./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:45:00,136 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:45:00,271 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-19 07:45:00,283 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:45:00,284 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:45:00,324 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:45:00,326 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:45:00,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:45:00,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:45:00,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:45:00,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:45:00,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:45:00,335 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:45:00,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:45:00,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:45:00,338 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:45:00,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:45:00,339 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:45:00,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:45:00,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:45:00,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:45:00,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:45:00,342 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 07:45:00,342 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:45:00,343 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:45:00,343 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:45:00,343 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:45:00,344 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:45:00,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:45:00,345 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:45:00,347 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:00,347 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:45:00,347 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:45:00,348 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:45:00,348 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:45:00,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:45:00,349 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:45:00,349 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:45:00,349 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:45:00,349 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:45:00,350 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:45:00,350 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_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4615816b63186e8ef25ffa56a09fb574b90534edb7a787dbb36e36eb2c34dee2 [2023-11-19 07:45:00,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:45:00,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:45:00,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:45:00,697 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:45:00,698 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:45:00,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2023-11-19 07:45:04,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:45:04,203 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:45:04,204 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound10.c [2023-11-19 07:45:04,212 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/data/8c1ae83d6/1a5cb6d0e8b64de0aed3afe395bced00/FLAG0d8278ccc [2023-11-19 07:45:04,227 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/data/8c1ae83d6/1a5cb6d0e8b64de0aed3afe395bced00 [2023-11-19 07:45:04,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:45:04,232 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:45:04,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:04,234 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:45:04,239 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:45:04,240 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@564ac794 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04, skipping insertion in model container [2023-11-19 07:45:04,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,264 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:45:04,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:04,449 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:45:04,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:45:04,494 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:45:04,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04 WrapperNode [2023-11-19 07:45:04,495 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:45:04,496 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:04,497 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:45:04,497 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:45:04,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,522 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,563 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2023-11-19 07:45:04,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:45:04,575 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:45:04,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:45:04,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:45:04,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,605 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,611 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:45:04,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:45:04,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:45:04,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:45:04,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (1/1) ... [2023-11-19 07:45:04,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:45:04,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:04,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:45:04,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:45:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:45:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:45:04,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:45:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:45:04,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 07:45:04,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 07:45:04,798 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:45:04,800 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:45:05,220 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:45:05,238 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:45:05,239 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:45:05,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:05 BoogieIcfgContainer [2023-11-19 07:45:05,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:45:05,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:45:05,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:45:05,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:45:05,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:45:04" (1/3) ... [2023-11-19 07:45:05,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8624490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:05, skipping insertion in model container [2023-11-19 07:45:05,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:45:04" (2/3) ... [2023-11-19 07:45:05,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8624490 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:45:05, skipping insertion in model container [2023-11-19 07:45:05,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:05" (3/3) ... [2023-11-19 07:45:05,256 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound10.c [2023-11-19 07:45:05,273 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:45:05,273 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2023-11-19 07:45:05,351 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:45:05,372 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@20e0587a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:45:05,373 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2023-11-19 07:45:05,381 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-19 07:45:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 07:45:05,389 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:05,389 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 07:45:05,390 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:05,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:05,397 INFO L85 PathProgramCache]: Analyzing trace with hash 928069, now seen corresponding path program 1 times [2023-11-19 07:45:05,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:05,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526269366] [2023-11-19 07:45:05,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:05,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:05,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:45:05,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:05,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526269366] [2023-11-19 07:45:05,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526269366] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:05,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:05,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:45:05,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486158585] [2023-11-19 07:45:05,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:05,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:45:05,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:05,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:45:05,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:45:05,604 INFO L87 Difference]: Start difference. First operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:45:05,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:05,645 INFO L93 Difference]: Finished difference Result 243 states and 269 transitions. [2023-11-19 07:45:05,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:45:05,648 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-19 07:45:05,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:05,658 INFO L225 Difference]: With dead ends: 243 [2023-11-19 07:45:05,658 INFO L226 Difference]: Without dead ends: 114 [2023-11-19 07:45:05,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:45:05,666 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:05,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:45:05,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-19 07:45:05,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2023-11-19 07:45:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.8166666666666667) internal successors, (109), 107 states have internal predecessors, (109), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:45:05,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 119 transitions. [2023-11-19 07:45:05,724 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 119 transitions. Word has length 4 [2023-11-19 07:45:05,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:05,724 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 119 transitions. [2023-11-19 07:45:05,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:45:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2023-11-19 07:45:05,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 07:45:05,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:05,726 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-19 07:45:05,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:45:05,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:05,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:05,728 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2023-11-19 07:45:05,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:05,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189537378] [2023-11-19 07:45:05,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:05,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:05,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:45:05,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:05,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189537378] [2023-11-19 07:45:05,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189537378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:05,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:05,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:45:05,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971357943] [2023-11-19 07:45:05,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:05,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:45:05,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:05,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:45:05,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:05,853 INFO L87 Difference]: Start difference. First operand 114 states and 119 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:45:05,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:05,922 INFO L93 Difference]: Finished difference Result 168 states and 174 transitions. [2023-11-19 07:45:05,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:45:05,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2023-11-19 07:45:05,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:05,925 INFO L225 Difference]: With dead ends: 168 [2023-11-19 07:45:05,926 INFO L226 Difference]: Without dead ends: 118 [2023-11-19 07:45:05,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:45:05,928 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 4 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:05,929 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 340 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:45:05,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-11-19 07:45:05,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2023-11-19 07:45:05,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 64 states have (on average 1.765625) internal successors, (113), 111 states have internal predecessors, (113), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-19 07:45:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 123 transitions. [2023-11-19 07:45:05,946 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 123 transitions. Word has length 4 [2023-11-19 07:45:05,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:05,947 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 123 transitions. [2023-11-19 07:45:05,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:45:05,948 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 123 transitions. [2023-11-19 07:45:05,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 07:45:05,948 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:05,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:05,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:45:05,949 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:05,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:05,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812487, now seen corresponding path program 1 times [2023-11-19 07:45:05,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:05,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671990496] [2023-11-19 07:45:05,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:05,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:06,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:45:06,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:06,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671990496] [2023-11-19 07:45:06,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671990496] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:06,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:06,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:45:06,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951554201] [2023-11-19 07:45:06,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:06,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:45:06,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:06,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:45:06,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:45:06,012 INFO L87 Difference]: Start difference. First operand 118 states and 123 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) [2023-11-19 07:45:06,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:06,156 INFO L93 Difference]: Finished difference Result 212 states and 222 transitions. [2023-11-19 07:45:06,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:45:06,156 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 [2023-11-19 07:45:06,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:06,160 INFO L225 Difference]: With dead ends: 212 [2023-11-19 07:45:06,160 INFO L226 Difference]: Without dead ends: 192 [2023-11-19 07:45:06,161 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:45:06,163 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 68 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:06,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 205 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:06,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2023-11-19 07:45:06,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 157. [2023-11-19 07:45:06,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 99 states have (on average 1.6161616161616161) internal successors, (160), 146 states have internal predecessors, (160), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2023-11-19 07:45:06,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 178 transitions. [2023-11-19 07:45:06,198 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 178 transitions. Word has length 7 [2023-11-19 07:45:06,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:06,199 INFO L495 AbstractCegarLoop]: Abstraction has 157 states and 178 transitions. [2023-11-19 07:45:06,199 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) [2023-11-19 07:45:06,199 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 178 transitions. [2023-11-19 07:45:06,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 07:45:06,201 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:06,201 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:06,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 07:45:06,201 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:06,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:06,206 INFO L85 PathProgramCache]: Analyzing trace with hash 323965805, now seen corresponding path program 1 times [2023-11-19 07:45:06,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:06,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339899435] [2023-11-19 07:45:06,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:06,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:06,255 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:06,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2115501831] [2023-11-19 07:45:06,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:06,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:06,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:06,259 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:06,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:45:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:06,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:45:06,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:06,459 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:45:06,460 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:06,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:06,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339899435] [2023-11-19 07:45:06,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:06,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115501831] [2023-11-19 07:45:06,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115501831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:06,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:06,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:45:06,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106179412] [2023-11-19 07:45:06,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:06,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:45:06,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:06,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:45:06,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:45:06,472 INFO L87 Difference]: Start difference. First operand 157 states and 178 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:45:06,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:06,641 INFO L93 Difference]: Finished difference Result 196 states and 206 transitions. [2023-11-19 07:45:06,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:45:06,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2023-11-19 07:45:06,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:06,649 INFO L225 Difference]: With dead ends: 196 [2023-11-19 07:45:06,649 INFO L226 Difference]: Without dead ends: 188 [2023-11-19 07:45:06,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:45:06,660 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 53 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:06,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 188 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:06,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-19 07:45:06,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 168. [2023-11-19 07:45:06,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 109 states have (on average 1.5688073394495412) internal successors, (171), 156 states have internal predecessors, (171), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:45:06,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 191 transitions. [2023-11-19 07:45:06,688 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 191 transitions. Word has length 28 [2023-11-19 07:45:06,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:06,689 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 191 transitions. [2023-11-19 07:45:06,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:45:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 191 transitions. [2023-11-19 07:45:06,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 07:45:06,691 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:06,691 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:06,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:06,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:06,906 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:06,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:06,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1453005437, now seen corresponding path program 1 times [2023-11-19 07:45:06,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:06,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431485] [2023-11-19 07:45:06,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:06,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:06,923 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:06,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1990298665] [2023-11-19 07:45:06,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:06,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:06,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:06,926 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:06,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:45:06,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:06,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:45:06,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:07,036 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:45:07,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:07,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:07,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431485] [2023-11-19 07:45:07,037 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:07,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990298665] [2023-11-19 07:45:07,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990298665] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:07,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:07,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:45:07,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306575560] [2023-11-19 07:45:07,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:07,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:45:07,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:07,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:45:07,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:45:07,041 INFO L87 Difference]: Start difference. First operand 168 states and 191 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:45:07,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:07,163 INFO L93 Difference]: Finished difference Result 184 states and 202 transitions. [2023-11-19 07:45:07,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:45:07,164 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2023-11-19 07:45:07,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:07,166 INFO L225 Difference]: With dead ends: 184 [2023-11-19 07:45:07,166 INFO L226 Difference]: Without dead ends: 182 [2023-11-19 07:45:07,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:45:07,168 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 50 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:07,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 193 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:07,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-19 07:45:07,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 168. [2023-11-19 07:45:07,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 109 states have (on average 1.5504587155963303) internal successors, (169), 156 states have internal predecessors, (169), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:45:07,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 189 transitions. [2023-11-19 07:45:07,205 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 189 transitions. Word has length 29 [2023-11-19 07:45:07,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:07,205 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 189 transitions. [2023-11-19 07:45:07,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:45:07,206 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 189 transitions. [2023-11-19 07:45:07,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 07:45:07,207 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:07,207 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:07,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:07,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:07,408 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:07,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:07,408 INFO L85 PathProgramCache]: Analyzing trace with hash 2093495663, now seen corresponding path program 1 times [2023-11-19 07:45:07,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:07,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159816383] [2023-11-19 07:45:07,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:07,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:07,444 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:07,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1286235182] [2023-11-19 07:45:07,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:07,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:07,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:07,447 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:07,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:45:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:07,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:45:07,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:07,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:45:07,581 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:07,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:07,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159816383] [2023-11-19 07:45:07,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:07,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286235182] [2023-11-19 07:45:07,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286235182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:07,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:07,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:45:07,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808204601] [2023-11-19 07:45:07,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:07,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 07:45:07,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:07,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:45:07,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:45:07,585 INFO L87 Difference]: Start difference. First operand 168 states and 189 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:45:07,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:07,695 INFO L93 Difference]: Finished difference Result 190 states and 200 transitions. [2023-11-19 07:45:07,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:45:07,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2023-11-19 07:45:07,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:07,698 INFO L225 Difference]: With dead ends: 190 [2023-11-19 07:45:07,699 INFO L226 Difference]: Without dead ends: 182 [2023-11-19 07:45:07,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:45:07,702 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 45 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:07,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 182 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:07,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-19 07:45:07,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 171. [2023-11-19 07:45:07,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 112 states have (on average 1.4910714285714286) internal successors, (167), 159 states have internal predecessors, (167), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:45:07,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 187 transitions. [2023-11-19 07:45:07,734 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 187 transitions. Word has length 30 [2023-11-19 07:45:07,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:07,735 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 187 transitions. [2023-11-19 07:45:07,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:45:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 187 transitions. [2023-11-19 07:45:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 07:45:07,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:07,738 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:07,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:07,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-19 07:45:07,960 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:07,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:07,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1804640113, now seen corresponding path program 1 times [2023-11-19 07:45:07,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:07,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357520558] [2023-11-19 07:45:07,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:07,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:07,985 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:07,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219692810] [2023-11-19 07:45:07,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:07,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:07,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:07,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:08,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 07:45:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:08,061 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:45:08,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:08,192 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:45:08,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:08,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:08,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357520558] [2023-11-19 07:45:08,196 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:08,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219692810] [2023-11-19 07:45:08,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219692810] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:08,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:08,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:45:08,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039605632] [2023-11-19 07:45:08,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:08,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:45:08,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:08,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:45:08,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:08,200 INFO L87 Difference]: Start difference. First operand 171 states and 187 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:45:08,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:08,365 INFO L93 Difference]: Finished difference Result 182 states and 192 transitions. [2023-11-19 07:45:08,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:45:08,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2023-11-19 07:45:08,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:08,368 INFO L225 Difference]: With dead ends: 182 [2023-11-19 07:45:08,369 INFO L226 Difference]: Without dead ends: 180 [2023-11-19 07:45:08,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:08,371 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 93 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:08,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 188 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:08,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-19 07:45:08,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 171. [2023-11-19 07:45:08,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 112 states have (on average 1.4732142857142858) internal successors, (165), 159 states have internal predecessors, (165), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:45:08,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 185 transitions. [2023-11-19 07:45:08,394 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 185 transitions. Word has length 32 [2023-11-19 07:45:08,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:08,397 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 185 transitions. [2023-11-19 07:45:08,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:45:08,398 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 185 transitions. [2023-11-19 07:45:08,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 07:45:08,402 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:08,402 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:08,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:08,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-11-19 07:45:08,625 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:08,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:08,626 INFO L85 PathProgramCache]: Analyzing trace with hash -360182923, now seen corresponding path program 1 times [2023-11-19 07:45:08,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:08,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133343427] [2023-11-19 07:45:08,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:08,644 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:08,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1895333778] [2023-11-19 07:45:08,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:08,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:08,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:08,654 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:08,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-19 07:45:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:08,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:45:08,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 07:45:08,889 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:08,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:08,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133343427] [2023-11-19 07:45:08,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:08,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895333778] [2023-11-19 07:45:08,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895333778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:08,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:08,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:45:08,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394605736] [2023-11-19 07:45:08,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:08,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:45:08,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:08,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:45:08,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:08,893 INFO L87 Difference]: Start difference. First operand 171 states and 185 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:45:09,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:09,071 INFO L93 Difference]: Finished difference Result 176 states and 186 transitions. [2023-11-19 07:45:09,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:45:09,072 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2023-11-19 07:45:09,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:09,073 INFO L225 Difference]: With dead ends: 176 [2023-11-19 07:45:09,073 INFO L226 Difference]: Without dead ends: 148 [2023-11-19 07:45:09,074 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:09,075 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 44 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:09,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 230 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:45:09,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2023-11-19 07:45:09,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2023-11-19 07:45:09,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 91 states have (on average 1.5384615384615385) internal successors, (140), 138 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:45:09,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2023-11-19 07:45:09,085 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 36 [2023-11-19 07:45:09,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:09,085 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2023-11-19 07:45:09,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 07:45:09,086 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2023-11-19 07:45:09,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 07:45:09,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:09,087 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:09,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:09,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:09,297 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:09,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:09,297 INFO L85 PathProgramCache]: Analyzing trace with hash 89880211, now seen corresponding path program 1 times [2023-11-19 07:45:09,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:09,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345237141] [2023-11-19 07:45:09,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:09,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:09,310 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:09,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [579690006] [2023-11-19 07:45:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:09,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:09,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:09,311 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:09,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-19 07:45:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:09,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:45:09,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:09,582 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:45:09,582 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:09,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:09,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345237141] [2023-11-19 07:45:09,583 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:09,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579690006] [2023-11-19 07:45:09,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579690006] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:09,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:09,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:45:09,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340410024] [2023-11-19 07:45:09,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:09,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:45:09,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:09,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:45:09,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:09,586 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:45:09,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:09,719 INFO L93 Difference]: Finished difference Result 148 states and 156 transitions. [2023-11-19 07:45:09,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:45:09,719 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2023-11-19 07:45:09,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:09,721 INFO L225 Difference]: With dead ends: 148 [2023-11-19 07:45:09,721 INFO L226 Difference]: Without dead ends: 142 [2023-11-19 07:45:09,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:09,724 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 162 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:09,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 114 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:09,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-19 07:45:09,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-19 07:45:09,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 91 states have (on average 1.4725274725274726) internal successors, (134), 132 states have internal predecessors, (134), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:45:09,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 150 transitions. [2023-11-19 07:45:09,748 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 150 transitions. Word has length 49 [2023-11-19 07:45:09,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:09,750 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 150 transitions. [2023-11-19 07:45:09,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:45:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 150 transitions. [2023-11-19 07:45:09,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 07:45:09,757 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:09,758 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:09,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:09,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:09,971 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:09,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:09,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1508680645, now seen corresponding path program 1 times [2023-11-19 07:45:09,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:09,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506095260] [2023-11-19 07:45:09,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:09,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:09,985 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:09,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1550101892] [2023-11-19 07:45:09,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:09,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:09,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:09,986 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:09,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-19 07:45:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:10,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:45:10,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:10,221 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:45:10,221 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:10,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:10,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506095260] [2023-11-19 07:45:10,222 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:10,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1550101892] [2023-11-19 07:45:10,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1550101892] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:10,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:10,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:45:10,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983965723] [2023-11-19 07:45:10,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:10,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:45:10,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:10,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:45:10,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:10,228 INFO L87 Difference]: Start difference. First operand 142 states and 150 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:45:10,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:10,330 INFO L93 Difference]: Finished difference Result 145 states and 153 transitions. [2023-11-19 07:45:10,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:45:10,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2023-11-19 07:45:10,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:10,333 INFO L225 Difference]: With dead ends: 145 [2023-11-19 07:45:10,333 INFO L226 Difference]: Without dead ends: 144 [2023-11-19 07:45:10,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:10,336 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:10,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 222 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:10,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-11-19 07:45:10,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2023-11-19 07:45:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 134 states have internal predecessors, (136), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:45:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 152 transitions. [2023-11-19 07:45:10,346 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 152 transitions. Word has length 50 [2023-11-19 07:45:10,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:10,346 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 152 transitions. [2023-11-19 07:45:10,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:45:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 152 transitions. [2023-11-19 07:45:10,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 07:45:10,348 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:10,348 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:10,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:10,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 07:45:10,574 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:10,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:10,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1856847389, now seen corresponding path program 1 times [2023-11-19 07:45:10,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:10,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673244712] [2023-11-19 07:45:10,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:10,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:10,586 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:10,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [528532590] [2023-11-19 07:45:10,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:10,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:10,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:10,588 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:10,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-19 07:45:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:10,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:45:10,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:10,748 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:45:10,748 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:10,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:10,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673244712] [2023-11-19 07:45:10,749 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:10,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [528532590] [2023-11-19 07:45:10,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [528532590] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:10,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:10,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:45:10,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622095983] [2023-11-19 07:45:10,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:10,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:45:10,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:10,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:45:10,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:45:10,753 INFO L87 Difference]: Start difference. First operand 144 states and 152 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:45:10,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:10,781 INFO L93 Difference]: Finished difference Result 144 states and 152 transitions. [2023-11-19 07:45:10,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:45:10,782 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2023-11-19 07:45:10,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:10,784 INFO L225 Difference]: With dead ends: 144 [2023-11-19 07:45:10,784 INFO L226 Difference]: Without dead ends: 143 [2023-11-19 07:45:10,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:10,785 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 74 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:10,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 316 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:45:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-11-19 07:45:10,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-11-19 07:45:10,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 93 states have (on average 1.4516129032258065) internal successors, (135), 133 states have internal predecessors, (135), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-19 07:45:10,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 151 transitions. [2023-11-19 07:45:10,795 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 151 transitions. Word has length 52 [2023-11-19 07:45:10,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:10,796 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 151 transitions. [2023-11-19 07:45:10,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:45:10,797 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 151 transitions. [2023-11-19 07:45:10,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 07:45:10,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:10,798 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:10,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:11,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-19 07:45:11,014 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:11,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:11,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1727694252, now seen corresponding path program 1 times [2023-11-19 07:45:11,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:11,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987784871] [2023-11-19 07:45:11,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:11,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:11,038 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:11,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [163188301] [2023-11-19 07:45:11,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:11,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:11,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:11,053 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:11,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-19 07:45:11,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:11,108 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 07:45:11,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:11,184 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:45:11,184 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:11,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:11,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987784871] [2023-11-19 07:45:11,185 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:11,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163188301] [2023-11-19 07:45:11,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163188301] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:11,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:11,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:45:11,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087999429] [2023-11-19 07:45:11,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:11,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 07:45:11,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:11,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 07:45:11,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 07:45:11,188 INFO L87 Difference]: Start difference. First operand 143 states and 151 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:45:11,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:11,246 INFO L93 Difference]: Finished difference Result 189 states and 197 transitions. [2023-11-19 07:45:11,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 07:45:11,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2023-11-19 07:45:11,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:11,249 INFO L225 Difference]: With dead ends: 189 [2023-11-19 07:45:11,249 INFO L226 Difference]: Without dead ends: 188 [2023-11-19 07:45:11,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:45:11,251 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 71 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:11,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 480 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:45:11,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-19 07:45:11,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 158. [2023-11-19 07:45:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 106 states have (on average 1.471698113207547) internal successors, (156), 146 states have internal predecessors, (156), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:45:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 176 transitions. [2023-11-19 07:45:11,265 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 176 transitions. Word has length 53 [2023-11-19 07:45:11,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:11,266 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 176 transitions. [2023-11-19 07:45:11,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:45:11,266 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 176 transitions. [2023-11-19 07:45:11,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 07:45:11,268 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:11,269 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:11,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:11,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:11,497 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:11,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:11,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1838165906, now seen corresponding path program 1 times [2023-11-19 07:45:11,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:11,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776012673] [2023-11-19 07:45:11,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:11,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:11,521 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:11,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [123681267] [2023-11-19 07:45:11,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:11,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:11,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:11,523 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:11,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-19 07:45:11,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:11,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:45:11,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:11,647 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:45:11,648 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:11,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:11,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776012673] [2023-11-19 07:45:11,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:11,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123681267] [2023-11-19 07:45:11,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123681267] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:11,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:11,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 07:45:11,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137419887] [2023-11-19 07:45:11,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:11,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 07:45:11,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:11,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:45:11,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:11,653 INFO L87 Difference]: Start difference. First operand 158 states and 176 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:45:11,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:11,747 INFO L93 Difference]: Finished difference Result 158 states and 176 transitions. [2023-11-19 07:45:11,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:45:11,748 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2023-11-19 07:45:11,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:11,752 INFO L225 Difference]: With dead ends: 158 [2023-11-19 07:45:11,753 INFO L226 Difference]: Without dead ends: 149 [2023-11-19 07:45:11,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:45:11,754 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 132 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:11,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 121 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:11,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2023-11-19 07:45:11,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2023-11-19 07:45:11,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 106 states have (on average 1.349056603773585) internal successors, (143), 137 states have internal predecessors, (143), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:45:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 163 transitions. [2023-11-19 07:45:11,770 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 163 transitions. Word has length 55 [2023-11-19 07:45:11,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:11,770 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 163 transitions. [2023-11-19 07:45:11,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 07:45:11,771 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2023-11-19 07:45:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 07:45:11,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:11,772 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:11,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:11,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:11,993 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:11,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:11,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1148568188, now seen corresponding path program 1 times [2023-11-19 07:45:11,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:11,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819972500] [2023-11-19 07:45:11,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:11,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:12,005 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:12,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556877863] [2023-11-19 07:45:12,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:12,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:12,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:12,007 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:12,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-19 07:45:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:45:12,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:45:12,142 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:12,241 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 07:45:12,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:12,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819972500] [2023-11-19 07:45:12,242 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:12,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556877863] [2023-11-19 07:45:12,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556877863] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:12,243 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:12,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-19 07:45:12,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818153205] [2023-11-19 07:45:12,244 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:12,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:45:12,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:12,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:45:12,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:12,246 INFO L87 Difference]: Start difference. First operand 149 states and 163 transitions. Second operand has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:45:12,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:12,407 INFO L93 Difference]: Finished difference Result 271 states and 318 transitions. [2023-11-19 07:45:12,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:45:12,408 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2023-11-19 07:45:12,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:12,410 INFO L225 Difference]: With dead ends: 271 [2023-11-19 07:45:12,410 INFO L226 Difference]: Without dead ends: 262 [2023-11-19 07:45:12,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:12,411 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 176 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:12,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 215 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:12,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-11-19 07:45:12,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 140. [2023-11-19 07:45:12,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 128 states have internal predecessors, (130), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 07:45:12,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 150 transitions. [2023-11-19 07:45:12,428 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 150 transitions. Word has length 56 [2023-11-19 07:45:12,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:12,428 INFO L495 AbstractCegarLoop]: Abstraction has 140 states and 150 transitions. [2023-11-19 07:45:12,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.8) internal successors, (84), 6 states have internal predecessors, (84), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-19 07:45:12,429 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 150 transitions. [2023-11-19 07:45:12,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-19 07:45:12,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:12,430 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:12,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:12,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-19 07:45:12,651 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:12,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:12,651 INFO L85 PathProgramCache]: Analyzing trace with hash -105881028, now seen corresponding path program 1 times [2023-11-19 07:45:12,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:12,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243583925] [2023-11-19 07:45:12,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:12,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:12,661 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:12,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [359739067] [2023-11-19 07:45:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:12,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:12,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:12,663 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:12,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-19 07:45:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:12,718 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:45:12,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:12,793 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 07:45:12,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:12,960 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 07:45:12,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:12,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243583925] [2023-11-19 07:45:12,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:12,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [359739067] [2023-11-19 07:45:12,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [359739067] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:12,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:12,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-19 07:45:12,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792537277] [2023-11-19 07:45:12,962 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:12,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:45:12,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:12,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:45:12,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:12,964 INFO L87 Difference]: Start difference. First operand 140 states and 150 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-19 07:45:13,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:13,211 INFO L93 Difference]: Finished difference Result 352 states and 387 transitions. [2023-11-19 07:45:13,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:45:13,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 69 [2023-11-19 07:45:13,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:13,215 INFO L225 Difference]: With dead ends: 352 [2023-11-19 07:45:13,215 INFO L226 Difference]: Without dead ends: 350 [2023-11-19 07:45:13,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:45:13,216 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 260 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:13,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 293 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:45:13,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2023-11-19 07:45:13,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 238. [2023-11-19 07:45:13,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 196 states have (on average 1.2551020408163265) internal successors, (246), 218 states have internal predecessors, (246), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:45:13,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 282 transitions. [2023-11-19 07:45:13,240 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 282 transitions. Word has length 69 [2023-11-19 07:45:13,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:13,241 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 282 transitions. [2023-11-19 07:45:13,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-19 07:45:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 282 transitions. [2023-11-19 07:45:13,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-19 07:45:13,242 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:13,243 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:13,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:13,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-19 07:45:13,464 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:13,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:13,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1823839910, now seen corresponding path program 1 times [2023-11-19 07:45:13,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:13,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194759062] [2023-11-19 07:45:13,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:13,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:13,503 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:13,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189458332] [2023-11-19 07:45:13,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:13,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:13,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:13,509 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:13,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-19 07:45:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:13,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:45:13,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:13,686 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 07:45:13,686 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:13,854 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 07:45:13,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:13,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194759062] [2023-11-19 07:45:13,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:13,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189458332] [2023-11-19 07:45:13,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189458332] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:13,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:13,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-19 07:45:13,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979739764] [2023-11-19 07:45:13,857 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:13,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:45:13,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:13,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:45:13,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:13,859 INFO L87 Difference]: Start difference. First operand 238 states and 282 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-19 07:45:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:14,155 INFO L93 Difference]: Finished difference Result 348 states and 388 transitions. [2023-11-19 07:45:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:45:14,156 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 76 [2023-11-19 07:45:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:14,158 INFO L225 Difference]: With dead ends: 348 [2023-11-19 07:45:14,159 INFO L226 Difference]: Without dead ends: 343 [2023-11-19 07:45:14,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-19 07:45:14,160 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 198 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:14,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 269 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:45:14,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2023-11-19 07:45:14,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 241. [2023-11-19 07:45:14,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 200 states have (on average 1.205) internal successors, (241), 219 states have internal predecessors, (241), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 07:45:14,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 281 transitions. [2023-11-19 07:45:14,185 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 281 transitions. Word has length 76 [2023-11-19 07:45:14,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:14,186 INFO L495 AbstractCegarLoop]: Abstraction has 241 states and 281 transitions. [2023-11-19 07:45:14,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-19 07:45:14,186 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 281 transitions. [2023-11-19 07:45:14,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-19 07:45:14,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:14,187 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:14,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:14,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:14,400 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:14,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:14,401 INFO L85 PathProgramCache]: Analyzing trace with hash 363499112, now seen corresponding path program 1 times [2023-11-19 07:45:14,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:14,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594213024] [2023-11-19 07:45:14,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:14,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:14,412 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:14,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [109130846] [2023-11-19 07:45:14,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:14,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:14,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:14,414 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:14,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-19 07:45:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:14,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:45:14,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:14,648 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 07:45:14,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 07:45:14,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:14,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594213024] [2023-11-19 07:45:14,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:14,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109130846] [2023-11-19 07:45:14,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109130846] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:14,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:14,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-19 07:45:14,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385931951] [2023-11-19 07:45:14,780 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:14,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:45:14,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:14,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:45:14,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:45:14,783 INFO L87 Difference]: Start difference. First operand 241 states and 281 transitions. Second operand has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-19 07:45:15,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:15,047 INFO L93 Difference]: Finished difference Result 302 states and 346 transitions. [2023-11-19 07:45:15,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:45:15,048 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 78 [2023-11-19 07:45:15,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:15,052 INFO L225 Difference]: With dead ends: 302 [2023-11-19 07:45:15,053 INFO L226 Difference]: Without dead ends: 293 [2023-11-19 07:45:15,053 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:45:15,054 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 147 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:15,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 209 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:45:15,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2023-11-19 07:45:15,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 251. [2023-11-19 07:45:15,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 214 states have (on average 1.1214953271028036) internal successors, (240), 227 states have internal predecessors, (240), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:45:15,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 284 transitions. [2023-11-19 07:45:15,082 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 284 transitions. Word has length 78 [2023-11-19 07:45:15,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:15,083 INFO L495 AbstractCegarLoop]: Abstraction has 251 states and 284 transitions. [2023-11-19 07:45:15,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 8 states have internal predecessors, (108), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2023-11-19 07:45:15,083 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 284 transitions. [2023-11-19 07:45:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 07:45:15,084 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:15,085 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:15,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:15,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-19 07:45:15,302 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:15,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:15,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1430298154, now seen corresponding path program 1 times [2023-11-19 07:45:15,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:15,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142128075] [2023-11-19 07:45:15,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:15,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:15,315 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:15,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [600234750] [2023-11-19 07:45:15,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:15,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:15,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:15,317 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:15,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-19 07:45:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:15,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 07:45:15,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:15,620 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 07:45:15,621 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:15,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:15,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142128075] [2023-11-19 07:45:15,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:15,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [600234750] [2023-11-19 07:45:15,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [600234750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:15,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:15,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 07:45:15,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812326692] [2023-11-19 07:45:15,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:15,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 07:45:15,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:15,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 07:45:15,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:15,625 INFO L87 Difference]: Start difference. First operand 251 states and 284 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:45:15,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:15,779 INFO L93 Difference]: Finished difference Result 253 states and 286 transitions. [2023-11-19 07:45:15,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:45:15,780 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2023-11-19 07:45:15,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:15,782 INFO L225 Difference]: With dead ends: 253 [2023-11-19 07:45:15,782 INFO L226 Difference]: Without dead ends: 209 [2023-11-19 07:45:15,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-19 07:45:15,784 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 81 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:15,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 169 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:15,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-11-19 07:45:15,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2023-11-19 07:45:15,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 182 states have (on average 1.0494505494505495) internal successors, (191), 188 states have internal predecessors, (191), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-19 07:45:15,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 227 transitions. [2023-11-19 07:45:15,806 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 227 transitions. Word has length 80 [2023-11-19 07:45:15,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:15,806 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 227 transitions. [2023-11-19 07:45:15,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:45:15,807 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 227 transitions. [2023-11-19 07:45:15,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-19 07:45:15,809 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:15,809 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2023-11-19 07:45:15,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:16,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-19 07:45:16,030 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:16,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:16,031 INFO L85 PathProgramCache]: Analyzing trace with hash -659854547, now seen corresponding path program 1 times [2023-11-19 07:45:16,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:16,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397977165] [2023-11-19 07:45:16,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:16,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:16,046 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:16,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1445577741] [2023-11-19 07:45:16,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:16,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:16,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:16,048 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:16,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-19 07:45:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:45:16,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:45:16,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 07:45:16,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:16,864 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-19 07:45:16,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:16,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397977165] [2023-11-19 07:45:16,864 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:16,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445577741] [2023-11-19 07:45:16,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445577741] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:16,865 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:16,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2023-11-19 07:45:16,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287791986] [2023-11-19 07:45:16,866 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:16,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-19 07:45:16,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:16,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-19 07:45:16,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=108, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:45:16,869 INFO L87 Difference]: Start difference. First operand 209 states and 227 transitions. Second operand has 14 states, 13 states have (on average 15.692307692307692) internal successors, (204), 14 states have internal predecessors, (204), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2023-11-19 07:45:17,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:17,296 INFO L93 Difference]: Finished difference Result 348 states and 378 transitions. [2023-11-19 07:45:17,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-19 07:45:17,297 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.692307692307692) internal successors, (204), 14 states have internal predecessors, (204), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 146 [2023-11-19 07:45:17,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:17,300 INFO L225 Difference]: With dead ends: 348 [2023-11-19 07:45:17,300 INFO L226 Difference]: Without dead ends: 347 [2023-11-19 07:45:17,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=240, Unknown=0, NotChecked=0, Total=420 [2023-11-19 07:45:17,301 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 167 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:17,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 326 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:45:17,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2023-11-19 07:45:17,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 299. [2023-11-19 07:45:17,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 265 states have (on average 1.0641509433962264) internal successors, (282), 271 states have internal predecessors, (282), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2023-11-19 07:45:17,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 332 transitions. [2023-11-19 07:45:17,333 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 332 transitions. Word has length 146 [2023-11-19 07:45:17,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:17,333 INFO L495 AbstractCegarLoop]: Abstraction has 299 states and 332 transitions. [2023-11-19 07:45:17,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.692307692307692) internal successors, (204), 14 states have internal predecessors, (204), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2023-11-19 07:45:17,334 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 332 transitions. [2023-11-19 07:45:17,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 07:45:17,337 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:17,338 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2023-11-19 07:45:17,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:17,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:17,561 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:17,561 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:17,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1615306330, now seen corresponding path program 2 times [2023-11-19 07:45:17,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:17,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723478987] [2023-11-19 07:45:17,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:17,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:17,589 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:17,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1564897593] [2023-11-19 07:45:17,589 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:45:17,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:17,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:17,591 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:17,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-19 07:45:17,681 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:45:17,682 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:45:17,683 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 07:45:17,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 07:45:18,125 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:18,438 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-19 07:45:18,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:18,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723478987] [2023-11-19 07:45:18,439 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:18,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1564897593] [2023-11-19 07:45:18,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1564897593] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:18,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:18,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2023-11-19 07:45:18,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784399447] [2023-11-19 07:45:18,440 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:18,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-19 07:45:18,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:18,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-19 07:45:18,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2023-11-19 07:45:18,443 INFO L87 Difference]: Start difference. First operand 299 states and 332 transitions. Second operand has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 8 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2023-11-19 07:45:18,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:18,952 INFO L93 Difference]: Finished difference Result 383 states and 420 transitions. [2023-11-19 07:45:18,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:45:18,952 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 8 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) Word has length 174 [2023-11-19 07:45:18,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:18,955 INFO L225 Difference]: With dead ends: 383 [2023-11-19 07:45:18,955 INFO L226 Difference]: Without dead ends: 359 [2023-11-19 07:45:18,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=247, Invalid=353, Unknown=0, NotChecked=0, Total=600 [2023-11-19 07:45:18,957 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 340 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:18,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 428 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:45:18,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2023-11-19 07:45:18,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 319. [2023-11-19 07:45:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 283 states have (on average 1.0600706713780919) internal successors, (300), 289 states have internal predecessors, (300), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2023-11-19 07:45:18,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 354 transitions. [2023-11-19 07:45:18,985 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 354 transitions. Word has length 174 [2023-11-19 07:45:18,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:18,986 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 354 transitions. [2023-11-19 07:45:18,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 16.0) internal successors, (240), 16 states have internal predecessors, (240), 8 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 8 states have call predecessors, (22), 8 states have call successors, (22) [2023-11-19 07:45:18,986 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 354 transitions. [2023-11-19 07:45:18,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-19 07:45:18,989 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:18,990 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2023-11-19 07:45:19,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:19,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:19,205 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:19,205 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:19,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1470633713, now seen corresponding path program 2 times [2023-11-19 07:45:19,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:19,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624577878] [2023-11-19 07:45:19,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:19,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:19,228 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:19,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798375965] [2023-11-19 07:45:19,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:45:19,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:19,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:19,230 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:19,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-19 07:45:19,691 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:45:19,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:45:19,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-19 07:45:19,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:20,180 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 07:45:20,181 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-19 07:45:20,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:20,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624577878] [2023-11-19 07:45:20,630 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:20,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798375965] [2023-11-19 07:45:20,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798375965] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:20,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:20,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 14 [2023-11-19 07:45:20,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362910973] [2023-11-19 07:45:20,631 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:20,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 07:45:20,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:20,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 07:45:20,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:45:20,635 INFO L87 Difference]: Start difference. First operand 319 states and 354 transitions. Second operand has 15 states, 14 states have (on average 21.285714285714285) internal successors, (298), 15 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2023-11-19 07:45:21,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:21,620 INFO L93 Difference]: Finished difference Result 512 states and 565 transitions. [2023-11-19 07:45:21,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 07:45:21,621 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 21.285714285714285) internal successors, (298), 15 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 213 [2023-11-19 07:45:21,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:21,625 INFO L225 Difference]: With dead ends: 512 [2023-11-19 07:45:21,625 INFO L226 Difference]: Without dead ends: 510 [2023-11-19 07:45:21,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=128, Invalid=214, Unknown=0, NotChecked=0, Total=342 [2023-11-19 07:45:21,626 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 376 mSDsluCounter, 517 mSDsCounter, 0 mSdLazyCounter, 1204 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 384 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 1253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 1204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:21,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [384 Valid, 628 Invalid, 1253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 1204 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-19 07:45:21,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2023-11-19 07:45:21,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 433. [2023-11-19 07:45:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 388 states have (on average 1.059278350515464) internal successors, (411), 394 states have internal predecessors, (411), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-19 07:45:21,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 483 transitions. [2023-11-19 07:45:21,668 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 483 transitions. Word has length 213 [2023-11-19 07:45:21,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:21,668 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 483 transitions. [2023-11-19 07:45:21,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 21.285714285714285) internal successors, (298), 15 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2023-11-19 07:45:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 483 transitions. [2023-11-19 07:45:21,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-19 07:45:21,672 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:21,672 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2023-11-19 07:45:21,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:21,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:21,894 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:21,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:21,895 INFO L85 PathProgramCache]: Analyzing trace with hash -2136990639, now seen corresponding path program 2 times [2023-11-19 07:45:21,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:21,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482211777] [2023-11-19 07:45:21,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:21,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:21,912 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:21,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1359644489] [2023-11-19 07:45:21,913 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:45:21,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:21,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:21,914 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:21,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-19 07:45:22,455 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:45:22,455 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:45:22,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:45:22,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 07:45:22,703 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-11-19 07:45:23,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:23,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482211777] [2023-11-19 07:45:23,187 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:23,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1359644489] [2023-11-19 07:45:23,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1359644489] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:23,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:23,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-19 07:45:23,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978176356] [2023-11-19 07:45:23,188 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:23,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-19 07:45:23,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:23,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-19 07:45:23,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-19 07:45:23,192 INFO L87 Difference]: Start difference. First operand 433 states and 483 transitions. Second operand has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2023-11-19 07:45:23,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:23,843 INFO L93 Difference]: Finished difference Result 508 states and 563 transitions. [2023-11-19 07:45:23,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:45:23,845 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 220 [2023-11-19 07:45:23,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:23,848 INFO L225 Difference]: With dead ends: 508 [2023-11-19 07:45:23,848 INFO L226 Difference]: Without dead ends: 464 [2023-11-19 07:45:23,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2023-11-19 07:45:23,850 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 389 mSDsluCounter, 763 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 915 SdHoareTripleChecker+Invalid, 587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:23,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 915 Invalid, 587 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-19 07:45:23,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2023-11-19 07:45:23,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 425. [2023-11-19 07:45:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 380 states have (on average 1.0394736842105263) internal successors, (395), 386 states have internal predecessors, (395), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-19 07:45:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 467 transitions. [2023-11-19 07:45:23,890 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 467 transitions. Word has length 220 [2023-11-19 07:45:23,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:23,891 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 467 transitions. [2023-11-19 07:45:23,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2023-11-19 07:45:23,891 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 467 transitions. [2023-11-19 07:45:23,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2023-11-19 07:45:23,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:23,897 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2023-11-19 07:45:23,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:24,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-19 07:45:24,105 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:24,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:24,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1242628369, now seen corresponding path program 2 times [2023-11-19 07:45:24,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:24,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471594981] [2023-11-19 07:45:24,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:24,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:24,134 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:24,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1420318645] [2023-11-19 07:45:24,134 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-19 07:45:24,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:24,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:24,136 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:24,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-19 07:45:24,265 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-19 07:45:24,265 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:45:24,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:45:24,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:24,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2023-11-19 07:45:24,650 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:25,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2023-11-19 07:45:25,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:25,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471594981] [2023-11-19 07:45:25,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:25,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420318645] [2023-11-19 07:45:25,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420318645] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:45:25,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:45:25,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-19 07:45:25,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705391517] [2023-11-19 07:45:25,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:25,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 07:45:25,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:25,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:45:25,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-19 07:45:25,011 INFO L87 Difference]: Start difference. First operand 425 states and 467 transitions. Second operand has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-19 07:45:25,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:25,145 INFO L93 Difference]: Finished difference Result 425 states and 467 transitions. [2023-11-19 07:45:25,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-19 07:45:25,146 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 338 [2023-11-19 07:45:25,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:25,151 INFO L225 Difference]: With dead ends: 425 [2023-11-19 07:45:25,151 INFO L226 Difference]: Without dead ends: 424 [2023-11-19 07:45:25,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 678 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:45:25,152 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 193 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:25,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 137 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 07:45:25,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2023-11-19 07:45:25,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 424. [2023-11-19 07:45:25,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 380 states have (on average 1.0289473684210526) internal successors, (391), 385 states have internal predecessors, (391), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-19 07:45:25,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 463 transitions. [2023-11-19 07:45:25,194 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 463 transitions. Word has length 338 [2023-11-19 07:45:25,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:25,195 INFO L495 AbstractCegarLoop]: Abstraction has 424 states and 463 transitions. [2023-11-19 07:45:25,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.666666666666666) internal successors, (96), 10 states have internal predecessors, (96), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-19 07:45:25,195 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 463 transitions. [2023-11-19 07:45:25,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2023-11-19 07:45:25,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:25,203 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2023-11-19 07:45:25,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:25,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-19 07:45:25,418 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:25,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:25,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1017956802, now seen corresponding path program 3 times [2023-11-19 07:45:25,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:25,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836379810] [2023-11-19 07:45:25,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:25,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:25,450 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:25,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548343108] [2023-11-19 07:45:25,450 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 07:45:25,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:25,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:25,452 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:25,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-19 07:45:25,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-19 07:45:25,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:45:25,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:45:25,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:26,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 126 proven. 176 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2023-11-19 07:45:26,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:26,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:26,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836379810] [2023-11-19 07:45:26,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:26,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548343108] [2023-11-19 07:45:26,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548343108] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:45:26,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:45:26,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-19 07:45:26,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094462089] [2023-11-19 07:45:26,675 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:26,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:45:26,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:26,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:45:26,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:45:26,677 INFO L87 Difference]: Start difference. First operand 424 states and 463 transitions. Second operand has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-19 07:45:27,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:27,191 INFO L93 Difference]: Finished difference Result 424 states and 463 transitions. [2023-11-19 07:45:27,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:45:27,192 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 366 [2023-11-19 07:45:27,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:27,195 INFO L225 Difference]: With dead ends: 424 [2023-11-19 07:45:27,195 INFO L226 Difference]: Without dead ends: 406 [2023-11-19 07:45:27,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 388 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=93, Invalid=287, Unknown=0, NotChecked=0, Total=380 [2023-11-19 07:45:27,197 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 201 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:27,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 111 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 07:45:27,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-11-19 07:45:27,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2023-11-19 07:45:27,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 366 states have (on average 1.010928961748634) internal successors, (370), 369 states have internal predecessors, (370), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:45:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 438 transitions. [2023-11-19 07:45:27,258 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 438 transitions. Word has length 366 [2023-11-19 07:45:27,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:27,262 INFO L495 AbstractCegarLoop]: Abstraction has 406 states and 438 transitions. [2023-11-19 07:45:27,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.25) internal successors, (66), 9 states have internal predecessors, (66), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-19 07:45:27,263 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 438 transitions. [2023-11-19 07:45:27,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2023-11-19 07:45:27,273 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:27,273 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2023-11-19 07:45:27,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:27,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-19 07:45:27,495 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:27,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:27,495 INFO L85 PathProgramCache]: Analyzing trace with hash 971010651, now seen corresponding path program 3 times [2023-11-19 07:45:27,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:27,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065377366] [2023-11-19 07:45:27,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:27,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:27,535 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:27,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1048686206] [2023-11-19 07:45:27,535 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 07:45:27,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:27,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:27,537 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:27,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-19 07:45:28,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-11-19 07:45:28,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:45:28,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:45:28,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:28,563 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2023-11-19 07:45:28,563 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:45:28,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:28,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065377366] [2023-11-19 07:45:28,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:28,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1048686206] [2023-11-19 07:45:28,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1048686206] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:45:28,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:45:28,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-19 07:45:28,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140404673] [2023-11-19 07:45:28,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:45:28,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-19 07:45:28,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:28,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-19 07:45:28,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-19 07:45:28,568 INFO L87 Difference]: Start difference. First operand 406 states and 438 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:45:29,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:29,137 INFO L93 Difference]: Finished difference Result 408 states and 440 transitions. [2023-11-19 07:45:29,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 07:45:29,138 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 501 [2023-11-19 07:45:29,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:29,141 INFO L225 Difference]: With dead ends: 408 [2023-11-19 07:45:29,142 INFO L226 Difference]: Without dead ends: 406 [2023-11-19 07:45:29,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-19 07:45:29,143 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 119 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:29,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 86 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-19 07:45:29,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2023-11-19 07:45:29,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 404. [2023-11-19 07:45:29,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 366 states have (on average 1.005464480874317) internal successors, (368), 367 states have internal predecessors, (368), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2023-11-19 07:45:29,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 436 transitions. [2023-11-19 07:45:29,218 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 436 transitions. Word has length 501 [2023-11-19 07:45:29,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:29,219 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 436 transitions. [2023-11-19 07:45:29,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-19 07:45:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 436 transitions. [2023-11-19 07:45:29,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2023-11-19 07:45:29,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:45:29,234 INFO L195 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2023-11-19 07:45:29,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2023-11-19 07:45:29,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-19 07:45:29,456 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2023-11-19 07:45:29,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:45:29,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1033368999, now seen corresponding path program 3 times [2023-11-19 07:45:29,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:45:29,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530523149] [2023-11-19 07:45:29,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:45:29,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:45:29,492 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:45:29,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1101161787] [2023-11-19 07:45:29,492 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-19 07:45:29,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:45:29,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:45:29,494 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:45:29,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-19 07:45:29,934 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-19 07:45:29,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:45:29,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 07:45:29,943 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:45:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 180 proven. 234 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2023-11-19 07:45:30,530 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:45:36,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:45:36,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530523149] [2023-11-19 07:45:36,663 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:45:36,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101161787] [2023-11-19 07:45:36,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101161787] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:45:36,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-19 07:45:36,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-19 07:45:36,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324545854] [2023-11-19 07:45:36,664 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-19 07:45:36,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:45:36,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:45:36,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:45:36,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:45:36,666 INFO L87 Difference]: Start difference. First operand 404 states and 436 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-19 07:45:37,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:45:37,496 INFO L93 Difference]: Finished difference Result 406 states and 438 transitions. [2023-11-19 07:45:37,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-19 07:45:37,496 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 508 [2023-11-19 07:45:37,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:45:37,498 INFO L225 Difference]: With dead ends: 406 [2023-11-19 07:45:37,498 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 07:45:37,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 528 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2023-11-19 07:45:37,499 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 134 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:45:37,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 105 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 07:45:37,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 07:45:37,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 07:45:37,501 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) [2023-11-19 07:45:37,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 07:45:37,501 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 508 [2023-11-19 07:45:37,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:45:37,501 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:45:37,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-19 07:45:37,502 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:45:37,502 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 07:45:37,504 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2023-11-19 07:45:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2023-11-19 07:45:37,505 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2023-11-19 07:45:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2023-11-19 07:45:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2023-11-19 07:45:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2023-11-19 07:45:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2023-11-19 07:45:37,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2023-11-19 07:45:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2023-11-19 07:45:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2023-11-19 07:45:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2023-11-19 07:45:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2023-11-19 07:45:37,507 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2023-11-19 07:45:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2023-11-19 07:45:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2023-11-19 07:45:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2023-11-19 07:45:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2023-11-19 07:45:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2023-11-19 07:45:37,508 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2023-11-19 07:45:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2023-11-19 07:45:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2023-11-19 07:45:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2023-11-19 07:45:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2023-11-19 07:45:37,509 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2023-11-19 07:45:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2023-11-19 07:45:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2023-11-19 07:45:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2023-11-19 07:45:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2023-11-19 07:45:37,510 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2023-11-19 07:45:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2023-11-19 07:45:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2023-11-19 07:45:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2023-11-19 07:45:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2023-11-19 07:45:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2023-11-19 07:45:37,511 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2023-11-19 07:45:37,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2023-11-19 07:45:37,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2023-11-19 07:45:37,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2023-11-19 07:45:37,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2023-11-19 07:45:37,512 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2023-11-19 07:45:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2023-11-19 07:45:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2023-11-19 07:45:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2023-11-19 07:45:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2023-11-19 07:45:37,513 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2023-11-19 07:45:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2023-11-19 07:45:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2023-11-19 07:45:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2023-11-19 07:45:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2023-11-19 07:45:37,514 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2023-11-19 07:45:37,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2023-11-19 07:45:37,515 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2023-11-19 07:45:37,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-11-19 07:45:37,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-19 07:45:37,722 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 07:45:45,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-19 07:45:45,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-19 07:45:45,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,284 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-19 07:45:45,284 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-19 07:45:45,284 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-19 07:45:45,284 INFO L899 garLoopResultBuilder]: For program point L44-2(line 44) no Hoare annotation was computed. [2023-11-19 07:45:45,285 INFO L895 garLoopResultBuilder]: At program point L44-3(line 44) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_main_~s~0#1|)) (.cse1 (<= 0 (+ ~counter~0 2147483648))) (.cse5 (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|)) (.cse2 (<= 3 |ULTIMATE.start_main_~t~0#1|)) (.cse3 (<= 1 |ULTIMATE.start_main_~a~0#1|)) (.cse4 (<= |ULTIMATE.start_main_~a~0#1| 4611686018427387903))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~n~0#1| 2147483647) .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~s~0#1| (+ 2147483647 |ULTIMATE.start_main_~t~0#1|)) (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ .cse5 (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (and (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1)) (and .cse0 .cse1 (<= .cse5 9223372036854775807) (<= (+ |ULTIMATE.start_main_~t~0#1| 1) |ULTIMATE.start_main_~s~0#1|) .cse2 .cse3 .cse4 (<= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) (* 2 |ULTIMATE.start_main_~a~0#1|)) 9223372036854775806) (<= |ULTIMATE.start_main_~s~0#1| 2305843009213693951)))) [2023-11-19 07:45:45,285 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 21 49) no Hoare annotation was computed. [2023-11-19 07:45:45,285 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,285 INFO L899 garLoopResultBuilder]: For program point L44-4(line 44) no Hoare annotation was computed. [2023-11-19 07:45:45,285 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,285 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2023-11-19 07:45:45,285 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-19 07:45:45,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-19 07:45:45,286 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,286 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,287 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,287 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,287 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,287 INFO L899 garLoopResultBuilder]: For program point L45-4(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,287 INFO L895 garLoopResultBuilder]: At program point L45-5(line 45) the Hoare annotation is: (or (and (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~s~0#1| 1)) (and (<= 0 (+ ~counter~0 2147483648)) (<= (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) 9223372036854775807) (<= (+ |ULTIMATE.start_main_~t~0#1| 1) |ULTIMATE.start_main_~s~0#1|) (<= 3 |ULTIMATE.start_main_~t~0#1|) (<= 1 |ULTIMATE.start_main_~a~0#1|) (<= (+ (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~a~0#1|) (* 2 |ULTIMATE.start_main_~a~0#1|)) 9223372036854775806) (<= |ULTIMATE.start_main_~s~0#1| 2305843009213693951))) [2023-11-19 07:45:45,287 INFO L899 garLoopResultBuilder]: For program point L45-6(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2023-11-19 07:45:45,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-19 07:45:45,288 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,288 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,289 INFO L899 garLoopResultBuilder]: For program point L46-1(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,289 INFO L899 garLoopResultBuilder]: For program point L46-2(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,289 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,289 INFO L899 garLoopResultBuilder]: For program point L46-3(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,289 INFO L899 garLoopResultBuilder]: For program point L46-4(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,289 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 07:45:45,290 INFO L899 garLoopResultBuilder]: For program point L46-5(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,290 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,290 INFO L899 garLoopResultBuilder]: For program point L46-6(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,290 INFO L899 garLoopResultBuilder]: For program point L46-7(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,290 INFO L899 garLoopResultBuilder]: For program point L46-8(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,290 INFO L899 garLoopResultBuilder]: For program point L46-9(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,290 INFO L899 garLoopResultBuilder]: For program point L46-10(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,291 INFO L902 garLoopResultBuilder]: At program point L46-11(line 46) the Hoare annotation is: true [2023-11-19 07:45:45,291 INFO L899 garLoopResultBuilder]: For program point L46-12(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,291 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,291 INFO L899 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2023-11-19 07:45:45,291 INFO L899 garLoopResultBuilder]: For program point L30-2(line 30) no Hoare annotation was computed. [2023-11-19 07:45:45,291 INFO L899 garLoopResultBuilder]: For program point L30-3(lines 30 42) no Hoare annotation was computed. [2023-11-19 07:45:45,292 INFO L895 garLoopResultBuilder]: At program point L30-5(lines 30 42) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~n~0#1| 2147483647))) (or (and (<= 0 (+ ~counter~0 2147483648)) .cse0 (<= ~counter~0 10) (<= 3 |ULTIMATE.start_main_~t~0#1|) (<= 1 |ULTIMATE.start_main_~a~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 4611686018427387903) (<= |ULTIMATE.start_main_~s~0#1| (+ 2147483647 |ULTIMATE.start_main_~t~0#1|)) (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (and .cse0 (= |ULTIMATE.start_main_~t~0#1| 1) (= ~counter~0 0) (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1)))) [2023-11-19 07:45:45,292 INFO L899 garLoopResultBuilder]: For program point L30-6(lines 30 42) no Hoare annotation was computed. [2023-11-19 07:45:45,292 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,292 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-19 07:45:45,292 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,293 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,293 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2023-11-19 07:45:45,293 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2023-11-19 07:45:45,293 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,293 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2023-11-19 07:45:45,293 INFO L899 garLoopResultBuilder]: For program point L31-1(line 31) no Hoare annotation was computed. [2023-11-19 07:45:45,293 INFO L899 garLoopResultBuilder]: For program point L31-2(line 31) no Hoare annotation was computed. [2023-11-19 07:45:45,294 INFO L899 garLoopResultBuilder]: For program point L31-3(line 31) no Hoare annotation was computed. [2023-11-19 07:45:45,294 INFO L895 garLoopResultBuilder]: At program point L31-4(line 31) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~counter~0 2147483648))) (.cse1 (<= |ULTIMATE.start_main_~n~0#1| 2147483647)) (.cse2 (<= ~counter~0 10))) (or (and .cse0 .cse1 .cse2 (<= 3 |ULTIMATE.start_main_~t~0#1|) (<= 1 |ULTIMATE.start_main_~a~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 4611686018427387903) (<= |ULTIMATE.start_main_~s~0#1| (+ 2147483647 |ULTIMATE.start_main_~t~0#1|)) (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1)))) [2023-11-19 07:45:45,294 INFO L899 garLoopResultBuilder]: For program point L31-5(line 31) no Hoare annotation was computed. [2023-11-19 07:45:45,294 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,294 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-19 07:45:45,295 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,295 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,295 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-11-19 07:45:45,295 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2023-11-19 07:45:45,295 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,295 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-19 07:45:45,295 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,296 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,296 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-19 07:45:45,296 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,296 INFO L899 garLoopResultBuilder]: For program point L32-4(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,296 INFO L895 garLoopResultBuilder]: At program point L32-5(line 32) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~counter~0 2147483648))) (.cse1 (<= |ULTIMATE.start_main_~n~0#1| 2147483647)) (.cse2 (<= ~counter~0 10))) (or (let ((.cse3 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse3)) (<= 3 |ULTIMATE.start_main_~t~0#1|) (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1)) (<= |ULTIMATE.start_main_~s~0#1| (+ 2147483648 .cse3)))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1)))) [2023-11-19 07:45:45,296 INFO L899 garLoopResultBuilder]: For program point L32-6(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,297 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-19 07:45:45,297 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,297 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,297 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-19 07:45:45,297 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2023-11-19 07:45:45,297 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,298 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2023-11-19 07:45:45,298 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,298 INFO L899 garLoopResultBuilder]: For program point L33(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,298 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 07:45:45,298 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,298 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,299 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,299 INFO L899 garLoopResultBuilder]: For program point L33-3(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,299 INFO L899 garLoopResultBuilder]: For program point L33-4(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,299 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-19 07:45:45,299 INFO L899 garLoopResultBuilder]: For program point L33-5(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,299 INFO L899 garLoopResultBuilder]: For program point L33-6(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,299 INFO L899 garLoopResultBuilder]: For program point L33-7(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,300 INFO L899 garLoopResultBuilder]: For program point L33-8(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,300 INFO L899 garLoopResultBuilder]: For program point L33-9(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,300 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2023-11-19 07:45:45,300 INFO L899 garLoopResultBuilder]: For program point L33-10(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,300 INFO L895 garLoopResultBuilder]: At program point L33-11(line 33) the Hoare annotation is: (let ((.cse0 (<= 0 (+ ~counter~0 2147483648))) (.cse1 (<= |ULTIMATE.start_main_~n~0#1| 2147483647)) (.cse2 (<= ~counter~0 10))) (or (let ((.cse3 (* 2 |ULTIMATE.start_main_~a~0#1|))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~t~0#1| (+ 1 .cse3)) (<= 3 |ULTIMATE.start_main_~t~0#1|) (= (* |ULTIMATE.start_main_~s~0#1| 4) (+ (* |ULTIMATE.start_main_~t~0#1| |ULTIMATE.start_main_~t~0#1|) (* 2 |ULTIMATE.start_main_~t~0#1|) 1)) (<= |ULTIMATE.start_main_~s~0#1| (+ 2147483648 .cse3)))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~t~0#1| 1) (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~s~0#1| 1)))) [2023-11-19 07:45:45,301 INFO L899 garLoopResultBuilder]: For program point L33-12(lines 30 42) no Hoare annotation was computed. [2023-11-19 07:45:45,301 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,301 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,301 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,301 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,301 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2023-11-19 07:45:45,302 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,302 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-19 07:45:45,302 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-19 07:45:45,302 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-19 07:45:45,302 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2023-11-19 07:45:45,302 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2023-11-19 07:45:45,303 INFO L899 garLoopResultBuilder]: For program point L13(lines 13 14) no Hoare annotation was computed. [2023-11-19 07:45:45,303 INFO L899 garLoopResultBuilder]: For program point L12(lines 12 15) no Hoare annotation was computed. [2023-11-19 07:45:45,303 INFO L899 garLoopResultBuilder]: For program point L12-2(lines 11 17) no Hoare annotation was computed. [2023-11-19 07:45:45,303 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 11 17) no Hoare annotation was computed. [2023-11-19 07:45:45,303 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2023-11-19 07:45:45,303 INFO L899 garLoopResultBuilder]: For program point L5(line 5) no Hoare annotation was computed. [2023-11-19 07:45:45,307 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:45:45,310 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:45:45,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:45:45 BoogieIcfgContainer [2023-11-19 07:45:45,324 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:45:45,325 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:45:45,325 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:45:45,325 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:45:45,326 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:45:05" (3/4) ... [2023-11-19 07:45:45,329 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 07:45:45,334 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-19 07:45:45,340 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 07:45:45,341 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 07:45:45,341 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 07:45:45,342 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 07:45:45,444 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml [2023-11-19 07:45:45,445 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/witness.yml [2023-11-19 07:45:45,445 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:45:45,446 INFO L158 Benchmark]: Toolchain (without parser) took 41214.03ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 94.0MB in the beginning and 151.0MB in the end (delta: -57.1MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-19 07:45:45,446 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:45:45,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.33ms. Allocated memory is still 132.1MB. Free memory was 94.0MB in the beginning and 83.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:45:45,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.89ms. Allocated memory is still 132.1MB. Free memory was 83.3MB in the beginning and 81.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:45:45,447 INFO L158 Benchmark]: Boogie Preprocessor took 57.32ms. Allocated memory is still 132.1MB. Free memory was 81.4MB in the beginning and 80.5MB in the end (delta: 838.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:45:45,448 INFO L158 Benchmark]: RCFGBuilder took 610.52ms. Allocated memory is still 132.1MB. Free memory was 80.1MB in the beginning and 63.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:45:45,448 INFO L158 Benchmark]: TraceAbstraction took 40078.31ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 62.5MB in the beginning and 156.3MB in the end (delta: -93.7MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. [2023-11-19 07:45:45,448 INFO L158 Benchmark]: Witness Printer took 120.14ms. Allocated memory is still 201.3MB. Free memory was 156.3MB in the beginning and 151.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:45:45,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.33ms. Allocated memory is still 132.1MB. Free memory was 94.0MB in the beginning and 83.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.89ms. Allocated memory is still 132.1MB. Free memory was 83.3MB in the beginning and 81.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.32ms. Allocated memory is still 132.1MB. Free memory was 81.4MB in the beginning and 80.5MB in the end (delta: 838.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.52ms. Allocated memory is still 132.1MB. Free memory was 80.1MB in the beginning and 63.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 40078.31ms. Allocated memory was 132.1MB in the beginning and 201.3MB in the end (delta: 69.2MB). Free memory was 62.5MB in the beginning and 156.3MB in the end (delta: -93.7MB). Peak memory consumption was 83.8MB. Max. memory is 16.1GB. * Witness Printer took 120.14ms. Allocated memory is still 201.3MB. Free memory was 156.3MB in the beginning and 151.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: 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: 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: 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: 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: 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: 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: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 40.0s, OverallIterations: 26, TraceHistogramMax: 32, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 7.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3661 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3577 mSDsluCounter, 6796 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4539 mSDsCounter, 453 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4547 IncrementalHoareTripleChecker+Invalid, 5000 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 453 mSolverCounterUnsat, 2257 mSDtfsCounter, 4547 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4707 GetRequests, 4523 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=433occurred in iteration=21, InterpolantAutomatonStates: 168, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 26 MinimizatonAttempts, 703 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 66 PreInvPairs, 128 NumberOfFragments, 374 HoareAnnotationTreeSize, 66 FomulaSimplifications, 22003 FormulaSimplificationTreeSizeReduction, 3.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 17648 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 14.7s InterpolantComputationTime, 3254 NumberOfCodeBlocks, 2055 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 4589 ConstructedInterpolants, 4 QuantifiedInterpolants, 17178 SizeOfPredicates, 22 NumberOfNonLiveVariables, 3567 ConjunctsInSsa, 151 ConjunctsInUnsatCore, 35 InterpolantComputations, 15 PerfectInterpolantSequences, 14460/16776 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 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((0 <= (counter + 2147483648)) && (n <= 2147483647)) && (counter <= 10)) && (3 <= t)) && (1 <= a)) && (a <= 4611686018427387903)) && (s <= (2147483647 + t))) && ((s * 4) == (((t * t) + (2 * t)) + 1))) || (((((n <= 2147483647) && (t == 1)) && (counter == 0)) && (a == 0)) && (s == 1))) RESULT: Ultimate proved your program to be correct! [2023-11-19 07:45:45,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0c163b0c-6ef4-4f5c-81cd-822e2ae85b46/bin/uautomizer-verify-uCwYo4JHxu/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