./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efbd812580893a7521723358e51d4f43c4b930b57b026212f5a7d5f447f3e0f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:24:43,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:24:43,178 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-06 22:24:43,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:24:43,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:24:43,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:24:43,232 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:24:43,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:24:43,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:24:43,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:24:43,235 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:24:43,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:24:43,236 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:24:43,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:24:43,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:24:43,238 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:24:43,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:24:43,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:24:43,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:24:43,240 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:24:43,240 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:24:43,241 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:24:43,241 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 22:24:43,242 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:24:43,242 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:24:43,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:24:43,243 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:24:43,243 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:24:43,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:24:43,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:24:43,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:24:43,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:24:43,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:24:43,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:24:43,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:24:43,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:24:43,247 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:24:43,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:24:43,266 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:24:43,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:24:43,266 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:24:43,267 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_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbd812580893a7521723358e51d4f43c4b930b57b026212f5a7d5f447f3e0f8 [2023-11-06 22:24:43,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:24:43,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:24:43,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:24:43,632 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:24:43,632 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:24:43,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c [2023-11-06 22:24:46,687 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:24:46,954 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:24:46,955 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/sv-benchmarks/c/array-multidimensional/add-3-n-u.c [2023-11-06 22:24:46,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/data/4ccb3610c/d952104294f94e48b302ed58a8921b23/FLAG27f471831 [2023-11-06 22:24:46,990 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/data/4ccb3610c/d952104294f94e48b302ed58a8921b23 [2023-11-06 22:24:46,998 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:24:47,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:24:47,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:24:47,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:24:47,027 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:24:47,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:24:46" (1/1) ... [2023-11-06 22:24:47,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364a47df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47, skipping insertion in model container [2023-11-06 22:24:47,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:24:46" (1/1) ... [2023-11-06 22:24:47,065 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:24:47,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:24:47,306 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:24:47,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:24:47,360 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:24:47,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47 WrapperNode [2023-11-06 22:24:47,361 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:24:47,362 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:24:47,362 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:24:47,362 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:24:47,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,415 INFO L138 Inliner]: procedures = 14, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 138 [2023-11-06 22:24:47,416 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:24:47,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:24:47,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:24:47,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:24:47,428 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,444 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,446 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:24:47,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:24:47,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:24:47,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:24:47,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (1/1) ... [2023-11-06 22:24:47,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:24:47,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:47,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:24:47,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:24:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:24:47,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:24:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:24:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:24:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:24:47,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:24:47,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:24:47,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:24:47,685 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:24:47,689 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:24:48,207 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:24:48,214 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:24:48,214 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-06 22:24:48,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:24:48 BoogieIcfgContainer [2023-11-06 22:24:48,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:24:48,229 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:24:48,229 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:24:48,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:24:48,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:24:46" (1/3) ... [2023-11-06 22:24:48,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5734d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:24:48, skipping insertion in model container [2023-11-06 22:24:48,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:24:47" (2/3) ... [2023-11-06 22:24:48,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b5734d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:24:48, skipping insertion in model container [2023-11-06 22:24:48,235 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:24:48" (3/3) ... [2023-11-06 22:24:48,236 INFO L112 eAbstractionObserver]: Analyzing ICFG add-3-n-u.c [2023-11-06 22:24:48,261 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:24:48,261 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-11-06 22:24:48,311 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:24:48,318 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=LoopsAndPotentialCycles, 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;@5cb1de7a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:24:48,318 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2023-11-06 22:24:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 38 states have (on average 1.9736842105263157) internal successors, (75), 56 states have internal predecessors, (75), 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) [2023-11-06 22:24:48,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-06 22:24:48,330 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:48,330 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-06 22:24:48,331 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:48,337 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:48,337 INFO L85 PathProgramCache]: Analyzing trace with hash 28699906, now seen corresponding path program 1 times [2023-11-06 22:24:48,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:48,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707839791] [2023-11-06 22:24:48,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:48,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:48,454 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:48,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [887363275] [2023-11-06 22:24:48,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:48,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:48,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:48,462 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:48,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-06 22:24:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:48,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:24:48,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:48,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:48,611 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:24:48,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:48,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707839791] [2023-11-06 22:24:48,612 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:48,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [887363275] [2023-11-06 22:24:48,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [887363275] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:48,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:48,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:24:48,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617507091] [2023-11-06 22:24:48,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:48,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:24:48,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:48,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:24:48,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:48,660 INFO L87 Difference]: Start difference. First operand has 57 states, 38 states have (on average 1.9736842105263157) internal successors, (75), 56 states have internal predecessors, (75), 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 2.5) 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) [2023-11-06 22:24:48,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:48,730 INFO L93 Difference]: Finished difference Result 108 states and 147 transitions. [2023-11-06 22:24:48,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:24:48,733 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 [2023-11-06 22:24:48,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:48,743 INFO L225 Difference]: With dead ends: 108 [2023-11-06 22:24:48,743 INFO L226 Difference]: Without dead ends: 48 [2023-11-06 22:24:48,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:48,758 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 50 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:48,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 45 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:24:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-06 22:24:48,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-06 22:24:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.696969696969697) internal successors, (56), 47 states have internal predecessors, (56), 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) [2023-11-06 22:24:48,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2023-11-06 22:24:48,797 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 5 [2023-11-06 22:24:48,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:48,798 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2023-11-06 22:24:48,798 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) [2023-11-06 22:24:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-06 22:24:48,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-06 22:24:48,799 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:48,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:48,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:49,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-06 22:24:49,006 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:49,006 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:49,006 INFO L85 PathProgramCache]: Analyzing trace with hash 889697163, now seen corresponding path program 1 times [2023-11-06 22:24:49,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:49,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065283385] [2023-11-06 22:24:49,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:49,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:49,023 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:49,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2070201919] [2023-11-06 22:24:49,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:49,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:49,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:49,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:49,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-06 22:24:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:49,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:24:49,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:49,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:49,111 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:24:49,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:49,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065283385] [2023-11-06 22:24:49,112 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:49,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2070201919] [2023-11-06 22:24:49,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2070201919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:49,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:49,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:24:49,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860584060] [2023-11-06 22:24:49,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:49,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:24:49,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:49,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:24:49,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:49,117 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:49,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:49,223 INFO L93 Difference]: Finished difference Result 94 states and 110 transitions. [2023-11-06 22:24:49,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:24:49,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-06 22:24:49,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:49,228 INFO L225 Difference]: With dead ends: 94 [2023-11-06 22:24:49,228 INFO L226 Difference]: Without dead ends: 91 [2023-11-06 22:24:49,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:49,232 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 43 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:49,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 78 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:24:49,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-06 22:24:49,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 77. [2023-11-06 22:24:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 62 states have (on average 1.6935483870967742) internal successors, (105), 76 states have internal predecessors, (105), 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) [2023-11-06 22:24:49,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 105 transitions. [2023-11-06 22:24:49,268 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 105 transitions. Word has length 6 [2023-11-06 22:24:49,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:49,269 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 105 transitions. [2023-11-06 22:24:49,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:49,269 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 105 transitions. [2023-11-06 22:24:49,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-06 22:24:49,270 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:49,270 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:49,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:49,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:49,471 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)] === [2023-11-06 22:24:49,472 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:49,472 INFO L85 PathProgramCache]: Analyzing trace with hash 889698518, now seen corresponding path program 1 times [2023-11-06 22:24:49,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:49,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722650689] [2023-11-06 22:24:49,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:49,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:49,485 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:49,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1434723376] [2023-11-06 22:24:49,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:49,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:49,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:49,487 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:49,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-06 22:24:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:49,569 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:24:49,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:49,581 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:24:49,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:49,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722650689] [2023-11-06 22:24:49,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:49,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434723376] [2023-11-06 22:24:49,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434723376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:49,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:49,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:24:49,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221617234] [2023-11-06 22:24:49,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:49,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:24:49,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:49,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:24:49,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:49,584 INFO L87 Difference]: Start difference. First operand 77 states and 105 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:49,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:49,634 INFO L93 Difference]: Finished difference Result 77 states and 105 transitions. [2023-11-06 22:24:49,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:24:49,635 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-06 22:24:49,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:49,636 INFO L225 Difference]: With dead ends: 77 [2023-11-06 22:24:49,636 INFO L226 Difference]: Without dead ends: 74 [2023-11-06 22:24:49,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:49,638 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 41 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:49,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 36 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:24:49,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-06 22:24:49,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-11-06 22:24:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 62 states have (on average 1.596774193548387) internal successors, (99), 73 states have internal predecessors, (99), 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) [2023-11-06 22:24:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 99 transitions. [2023-11-06 22:24:49,660 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 99 transitions. Word has length 6 [2023-11-06 22:24:49,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:49,661 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 99 transitions. [2023-11-06 22:24:49,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 99 transitions. [2023-11-06 22:24:49,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-06 22:24:49,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:49,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:24:49,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-06 22:24:49,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:49,868 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:49,869 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:49,869 INFO L85 PathProgramCache]: Analyzing trace with hash 889698573, now seen corresponding path program 1 times [2023-11-06 22:24:49,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:49,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435617538] [2023-11-06 22:24:49,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:49,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:49,903 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:49,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [981287799] [2023-11-06 22:24:49,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:49,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:49,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:49,905 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:49,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-06 22:24:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:49,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:24:49,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:49,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:49,982 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:24:49,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:49,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435617538] [2023-11-06 22:24:49,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:49,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981287799] [2023-11-06 22:24:49,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981287799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:49,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:49,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:24:49,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345613300] [2023-11-06 22:24:49,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:49,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:24:49,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:49,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:24:49,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:49,985 INFO L87 Difference]: Start difference. First operand 74 states and 99 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:50,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:50,044 INFO L93 Difference]: Finished difference Result 74 states and 99 transitions. [2023-11-06 22:24:50,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:24:50,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-06 22:24:50,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:50,045 INFO L225 Difference]: With dead ends: 74 [2023-11-06 22:24:50,045 INFO L226 Difference]: Without dead ends: 71 [2023-11-06 22:24:50,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:50,047 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 36 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:50,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 36 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:24:50,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-06 22:24:50,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-06 22:24:50,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 62 states have (on average 1.5) internal successors, (93), 70 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) [2023-11-06 22:24:50,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2023-11-06 22:24:50,057 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 6 [2023-11-06 22:24:50,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:50,058 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2023-11-06 22:24:50,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:50,058 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2023-11-06 22:24:50,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 22:24:50,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:50,059 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:50,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:50,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:50,265 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)] === [2023-11-06 22:24:50,265 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:50,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1810850352, now seen corresponding path program 1 times [2023-11-06 22:24:50,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:50,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579273414] [2023-11-06 22:24:50,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:50,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:50,297 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:50,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [344959892] [2023-11-06 22:24:50,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:50,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:50,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:50,302 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:50,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-06 22:24:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:50,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:24:50,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:50,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:50,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:24:50,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:50,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579273414] [2023-11-06 22:24:50,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:50,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344959892] [2023-11-06 22:24:50,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344959892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:50,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:50,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:24:50,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936456712] [2023-11-06 22:24:50,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:50,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:24:50,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:50,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:24:50,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:50,404 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-06 22:24:50,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:50,506 INFO L93 Difference]: Finished difference Result 137 states and 179 transitions. [2023-11-06 22:24:50,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:24:50,507 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2023-11-06 22:24:50,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:50,510 INFO L225 Difference]: With dead ends: 137 [2023-11-06 22:24:50,510 INFO L226 Difference]: Without dead ends: 134 [2023-11-06 22:24:50,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:50,512 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 34 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:50,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 61 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:24:50,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-06 22:24:50,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 111. [2023-11-06 22:24:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 110 states have internal predecessors, (151), 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) [2023-11-06 22:24:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 151 transitions. [2023-11-06 22:24:50,555 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 151 transitions. Word has length 7 [2023-11-06 22:24:50,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:50,555 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 151 transitions. [2023-11-06 22:24:50,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-06 22:24:50,556 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 151 transitions. [2023-11-06 22:24:50,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-06 22:24:50,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:50,557 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:50,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:50,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:50,762 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:50,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:50,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1810852050, now seen corresponding path program 1 times [2023-11-06 22:24:50,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:50,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251708161] [2023-11-06 22:24:50,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:50,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:50,791 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:50,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1538799162] [2023-11-06 22:24:50,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:50,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:50,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:50,793 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:50,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-06 22:24:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:50,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 22:24:50,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:50,879 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:24:50,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:50,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251708161] [2023-11-06 22:24:50,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:50,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1538799162] [2023-11-06 22:24:50,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1538799162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:50,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:50,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:24:50,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511315512] [2023-11-06 22:24:50,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:50,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:24:50,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:50,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:24:50,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:50,882 INFO L87 Difference]: Start difference. First operand 111 states and 151 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-06 22:24:50,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:50,982 INFO L93 Difference]: Finished difference Result 211 states and 283 transitions. [2023-11-06 22:24:50,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:24:50,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2023-11-06 22:24:50,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:50,986 INFO L225 Difference]: With dead ends: 211 [2023-11-06 22:24:50,986 INFO L226 Difference]: Without dead ends: 208 [2023-11-06 22:24:50,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:24:50,988 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 32 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:50,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 64 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:24:50,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-11-06 22:24:51,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 155. [2023-11-06 22:24:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 146 states have (on average 1.417808219178082) internal successors, (207), 154 states have internal predecessors, (207), 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) [2023-11-06 22:24:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 207 transitions. [2023-11-06 22:24:51,011 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 207 transitions. Word has length 7 [2023-11-06 22:24:51,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:51,011 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 207 transitions. [2023-11-06 22:24:51,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-06 22:24:51,012 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 207 transitions. [2023-11-06 22:24:51,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 22:24:51,013 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:51,013 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2023-11-06 22:24:51,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:51,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-06 22:24:51,219 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:51,219 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:51,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1001412308, now seen corresponding path program 1 times [2023-11-06 22:24:51,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:51,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621804312] [2023-11-06 22:24:51,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:51,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:51,232 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:51,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111303186] [2023-11-06 22:24:51,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:51,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:51,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:51,234 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:51,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-06 22:24:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:51,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:24:51,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:24:51,346 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:24:51,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:51,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621804312] [2023-11-06 22:24:51,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:51,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111303186] [2023-11-06 22:24:51,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111303186] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:51,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:51,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:24:51,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126309710] [2023-11-06 22:24:51,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:51,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:24:51,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:51,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:24:51,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:24:51,350 INFO L87 Difference]: Start difference. First operand 155 states and 207 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:51,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:51,443 INFO L93 Difference]: Finished difference Result 294 states and 385 transitions. [2023-11-06 22:24:51,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:24:51,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-06 22:24:51,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:51,446 INFO L225 Difference]: With dead ends: 294 [2023-11-06 22:24:51,446 INFO L226 Difference]: Without dead ends: 160 [2023-11-06 22:24:51,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:24:51,448 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 71 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:51,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 62 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:24:51,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2023-11-06 22:24:51,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 155. [2023-11-06 22:24:51,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 146 states have (on average 1.3767123287671232) internal successors, (201), 154 states have internal predecessors, (201), 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) [2023-11-06 22:24:51,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 201 transitions. [2023-11-06 22:24:51,465 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 201 transitions. Word has length 10 [2023-11-06 22:24:51,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:51,465 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 201 transitions. [2023-11-06 22:24:51,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:51,465 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 201 transitions. [2023-11-06 22:24:51,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-06 22:24:51,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:51,467 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:51,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:51,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-06 22:24:51,673 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:51,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:51,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1990724853, now seen corresponding path program 1 times [2023-11-06 22:24:51,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:51,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160588557] [2023-11-06 22:24:51,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:51,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:51,694 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:51,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [397260968] [2023-11-06 22:24:51,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:51,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:51,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:51,696 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:51,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-06 22:24:51,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:51,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:24:51,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:51,805 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:24:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:24:51,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:51,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160588557] [2023-11-06 22:24:51,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:51,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [397260968] [2023-11-06 22:24:51,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [397260968] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:24:51,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:24:51,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-06 22:24:51,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045352838] [2023-11-06 22:24:51,833 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:24:51,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:24:51,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:51,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:24:51,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:24:51,834 INFO L87 Difference]: Start difference. First operand 155 states and 201 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2023-11-06 22:24:52,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:52,068 INFO L93 Difference]: Finished difference Result 502 states and 661 transitions. [2023-11-06 22:24:52,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:24:52,068 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2023-11-06 22:24:52,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:52,072 INFO L225 Difference]: With dead ends: 502 [2023-11-06 22:24:52,072 INFO L226 Difference]: Without dead ends: 499 [2023-11-06 22:24:52,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:24:52,074 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 224 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:52,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 140 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:24:52,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2023-11-06 22:24:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 287. [2023-11-06 22:24:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 278 states have (on average 1.3273381294964028) internal successors, (369), 286 states have internal predecessors, (369), 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) [2023-11-06 22:24:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 369 transitions. [2023-11-06 22:24:52,119 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 369 transitions. Word has length 10 [2023-11-06 22:24:52,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:52,119 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 369 transitions. [2023-11-06 22:24:52,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2023-11-06 22:24:52,120 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 369 transitions. [2023-11-06 22:24:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-06 22:24:52,121 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:52,121 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2023-11-06 22:24:52,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:52,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-06 22:24:52,327 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:52,327 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:52,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1143628601, now seen corresponding path program 1 times [2023-11-06 22:24:52,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:52,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352058632] [2023-11-06 22:24:52,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:52,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:52,337 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:52,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276097919] [2023-11-06 22:24:52,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:52,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:52,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:52,339 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:52,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-06 22:24:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:52,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:24:52,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-06 22:24:52,443 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 22:24:52,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:52,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352058632] [2023-11-06 22:24:52,444 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:52,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276097919] [2023-11-06 22:24:52,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276097919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:24:52,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:24:52,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 22:24:52,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184716888] [2023-11-06 22:24:52,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:24:52,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:24:52,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:52,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:24:52,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:24:52,447 INFO L87 Difference]: Start difference. First operand 287 states and 369 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:52,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:52,537 INFO L93 Difference]: Finished difference Result 557 states and 714 transitions. [2023-11-06 22:24:52,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:24:52,538 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2023-11-06 22:24:52,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:52,540 INFO L225 Difference]: With dead ends: 557 [2023-11-06 22:24:52,540 INFO L226 Difference]: Without dead ends: 289 [2023-11-06 22:24:52,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:24:52,543 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 53 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:52,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 65 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:24:52,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-06 22:24:52,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 287. [2023-11-06 22:24:52,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 278 states have (on average 1.2841726618705036) internal successors, (357), 286 states have internal predecessors, (357), 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) [2023-11-06 22:24:52,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 357 transitions. [2023-11-06 22:24:52,575 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 357 transitions. Word has length 11 [2023-11-06 22:24:52,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:52,575 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 357 transitions. [2023-11-06 22:24:52,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 357 transitions. [2023-11-06 22:24:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-06 22:24:52,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:52,577 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-06 22:24:52,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:52,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-06 22:24:52,783 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:52,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:52,783 INFO L85 PathProgramCache]: Analyzing trace with hash -2069850521, now seen corresponding path program 1 times [2023-11-06 22:24:52,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:52,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376119592] [2023-11-06 22:24:52,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:52,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:52,804 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:52,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [37105902] [2023-11-06 22:24:52,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:52,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:52,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:52,806 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:52,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-06 22:24:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:52,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 22:24:52,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:52,934 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:24:52,934 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:24:52,971 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 22:24:52,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:52,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376119592] [2023-11-06 22:24:52,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:52,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37105902] [2023-11-06 22:24:52,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37105902] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:24:52,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:24:52,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2023-11-06 22:24:52,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194960869] [2023-11-06 22:24:52,972 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:24:52,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-06 22:24:52,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:52,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 22:24:52,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:24:52,974 INFO L87 Difference]: Start difference. First operand 287 states and 357 transitions. Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2023-11-06 22:24:53,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:53,153 INFO L93 Difference]: Finished difference Result 557 states and 691 transitions. [2023-11-06 22:24:53,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 22:24:53,154 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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 17 [2023-11-06 22:24:53,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:53,156 INFO L225 Difference]: With dead ends: 557 [2023-11-06 22:24:53,156 INFO L226 Difference]: Without dead ends: 289 [2023-11-06 22:24:53,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:24:53,158 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 249 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:53,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 66 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-06 22:24:53,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2023-11-06 22:24:53,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 287. [2023-11-06 22:24:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 278 states have (on average 1.1546762589928057) internal successors, (321), 286 states have internal predecessors, (321), 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) [2023-11-06 22:24:53,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 321 transitions. [2023-11-06 22:24:53,188 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 321 transitions. Word has length 17 [2023-11-06 22:24:53,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:53,188 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 321 transitions. [2023-11-06 22:24:53,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 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) [2023-11-06 22:24:53,189 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 321 transitions. [2023-11-06 22:24:53,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-06 22:24:53,190 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:53,190 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1] [2023-11-06 22:24:53,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:53,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-06 22:24:53,396 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:53,396 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:53,396 INFO L85 PathProgramCache]: Analyzing trace with hash -1756482670, now seen corresponding path program 2 times [2023-11-06 22:24:53,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:53,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363007209] [2023-11-06 22:24:53,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:53,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:53,428 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:53,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [526594211] [2023-11-06 22:24:53,428 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:24:53,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:53,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:53,430 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:53,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-06 22:24:53,511 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:24:53,511 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:24:53,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:24:53,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:24:53,558 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:24:53,605 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 22:24:53,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:53,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363007209] [2023-11-06 22:24:53,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:53,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526594211] [2023-11-06 22:24:53,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526594211] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:24:53,607 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:24:53,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-06 22:24:53,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058374143] [2023-11-06 22:24:53,607 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:24:53,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:24:53,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:53,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:24:53,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:24:53,609 INFO L87 Difference]: Start difference. First operand 287 states and 321 transitions. Second operand has 6 states, 5 states have (on average 3.8) 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) [2023-11-06 22:24:53,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:53,705 INFO L93 Difference]: Finished difference Result 289 states and 323 transitions. [2023-11-06 22:24:53,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:24:53,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) 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 [2023-11-06 22:24:53,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:53,708 INFO L225 Difference]: With dead ends: 289 [2023-11-06 22:24:53,708 INFO L226 Difference]: Without dead ends: 286 [2023-11-06 22:24:53,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:24:53,709 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 134 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:53,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 61 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:24:53,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2023-11-06 22:24:53,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 252. [2023-11-06 22:24:53,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 246 states have (on average 1.1260162601626016) internal successors, (277), 251 states have internal predecessors, (277), 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) [2023-11-06 22:24:53,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 277 transitions. [2023-11-06 22:24:53,752 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 277 transitions. Word has length 19 [2023-11-06 22:24:53,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:53,752 INFO L495 AbstractCegarLoop]: Abstraction has 252 states and 277 transitions. [2023-11-06 22:24:53,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) 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) [2023-11-06 22:24:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 277 transitions. [2023-11-06 22:24:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-06 22:24:53,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:53,754 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1] [2023-11-06 22:24:53,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:53,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-06 22:24:53,960 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:53,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:53,960 INFO L85 PathProgramCache]: Analyzing trace with hash 211563321, now seen corresponding path program 2 times [2023-11-06 22:24:53,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:53,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738419244] [2023-11-06 22:24:53,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:53,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:53,985 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:53,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1607838078] [2023-11-06 22:24:53,986 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:24:53,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:53,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:53,987 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:54,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-06 22:24:54,095 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:24:54,096 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:24:54,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:24:54,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:54,167 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-06 22:24:54,167 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:24:54,230 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-06 22:24:54,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:54,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738419244] [2023-11-06 22:24:54,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:54,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607838078] [2023-11-06 22:24:54,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607838078] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:24:54,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:24:54,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-06 22:24:54,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686055010] [2023-11-06 22:24:54,231 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:24:54,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:24:54,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:54,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:24:54,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:24:54,233 INFO L87 Difference]: Start difference. First operand 252 states and 277 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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) [2023-11-06 22:24:54,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:54,319 INFO L93 Difference]: Finished difference Result 254 states and 279 transitions. [2023-11-06 22:24:54,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:24:54,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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) Word has length 35 [2023-11-06 22:24:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:54,322 INFO L225 Difference]: With dead ends: 254 [2023-11-06 22:24:54,322 INFO L226 Difference]: Without dead ends: 251 [2023-11-06 22:24:54,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:24:54,324 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 132 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:54,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 42 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:24:54,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-11-06 22:24:54,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 143. [2023-11-06 22:24:54,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 140 states have (on average 1.1357142857142857) internal successors, (159), 142 states have internal predecessors, (159), 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) [2023-11-06 22:24:54,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 159 transitions. [2023-11-06 22:24:54,346 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 159 transitions. Word has length 35 [2023-11-06 22:24:54,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:54,348 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 159 transitions. [2023-11-06 22:24:54,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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) [2023-11-06 22:24:54,348 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 159 transitions. [2023-11-06 22:24:54,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-06 22:24:54,351 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:54,351 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2023-11-06 22:24:54,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:54,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-06 22:24:54,558 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:54,558 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:54,558 INFO L85 PathProgramCache]: Analyzing trace with hash -284679806, now seen corresponding path program 1 times [2023-11-06 22:24:54,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:54,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492461541] [2023-11-06 22:24:54,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:54,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:54,577 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:54,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [142693182] [2023-11-06 22:24:54,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:54,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:54,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:54,579 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:54,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-06 22:24:54,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:24:54,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 22:24:54,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:54,799 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-06 22:24:54,799 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:24:54,880 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 61 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-11-06 22:24:54,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:54,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492461541] [2023-11-06 22:24:54,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:54,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142693182] [2023-11-06 22:24:54,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142693182] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:24:54,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:24:54,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-11-06 22:24:54,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967735703] [2023-11-06 22:24:54,882 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:24:54,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-06 22:24:54,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:54,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-06 22:24:54,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=101, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:24:54,884 INFO L87 Difference]: Start difference. First operand 143 states and 159 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 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) [2023-11-06 22:24:55,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:55,226 INFO L93 Difference]: Finished difference Result 416 states and 483 transitions. [2023-11-06 22:24:55,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-06 22:24:55,227 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 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 42 [2023-11-06 22:24:55,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:55,229 INFO L225 Difference]: With dead ends: 416 [2023-11-06 22:24:55,229 INFO L226 Difference]: Without dead ends: 277 [2023-11-06 22:24:55,230 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=191, Unknown=0, NotChecked=0, Total=342 [2023-11-06 22:24:55,231 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 222 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:55,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 115 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-06 22:24:55,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2023-11-06 22:24:55,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 275. [2023-11-06 22:24:55,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 272 states have (on average 1.0698529411764706) internal successors, (291), 274 states have internal predecessors, (291), 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) [2023-11-06 22:24:55,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 291 transitions. [2023-11-06 22:24:55,274 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 291 transitions. Word has length 42 [2023-11-06 22:24:55,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:55,274 INFO L495 AbstractCegarLoop]: Abstraction has 275 states and 291 transitions. [2023-11-06 22:24:55,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 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) [2023-11-06 22:24:55,275 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 291 transitions. [2023-11-06 22:24:55,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-06 22:24:55,277 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:24:55,277 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2023-11-06 22:24:55,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:55,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:55,484 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2023-11-06 22:24:55,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:24:55,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1470697150, now seen corresponding path program 2 times [2023-11-06 22:24:55,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:24:55,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727302361] [2023-11-06 22:24:55,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:24:55,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:24:55,519 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 22:24:55,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [264773907] [2023-11-06 22:24:55,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 22:24:55,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 22:24:55,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:24:55,521 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 22:24:55,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-06 22:24:55,648 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2023-11-06 22:24:55,649 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 22:24:55,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 22:24:55,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 22:24:55,779 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-11-06 22:24:55,780 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 22:24:55,911 INFO L134 CoverageAnalysis]: Checked inductivity of 622 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2023-11-06 22:24:55,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:24:55,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727302361] [2023-11-06 22:24:55,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 22:24:55,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264773907] [2023-11-06 22:24:55,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264773907] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 22:24:55,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 22:24:55,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-06 22:24:55,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154736986] [2023-11-06 22:24:55,913 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 22:24:55,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:24:55,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:24:55,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:24:55,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:24:55,915 INFO L87 Difference]: Start difference. First operand 275 states and 291 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2023-11-06 22:24:56,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:24:56,016 INFO L93 Difference]: Finished difference Result 277 states and 293 transitions. [2023-11-06 22:24:56,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:24:56,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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 78 [2023-11-06 22:24:56,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:24:56,017 INFO L225 Difference]: With dead ends: 277 [2023-11-06 22:24:56,017 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 22:24:56,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2023-11-06 22:24:56,019 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 120 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:24:56,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 29 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:24:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 22:24:56,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 22:24:56,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 22:24:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 22:24:56,022 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2023-11-06 22:24:56,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:24:56,022 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:24:56,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 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) [2023-11-06 22:24:56,023 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:24:56,023 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 22:24:56,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2023-11-06 22:24:56,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2023-11-06 22:24:56,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2023-11-06 22:24:56,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2023-11-06 22:24:56,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2023-11-06 22:24:56,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2023-11-06 22:24:56,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2023-11-06 22:24:56,028 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2023-11-06 22:24:56,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2023-11-06 22:24:56,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2023-11-06 22:24:56,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2023-11-06 22:24:56,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2023-11-06 22:24:56,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2023-11-06 22:24:56,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2023-11-06 22:24:56,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2023-11-06 22:24:56,030 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2023-11-06 22:24:56,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2023-11-06 22:24:56,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2023-11-06 22:24:56,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-06 22:24:56,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-06 22:24:56,247 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 22:24:58,480 INFO L899 garLoopResultBuilder]: For program point L68-3(lines 68 71) no Hoare annotation was computed. [2023-11-06 22:24:58,480 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-06 22:24:58,481 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-11-06 22:24:58,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 72) no Hoare annotation was computed. [2023-11-06 22:24:58,481 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 13 77) the Hoare annotation is: (<= 0 |ULTIMATE.start_main_~i~0#1|) [2023-11-06 22:24:58,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-06 22:24:58,481 INFO L899 garLoopResultBuilder]: For program point L3(line 3) no Hoare annotation was computed. [2023-11-06 22:24:58,481 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-06 22:24:58,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 22:24:58,482 INFO L895 garLoopResultBuilder]: At program point L28-2(lines 28 36) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1800) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646) (= |ULTIMATE.start_main_~n~0#1| 1500)) [2023-11-06 22:24:58,482 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 36) no Hoare annotation was computed. [2023-11-06 22:24:58,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 74) no Hoare annotation was computed. [2023-11-06 22:24:58,482 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-06 22:24:58,482 INFO L899 garLoopResultBuilder]: For program point L70(line 70) no Hoare annotation was computed. [2023-11-06 22:24:58,482 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-06 22:24:58,483 INFO L899 garLoopResultBuilder]: For program point L70-1(line 70) no Hoare annotation was computed. [2023-11-06 22:24:58,483 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-06 22:24:58,483 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-06 22:24:58,483 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 74) no Hoare annotation was computed. [2023-11-06 22:24:58,483 INFO L895 garLoopResultBuilder]: At program point L46-2(lines 46 53) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1800) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646) (= |ULTIMATE.start_main_~n~0#1| 1500)) [2023-11-06 22:24:58,483 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-06 22:24:58,483 INFO L899 garLoopResultBuilder]: For program point L46-3(lines 46 53) no Hoare annotation was computed. [2023-11-06 22:24:58,484 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 22:24:58,484 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 63 75) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1800) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646) (= |ULTIMATE.start_main_~n~0#1| 1500)) [2023-11-06 22:24:58,484 INFO L895 garLoopResultBuilder]: At program point L30-2(lines 30 34) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1800) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2023-11-06 22:24:58,484 INFO L899 garLoopResultBuilder]: For program point L63-3(lines 63 75) no Hoare annotation was computed. [2023-11-06 22:24:58,484 INFO L899 garLoopResultBuilder]: For program point L30-3(lines 30 34) no Hoare annotation was computed. [2023-11-06 22:24:58,484 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2023-11-06 22:24:58,484 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2023-11-06 22:24:58,485 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2023-11-06 22:24:58,485 INFO L895 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1800) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 1799) (= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2023-11-06 22:24:58,485 INFO L895 garLoopResultBuilder]: At program point L48-2(lines 48 51) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1800) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2023-11-06 22:24:58,485 INFO L899 garLoopResultBuilder]: For program point L48-3(lines 48 51) no Hoare annotation was computed. [2023-11-06 22:24:58,485 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2023-11-06 22:24:58,485 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2023-11-06 22:24:58,485 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 22:24:58,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-06 22:24:58,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2023-11-06 22:24:58,486 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2023-11-06 22:24:58,486 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-11-06 22:24:58,486 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 22:24:58,486 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-11-06 22:24:58,486 INFO L895 garLoopResultBuilder]: At program point L66-2(lines 66 73) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1800) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646) (= |ULTIMATE.start_main_~n~0#1| 1500)) [2023-11-06 22:24:58,486 INFO L899 garLoopResultBuilder]: For program point L66-3(lines 66 73) no Hoare annotation was computed. [2023-11-06 22:24:58,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-06 22:24:58,487 INFO L895 garLoopResultBuilder]: At program point L25-2(lines 25 38) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1800) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646) (= |ULTIMATE.start_main_~n~0#1| 1500)) [2023-11-06 22:24:58,487 INFO L899 garLoopResultBuilder]: For program point L25-3(lines 25 38) no Hoare annotation was computed. [2023-11-06 22:24:58,487 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-06 22:24:58,487 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2023-11-06 22:24:58,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 70) no Hoare annotation was computed. [2023-11-06 22:24:58,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-06 22:24:58,487 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 72) no Hoare annotation was computed. [2023-11-06 22:24:58,488 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-06 22:24:58,488 INFO L895 garLoopResultBuilder]: At program point L43-2(lines 43 55) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~i~0#1| 2147483646) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1800) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (<= |ULTIMATE.start_main_~j~0#1| 2147483646) (= |ULTIMATE.start_main_~n~0#1| 1500)) [2023-11-06 22:24:58,488 INFO L899 garLoopResultBuilder]: For program point L43-3(lines 43 55) no Hoare annotation was computed. [2023-11-06 22:24:58,488 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-06 22:24:58,488 INFO L895 garLoopResultBuilder]: At program point L68-2(lines 68 71) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~m~0#1| 1000) (<= |ULTIMATE.start_main_~i~0#1| 999) (<= 0 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~p~0#1| 1800) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 2147483646) (= |ULTIMATE.start_main_~n~0#1| 1500) (<= |ULTIMATE.start_main_~j~0#1| 1499)) [2023-11-06 22:24:58,493 INFO L445 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:24:58,495 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:24:58,530 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:24:58 BoogieIcfgContainer [2023-11-06 22:24:58,530 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:24:58,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:24:58,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:24:58,531 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:24:58,531 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:24:48" (3/4) ... [2023-11-06 22:24:58,533 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:24:58,549 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-06 22:24:58,549 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:24:58,549 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:24:58,550 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:24:58,653 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:24:58,654 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:24:58,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:24:58,655 INFO L158 Benchmark]: Toolchain (without parser) took 11652.87ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 141.3MB in the beginning and 177.0MB in the end (delta: -35.6MB). Peak memory consumption was 123.5MB. Max. memory is 16.1GB. [2023-11-06 22:24:58,656 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:24:58,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 356.39ms. Allocated memory is still 174.1MB. Free memory was 141.1MB in the beginning and 133.8MB in the end (delta: 7.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2023-11-06 22:24:58,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.72ms. Allocated memory is still 174.1MB. Free memory was 133.8MB in the beginning and 131.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:24:58,657 INFO L158 Benchmark]: Boogie Preprocessor took 34.12ms. Allocated memory is still 174.1MB. Free memory was 131.7MB in the beginning and 130.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:24:58,657 INFO L158 Benchmark]: RCFGBuilder took 764.90ms. Allocated memory is still 174.1MB. Free memory was 130.4MB in the beginning and 133.0MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-06 22:24:58,658 INFO L158 Benchmark]: TraceAbstraction took 10300.89ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 132.1MB in the beginning and 58.9MB in the end (delta: 73.2MB). Peak memory consumption was 116.1MB. Max. memory is 16.1GB. [2023-11-06 22:24:58,658 INFO L158 Benchmark]: Witness Printer took 124.15ms. Allocated memory is still 209.7MB. Free memory was 58.9MB in the beginning and 177.0MB in the end (delta: -118.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-11-06 22:24:58,660 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 356.39ms. Allocated memory is still 174.1MB. Free memory was 141.1MB in the beginning and 133.8MB in the end (delta: 7.3MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.72ms. Allocated memory is still 174.1MB. Free memory was 133.8MB in the beginning and 131.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.12ms. Allocated memory is still 174.1MB. Free memory was 131.7MB in the beginning and 130.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 764.90ms. Allocated memory is still 174.1MB. Free memory was 130.4MB in the beginning and 133.0MB in the end (delta: -2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10300.89ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 132.1MB in the beginning and 58.9MB in the end (delta: 73.2MB). Peak memory consumption was 116.1MB. Max. memory is 16.1GB. * Witness Printer took 124.15ms. Allocated memory is still 209.7MB. Free memory was 58.9MB in the beginning and 177.0MB in the end (delta: -118.1MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 14, TraceHistogramMax: 20, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1441 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1441 mSDsluCounter, 900 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 403 mSDsCounter, 440 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 483 IncrementalHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 440 mSolverCounterUnsat, 497 mSDtfsCounter, 483 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 453 GetRequests, 396 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=287occurred in iteration=8, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 455 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 116 NumberOfFragments, 283 HoareAnnotationTreeSize, 11 FomulaSimplifications, 4437 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 11 FomulaSimplificationsInter, 5758 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 259 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 440 ConstructedInterpolants, 0 QuantifiedInterpolants, 1206 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1258 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 928/1772 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (m <= 1000)) && (i <= 999)) && (0 <= j)) && (p == 1800)) && (0 <= i)) && (k <= 2147483646)) && (n == 1500)) && (j <= 1499)) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (m <= 1000)) && (i <= 2147483646)) && (0 <= j)) && (p == 1800)) && (0 <= i)) && (k <= 2147483646)) && (j <= 2147483646)) && (n == 1500)) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (m <= 1000)) && (i <= 999)) && (0 <= j)) && (p == 1800)) && (0 <= i)) && (k <= 2147483646)) && (n == 1500)) && (j <= 1499)) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (m <= 1000)) && (i <= 999)) && (0 <= j)) && (p == 1800)) && (0 <= i)) && (k <= 1799)) && (n == 1500)) && (j <= 1499)) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: (0 <= i) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (m <= 1000)) && (i <= 2147483646)) && (0 <= j)) && (p == 1800)) && (0 <= i)) && (k <= 2147483646)) && (j <= 2147483646)) && (n == 1500)) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (m <= 1000)) && (i <= 2147483646)) && (0 <= j)) && (p == 1800)) && (0 <= i)) && (k <= 2147483646)) && (j <= 2147483646)) && (n == 1500)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (m <= 1000)) && (i <= 999)) && (0 <= j)) && (p == 1800)) && (0 <= i)) && (k <= 2147483646)) && (j <= 2147483646)) && (n == 1500)) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (m <= 1000)) && (i <= 999)) && (0 <= j)) && (p == 1800)) && (0 <= i)) && (k <= 2147483646)) && (j <= 2147483646)) && (n == 1500)) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (m <= 1000)) && (i <= 999)) && (0 <= j)) && (p == 1800)) && (0 <= i)) && (k <= 2147483646)) && (n == 1500)) && (j <= 1499)) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: (((((((((0 <= k) && (m <= 1000)) && (i <= 999)) && (0 <= j)) && (p == 1800)) && (0 <= i)) && (k <= 2147483646)) && (j <= 2147483646)) && (n == 1500)) RESULT: Ultimate proved your program to be correct! [2023-11-06 22:24:58,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62bdde5b-c483-40a8-9d75-b0ab360d4e44/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE