:37,564 INFO L225 Difference]: With dead ends: 87 [2023-11-19 08:02:37,564 INFO L226 Difference]: Without dead ends: 79 [2023-11-19 08:02:37,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-19 08:02:37,566 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 75 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 08:02:37,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 66 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 08:02:37,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-19 08:02:37,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 58. [2023-11-19 08:02:37,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 55 states have (on average 1.2181818181818183) internal successors, (67), 57 states have internal predecessors, (67), 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) [2023-11-19 08:02:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2023-11-19 08:02:37,588 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 19 [2023-11-19 08:02:37,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 08:02:37,589 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2023-11-19 08:02:37,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-19 08:02:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2023-11-19 08:02:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 08:02:37,590 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 08:02:37,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:37,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 08:02:37,591 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-19 08:02:37,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:02:37,597 INFO L85 PathProgramCache]: Analyzing trace with hash 2120923621, now seen corresponding path program 1 times [2023-11-19 08:02:37,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:02:37,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819664357] [2023-11-19 08:02:37,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:02:37,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:02:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:37,629 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:02:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:02:37,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:02:37,670 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 08:02:37,672 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2023-11-19 08:02:37,674 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2023-11-19 08:02:37,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2023-11-19 08:02:37,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2023-11-19 08:02:37,675 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2023-11-19 08:02:37,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2023-11-19 08:02:37,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2023-11-19 08:02:37,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2023-11-19 08:02:37,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2023-11-19 08:02:37,676 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2023-11-19 08:02:37,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2023-11-19 08:02:37,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2023-11-19 08:02:37,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2023-11-19 08:02:37,677 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2023-11-19 08:02:37,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2023-11-19 08:02:37,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2023-11-19 08:02:37,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2023-11-19 08:02:37,678 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2023-11-19 08:02:37,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-19 08:02:37,683 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:02:37,688 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 08:02:37,728 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc21 [2023-11-19 08:02:37,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc21 [2023-11-19 08:02:37,729 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc21 [2023-11-19 08:02:37,730 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-19 08:02:37,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,732 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,733 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:37,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,734 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 08:02:37,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 08:02:37,735 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-11-19 08:02:37,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,736 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:02:37 BoogieIcfgContainer [2023-11-19 08:02:37,747 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 08:02:37,748 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:02:37,748 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:02:37,749 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:02:37,749 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:02:34" (3/4) ... [2023-11-19 08:02:37,750 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 08:02:37,761 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc21 [2023-11-19 08:02:37,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc21 [2023-11-19 08:02:37,766 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~malloc21 [2023-11-19 08:02:37,768 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-19 08:02:37,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,773 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated [2023-11-19 08:02:37,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-19 08:02:37,774 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,775 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,776 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 08:02:37,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-11-19 08:02:37,777 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,778 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-19 08:02:37,813 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6783fa8-4052-407e-85e3-aeaddbd5f3ec/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 08:02:37,814 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:02:37,814 INFO L158 Benchmark]: Toolchain (without parser) took 5034.09ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 123.5MB in the beginning and 131.5MB in the end (delta: -8.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,815 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:37,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.77ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 106.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.25ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 103.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,816 INFO L158 Benchmark]: Boogie Preprocessor took 64.78ms. Allocated memory is still 155.2MB. Free memory was 103.6MB in the beginning and 101.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:37,817 INFO L158 Benchmark]: RCFGBuilder took 692.68ms. Allocated memory is still 155.2MB. Free memory was 101.8MB in the beginning and 82.6MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,817 INFO L158 Benchmark]: TraceAbstraction took 3568.92ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 81.9MB in the beginning and 134.7MB in the end (delta: -52.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:02:37,818 INFO L158 Benchmark]: Witness Printer took 65.66ms. Allocated memory is still 192.9MB. Free memory was 134.7MB in the beginning and 131.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:02:37,820 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 119.5MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.77ms. Allocated memory is still 155.2MB. Free memory was 123.4MB in the beginning and 106.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.25ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 103.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.78ms. Allocated memory is still 155.2MB. Free memory was 103.6MB in the beginning and 101.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 692.68ms. Allocated memory is still 155.2MB. Free memory was 101.8MB in the beginning and 82.6MB in the end (delta: 19.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 3568.92ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 81.9MB in the beginning and 134.7MB in the end (delta: -52.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 65.66ms. Allocated memory is still 192.9MB. Free memory was 134.7MB in the beginning and 131.5MB in the end (delta: 3.1MB). 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~malloc21 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc21 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc21 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc21 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc21 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~malloc21 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~endptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~ptr!base has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - 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: 519]: integer overflow possible integer overflow possible We found a FailurePath: [L551] int in_len = __VERIFIER_nondet_int(); [L552] COND FALSE !(in_len < 1) [L553] char* in = __builtin_alloca (in_len); [L554] int i=0; VAL [i=0, in={3:0}, in_len=1] [L554] EXPR in_len-1 VAL [i=0, in={3:0}, in_len=1] [L554] COND FALSE !(i