./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd --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 c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:51:14,809 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:51:14,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 14:51:14,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:51:14,910 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:51:14,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:51:14,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:51:14,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:51:14,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:51:14,944 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:51:14,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:51:14,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:51:14,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:51:14,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:51:14,945 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:51:14,945 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:51:14,945 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:51:14,945 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 14:51:14,946 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:51:14,946 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 14:51:14,946 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:51:14,946 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:51:14,946 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:51:14,946 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:51:14,946 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:51:14,946 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 14:51:14,947 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 14:51:14,947 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 14:51:14,947 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:51:14,947 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:51:14,947 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:51:14,947 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:51:14,947 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:51:14,948 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:51:14,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:51:14,948 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:51:14,948 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:51:14,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:51:14,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:51:14,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:51:14,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:51:14,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:51:14,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:51:14,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:51:14,949 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd 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 -> c8cdca66dc863bfa94d37a0903946c6b89240a08b13e8fd34226289180db2a40 [2024-11-13 14:51:15,311 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:51:15,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:51:15,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:51:15,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:51:15,331 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:51:15,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c Unable to find full path for "g++" [2024-11-13 14:51:17,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:51:17,743 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:51:17,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound10.c [2024-11-13 14:51:17,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/data/d5e164dde/bdc064d89abd467db1519dc6515e218a/FLAG2b3d3a8cf [2024-11-13 14:51:17,997 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/data/d5e164dde/bdc064d89abd467db1519dc6515e218a [2024-11-13 14:51:18,000 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:51:18,002 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:51:18,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:51:18,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:51:18,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:51:18,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:51:17" (1/1) ... [2024-11-13 14:51:18,010 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@505cd523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18, skipping insertion in model container [2024-11-13 14:51:18,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:51:17" (1/1) ... [2024-11-13 14:51:18,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:51:18,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:51:18,246 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:51:18,268 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:51:18,284 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:51:18,285 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18 WrapperNode [2024-11-13 14:51:18,285 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:51:18,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:51:18,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:51:18,287 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:51:18,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,341 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2024-11-13 14:51:18,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:51:18,344 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:51:18,344 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:51:18,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:51:18,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,356 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,368 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 14:51:18,368 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,368 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,372 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:51:18,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:51:18,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:51:18,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:51:18,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (1/1) ... [2024-11-13 14:51:18,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:51:18,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:18,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:51:18,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:51:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:51:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:51:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:51:18,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:51:18,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 14:51:18,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 14:51:18,529 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:51:18,532 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:51:18,992 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2024-11-13 14:51:18,993 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:51:19,004 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:51:19,005 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 14:51:19,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:51:19 BoogieIcfgContainer [2024-11-13 14:51:19,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:51:19,009 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:51:19,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:51:19,014 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:51:19,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:51:17" (1/3) ... [2024-11-13 14:51:19,015 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24604364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:51:19, skipping insertion in model container [2024-11-13 14:51:19,015 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:51:18" (2/3) ... [2024-11-13 14:51:19,016 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24604364 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:51:19, skipping insertion in model container [2024-11-13 14:51:19,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:51:19" (3/3) ... [2024-11-13 14:51:19,018 INFO L112 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound10.c [2024-11-13 14:51:19,033 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:51:19,034 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG hard-ll_unwindbound10.c that has 2 procedures, 84 locations, 1 initial locations, 2 loop locations, and 28 error locations. [2024-11-13 14:51:19,091 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:51:19,110 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6dc6d4c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:51:19,110 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-13 14:51:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 14:51:19,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 14:51:19,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:19,122 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 14:51:19,122 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:19,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:19,128 INFO L85 PathProgramCache]: Analyzing trace with hash 889508744, now seen corresponding path program 1 times [2024-11-13 14:51:19,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:19,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286135774] [2024-11-13 14:51:19,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:19,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:19,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:51:19,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:19,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286135774] [2024-11-13 14:51:19,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286135774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:19,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:19,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:51:19,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672609374] [2024-11-13 14:51:19,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:19,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 14:51:19,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:19,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 14:51:19,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 14:51:19,303 INFO L87 Difference]: Start difference. First operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:51:19,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:19,341 INFO L93 Difference]: Finished difference Result 164 states and 198 transitions. [2024-11-13 14:51:19,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 14:51:19,344 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-13 14:51:19,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:19,351 INFO L225 Difference]: With dead ends: 164 [2024-11-13 14:51:19,352 INFO L226 Difference]: Without dead ends: 76 [2024-11-13 14:51:19,355 INFO L431 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 [2024-11-13 14:51:19,359 INFO L432 NwaCegarLoop]: 93 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, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:19,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:51:19,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-13 14:51:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-13 14:51:19,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 69 states have internal predecessors, (74), 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) [2024-11-13 14:51:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2024-11-13 14:51:19,405 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 6 [2024-11-13 14:51:19,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:19,405 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2024-11-13 14:51:19,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:51:19,406 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2024-11-13 14:51:19,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 14:51:19,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:19,409 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 14:51:19,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:51:19,410 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:19,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:19,411 INFO L85 PathProgramCache]: Analyzing trace with hash 889568326, now seen corresponding path program 1 times [2024-11-13 14:51:19,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:19,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210755771] [2024-11-13 14:51:19,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:19,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:19,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:19,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:51:19,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:19,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210755771] [2024-11-13 14:51:19,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210755771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:19,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:19,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:51:19,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280850409] [2024-11-13 14:51:19,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:19,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:51:19,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:19,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:51:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:51:19,543 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:51:19,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:19,635 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2024-11-13 14:51:19,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:51:19,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-13 14:51:19,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:19,637 INFO L225 Difference]: With dead ends: 85 [2024-11-13 14:51:19,637 INFO L226 Difference]: Without dead ends: 84 [2024-11-13 14:51:19,638 INFO L431 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 [2024-11-13 14:51:19,639 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 34 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:19,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:51:19,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-13 14:51:19,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2024-11-13 14:51:19,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 71 states have internal predecessors, (76), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 14:51:19,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2024-11-13 14:51:19,654 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 6 [2024-11-13 14:51:19,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:19,654 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2024-11-13 14:51:19,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 14:51:19,655 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-13 14:51:19,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 14:51:19,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:19,656 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:19,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 14:51:19,656 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:19,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:19,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1806814377, now seen corresponding path program 1 times [2024-11-13 14:51:19,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:19,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510359765] [2024-11-13 14:51:19,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:19,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:19,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 14:51:19,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:19,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510359765] [2024-11-13 14:51:19,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510359765] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:19,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:19,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:51:19,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281433714] [2024-11-13 14:51:19,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:19,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:51:19,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:19,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:51:19,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:51:19,752 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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) [2024-11-13 14:51:19,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:19,827 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2024-11-13 14:51:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:51:19,828 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 [2024-11-13 14:51:19,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:19,829 INFO L225 Difference]: With dead ends: 134 [2024-11-13 14:51:19,829 INFO L226 Difference]: Without dead ends: 83 [2024-11-13 14:51:19,833 INFO L431 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 [2024-11-13 14:51:19,834 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:19,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 229 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:51:19,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-11-13 14:51:19,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-11-13 14:51:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.6326530612244898) internal successors, (80), 75 states have internal predecessors, (80), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 14:51:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2024-11-13 14:51:19,850 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 7 [2024-11-13 14:51:19,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:19,851 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2024-11-13 14:51:19,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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) [2024-11-13 14:51:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2024-11-13 14:51:19,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 14:51:19,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:19,852 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:19,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 14:51:19,852 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:19,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:19,853 INFO L85 PathProgramCache]: Analyzing trace with hash 2111680137, now seen corresponding path program 1 times [2024-11-13 14:51:19,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:19,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273240773] [2024-11-13 14:51:19,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:19,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:19,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [983052140] [2024-11-13 14:51:19,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:19,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:19,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:19,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:19,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:51:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:19,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:51:19,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:20,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 14:51:20,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:51:20,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:20,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273240773] [2024-11-13 14:51:20,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:20,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983052140] [2024-11-13 14:51:20,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983052140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:20,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:20,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:51:20,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780489290] [2024-11-13 14:51:20,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:20,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:51:20,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:20,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:51:20,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:51:20,049 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-13 14:51:20,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:20,170 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2024-11-13 14:51:20,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:51:20,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 19 [2024-11-13 14:51:20,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:20,172 INFO L225 Difference]: With dead ends: 176 [2024-11-13 14:51:20,172 INFO L226 Difference]: Without dead ends: 122 [2024-11-13 14:51:20,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:51:20,173 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 33 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:20,174 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 135 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:51:20,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-13 14:51:20,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2024-11-13 14:51:20,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 93 states have internal predecessors, (108), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:51:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2024-11-13 14:51:20,194 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 19 [2024-11-13 14:51:20,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:20,195 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2024-11-13 14:51:20,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-13 14:51:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2024-11-13 14:51:20,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 14:51:20,196 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:20,196 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:20,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-13 14:51:20,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:20,399 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:20,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:20,399 INFO L85 PathProgramCache]: Analyzing trace with hash 832196386, now seen corresponding path program 1 times [2024-11-13 14:51:20,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:20,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030430457] [2024-11-13 14:51:20,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:20,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:20,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:20,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 14:51:20,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:20,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030430457] [2024-11-13 14:51:20,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030430457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:20,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:20,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:51:20,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684741810] [2024-11-13 14:51:20,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:20,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:51:20,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:20,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:51:20,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:51:20,631 INFO L87 Difference]: Start difference. First operand 106 states and 128 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-13 14:51:20,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:20,744 INFO L93 Difference]: Finished difference Result 106 states and 128 transitions. [2024-11-13 14:51:20,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:51:20,745 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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 27 [2024-11-13 14:51:20,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:20,746 INFO L225 Difference]: With dead ends: 106 [2024-11-13 14:51:20,746 INFO L226 Difference]: Without dead ends: 104 [2024-11-13 14:51:20,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:51:20,747 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 47 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:20,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 70 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:51:20,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-13 14:51:20,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-13 14:51:20,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 91 states have internal predecessors, (105), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:51:20,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2024-11-13 14:51:20,758 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 27 [2024-11-13 14:51:20,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:20,758 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions. [2024-11-13 14:51:20,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 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) [2024-11-13 14:51:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2024-11-13 14:51:20,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 14:51:20,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:20,759 INFO L215 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] [2024-11-13 14:51:20,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 14:51:20,759 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:20,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:20,759 INFO L85 PathProgramCache]: Analyzing trace with hash 28282720, now seen corresponding path program 1 times [2024-11-13 14:51:20,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:20,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824035985] [2024-11-13 14:51:20,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:20,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:20,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:20,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:20,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:20,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 14:51:20,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:20,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824035985] [2024-11-13 14:51:20,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824035985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:20,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:20,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:51:20,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707788223] [2024-11-13 14:51:20,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:20,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:51:20,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:20,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:51:20,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:51:20,966 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-13 14:51:21,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:21,073 INFO L93 Difference]: Finished difference Result 104 states and 125 transitions. [2024-11-13 14:51:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:51:21,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 28 [2024-11-13 14:51:21,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:21,076 INFO L225 Difference]: With dead ends: 104 [2024-11-13 14:51:21,077 INFO L226 Difference]: Without dead ends: 103 [2024-11-13 14:51:21,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:51:21,078 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 72 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:21,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 205 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:51:21,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-13 14:51:21,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-13 14:51:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.537313432835821) internal successors, (103), 90 states have internal predecessors, (103), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:51:21,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 123 transitions. [2024-11-13 14:51:21,095 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 123 transitions. Word has length 28 [2024-11-13 14:51:21,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:21,095 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 123 transitions. [2024-11-13 14:51:21,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2024-11-13 14:51:21,096 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 123 transitions. [2024-11-13 14:51:21,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 14:51:21,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:21,097 INFO L215 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] [2024-11-13 14:51:21,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 14:51:21,097 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:21,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:21,098 INFO L85 PathProgramCache]: Analyzing trace with hash 28284258, now seen corresponding path program 1 times [2024-11-13 14:51:21,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:21,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653861572] [2024-11-13 14:51:21,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:21,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:21,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:21,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:21,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:21,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 14:51:21,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:21,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653861572] [2024-11-13 14:51:21,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653861572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:21,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:21,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:51:21,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639510388] [2024-11-13 14:51:21,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:21,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:51:21,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:21,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:51:21,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:51:21,243 INFO L87 Difference]: Start difference. First operand 103 states and 123 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-13 14:51:21,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:21,310 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2024-11-13 14:51:21,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:51:21,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 28 [2024-11-13 14:51:21,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:21,311 INFO L225 Difference]: With dead ends: 113 [2024-11-13 14:51:21,312 INFO L226 Difference]: Without dead ends: 112 [2024-11-13 14:51:21,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:51:21,314 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 21 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:21,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 126 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:51:21,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-13 14:51:21,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 103. [2024-11-13 14:51:21,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 90 states have internal predecessors, (102), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:51:21,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2024-11-13 14:51:21,327 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 28 [2024-11-13 14:51:21,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:21,327 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2024-11-13 14:51:21,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-13 14:51:21,327 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2024-11-13 14:51:21,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 14:51:21,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:21,328 INFO L215 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] [2024-11-13 14:51:21,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 14:51:21,329 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:21,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:21,329 INFO L85 PathProgramCache]: Analyzing trace with hash 876764402, now seen corresponding path program 1 times [2024-11-13 14:51:21,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:21,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643347152] [2024-11-13 14:51:21,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:21,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:21,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:21,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:21,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:21,438 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 14:51:21,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:21,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643347152] [2024-11-13 14:51:21,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643347152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:21,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:21,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:51:21,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501788072] [2024-11-13 14:51:21,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:21,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:51:21,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:21,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:51:21,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:51:21,441 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-11-13 14:51:21,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:21,561 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2024-11-13 14:51:21,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:51:21,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 29 [2024-11-13 14:51:21,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:21,564 INFO L225 Difference]: With dead ends: 120 [2024-11-13 14:51:21,564 INFO L226 Difference]: Without dead ends: 111 [2024-11-13 14:51:21,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:51:21,565 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 20 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:21,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 344 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:51:21,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-13 14:51:21,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2024-11-13 14:51:21,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 93 states have internal predecessors, (103), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 14:51:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2024-11-13 14:51:21,587 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 29 [2024-11-13 14:51:21,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:21,590 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2024-11-13 14:51:21,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-11-13 14:51:21,590 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2024-11-13 14:51:21,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 14:51:21,591 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:21,591 INFO L215 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] [2024-11-13 14:51:21,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 14:51:21,592 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:21,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:21,592 INFO L85 PathProgramCache]: Analyzing trace with hash 757003092, now seen corresponding path program 1 times [2024-11-13 14:51:21,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:21,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563562341] [2024-11-13 14:51:21,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:21,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:21,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528832196] [2024-11-13 14:51:21,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:21,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:21,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:21,624 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:21,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:51:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:21,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:51:21,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:21,726 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 14:51:21,727 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:51:21,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:21,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563562341] [2024-11-13 14:51:21,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:21,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528832196] [2024-11-13 14:51:21,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528832196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:21,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:21,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:51:21,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712629758] [2024-11-13 14:51:21,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:21,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:51:21,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:21,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:51:21,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:51:21,729 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-13 14:51:21,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:21,795 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2024-11-13 14:51:21,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:51:21,796 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 31 [2024-11-13 14:51:21,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:21,797 INFO L225 Difference]: With dead ends: 145 [2024-11-13 14:51:21,797 INFO L226 Difference]: Without dead ends: 141 [2024-11-13 14:51:21,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:51:21,798 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:21,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 102 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:51:21,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-11-13 14:51:21,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 127. [2024-11-13 14:51:21,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 111 states have internal predecessors, (130), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 14:51:21,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2024-11-13 14:51:21,811 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 31 [2024-11-13 14:51:21,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:21,812 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2024-11-13 14:51:21,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-13 14:51:21,812 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2024-11-13 14:51:21,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 14:51:21,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:21,812 INFO L215 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] [2024-11-13 14:51:21,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:51:22,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:22,015 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:22,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:22,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1630501302, now seen corresponding path program 1 times [2024-11-13 14:51:22,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:22,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099779982] [2024-11-13 14:51:22,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:22,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:22,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:22,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:22,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:22,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 14:51:22,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:22,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099779982] [2024-11-13 14:51:22,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099779982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:22,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:22,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:51:22,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272590173] [2024-11-13 14:51:22,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:22,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:51:22,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:22,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:51:22,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:51:22,154 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-13 14:51:22,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:22,858 INFO L93 Difference]: Finished difference Result 151 states and 180 transitions. [2024-11-13 14:51:22,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:51:22,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 33 [2024-11-13 14:51:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:22,860 INFO L225 Difference]: With dead ends: 151 [2024-11-13 14:51:22,861 INFO L226 Difference]: Without dead ends: 150 [2024-11-13 14:51:22,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:51:22,862 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 104 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:22,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 113 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:51:22,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-13 14:51:22,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 134. [2024-11-13 14:51:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 118 states have internal predecessors, (139), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-13 14:51:22,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 163 transitions. [2024-11-13 14:51:22,891 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 163 transitions. Word has length 33 [2024-11-13 14:51:22,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:22,891 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 163 transitions. [2024-11-13 14:51:22,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-13 14:51:22,891 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 163 transitions. [2024-11-13 14:51:22,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 14:51:22,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:22,892 INFO L215 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] [2024-11-13 14:51:22,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 14:51:22,893 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:22,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:22,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1594079511, now seen corresponding path program 1 times [2024-11-13 14:51:22,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:22,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7501564] [2024-11-13 14:51:22,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:22,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:22,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:22,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:22,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:23,004 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 14:51:23,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:23,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7501564] [2024-11-13 14:51:23,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7501564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:23,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1972151176] [2024-11-13 14:51:23,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:23,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:23,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:23,008 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:23,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 14:51:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:23,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:51:23,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:23,175 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 14:51:23,176 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:23,296 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 14:51:23,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1972151176] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:51:23,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:51:23,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2024-11-13 14:51:23,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584741468] [2024-11-13 14:51:23,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:23,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:51:23,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:23,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:51:23,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-13 14:51:23,298 INFO L87 Difference]: Start difference. First operand 134 states and 163 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 14:51:23,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:23,509 INFO L93 Difference]: Finished difference Result 267 states and 325 transitions. [2024-11-13 14:51:23,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:51:23,509 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 33 [2024-11-13 14:51:23,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:23,511 INFO L225 Difference]: With dead ends: 267 [2024-11-13 14:51:23,511 INFO L226 Difference]: Without dead ends: 191 [2024-11-13 14:51:23,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:51:23,513 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 66 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:23,513 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 390 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:51:23,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-13 14:51:23,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 173. [2024-11-13 14:51:23,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 126 states have (on average 1.4523809523809523) internal successors, (183), 149 states have internal predecessors, (183), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 14:51:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2024-11-13 14:51:23,540 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 219 transitions. Word has length 33 [2024-11-13 14:51:23,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:23,541 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 219 transitions. [2024-11-13 14:51:23,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-13 14:51:23,541 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 219 transitions. [2024-11-13 14:51:23,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-13 14:51:23,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:23,542 INFO L215 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] [2024-11-13 14:51:23,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 14:51:23,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:23,743 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:23,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:23,744 INFO L85 PathProgramCache]: Analyzing trace with hash -994067095, now seen corresponding path program 1 times [2024-11-13 14:51:23,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:23,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538743388] [2024-11-13 14:51:23,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:23,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:23,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2094001999] [2024-11-13 14:51:23,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:23,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:23,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:23,775 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:23,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 14:51:23,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:23,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:51:23,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 14:51:24,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:51:24,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:24,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538743388] [2024-11-13 14:51:24,060 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:24,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094001999] [2024-11-13 14:51:24,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094001999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:24,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:24,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:51:24,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972063966] [2024-11-13 14:51:24,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:24,061 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:51:24,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:24,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:51:24,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:51:24,061 INFO L87 Difference]: Start difference. First operand 173 states and 219 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-13 14:51:24,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:24,276 INFO L93 Difference]: Finished difference Result 179 states and 224 transitions. [2024-11-13 14:51:24,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:51:24,277 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 34 [2024-11-13 14:51:24,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:24,278 INFO L225 Difference]: With dead ends: 179 [2024-11-13 14:51:24,278 INFO L226 Difference]: Without dead ends: 176 [2024-11-13 14:51:24,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:51:24,279 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 24 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:24,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 139 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:51:24,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-13 14:51:24,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-13 14:51:24,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 129 states have (on average 1.434108527131783) internal successors, (185), 152 states have internal predecessors, (185), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 14:51:24,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2024-11-13 14:51:24,307 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 34 [2024-11-13 14:51:24,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:24,308 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2024-11-13 14:51:24,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-13 14:51:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2024-11-13 14:51:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 14:51:24,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:24,309 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:24,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 14:51:24,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 14:51:24,513 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:24,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:24,514 INFO L85 PathProgramCache]: Analyzing trace with hash 637716681, now seen corresponding path program 1 times [2024-11-13 14:51:24,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:24,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229193252] [2024-11-13 14:51:24,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:24,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:24,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1477808465] [2024-11-13 14:51:24,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:24,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:24,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:24,532 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:24,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 14:51:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:24,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:51:24,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:24,665 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:51:24,665 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:51:24,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:24,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229193252] [2024-11-13 14:51:24,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:24,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477808465] [2024-11-13 14:51:24,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477808465] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:24,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:24,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:51:24,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544093564] [2024-11-13 14:51:24,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:24,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:51:24,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:24,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:51:24,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:51:24,667 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-13 14:51:24,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:24,791 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2024-11-13 14:51:24,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:51:24,791 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 45 [2024-11-13 14:51:24,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:24,795 INFO L225 Difference]: With dead ends: 213 [2024-11-13 14:51:24,795 INFO L226 Difference]: Without dead ends: 203 [2024-11-13 14:51:24,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:51:24,796 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 82 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:24,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 144 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:51:24,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-13 14:51:24,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 185. [2024-11-13 14:51:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 140 states have (on average 1.3571428571428572) internal successors, (190), 159 states have internal predecessors, (190), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-13 14:51:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 230 transitions. [2024-11-13 14:51:24,825 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 230 transitions. Word has length 45 [2024-11-13 14:51:24,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:24,825 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 230 transitions. [2024-11-13 14:51:24,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2024-11-13 14:51:24,826 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2024-11-13 14:51:24,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 14:51:24,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:24,827 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:24,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 14:51:25,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:25,031 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:25,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:25,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1705619311, now seen corresponding path program 1 times [2024-11-13 14:51:25,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:25,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127173160] [2024-11-13 14:51:25,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:25,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:25,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1626489942] [2024-11-13 14:51:25,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:25,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:25,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:25,068 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:25,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 14:51:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:25,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:51:25,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:25,193 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:51:25,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:25,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:25,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127173160] [2024-11-13 14:51:25,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:25,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626489942] [2024-11-13 14:51:25,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626489942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:25,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:51:25,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-13 14:51:25,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534894896] [2024-11-13 14:51:25,318 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:25,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:51:25,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:25,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:51:25,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:51:25,320 INFO L87 Difference]: Start difference. First operand 185 states and 230 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-13 14:51:25,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:25,469 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2024-11-13 14:51:25,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:51:25,470 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 46 [2024-11-13 14:51:25,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:25,472 INFO L225 Difference]: With dead ends: 281 [2024-11-13 14:51:25,472 INFO L226 Difference]: Without dead ends: 277 [2024-11-13 14:51:25,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:51:25,473 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:25,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 186 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:51:25,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-13 14:51:25,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 245. [2024-11-13 14:51:25,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 194 states have (on average 1.3814432989690721) internal successors, (268), 213 states have internal predecessors, (268), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-13 14:51:25,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 320 transitions. [2024-11-13 14:51:25,505 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 320 transitions. Word has length 46 [2024-11-13 14:51:25,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:25,505 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 320 transitions. [2024-11-13 14:51:25,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2024-11-13 14:51:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 320 transitions. [2024-11-13 14:51:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 14:51:25,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:25,507 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-13 14:51:25,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 14:51:25,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:25,711 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:25,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:25,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1899776118, now seen corresponding path program 1 times [2024-11-13 14:51:25,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:25,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730224666] [2024-11-13 14:51:25,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:25,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:25,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:25,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:25,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:25,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:51:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:25,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-13 14:51:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:25,819 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-13 14:51:25,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730224666] [2024-11-13 14:51:25,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730224666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:25,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:25,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 14:51:25,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021328311] [2024-11-13 14:51:25,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:25,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:51:25,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:25,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:51:25,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:51:25,821 INFO L87 Difference]: Start difference. First operand 245 states and 320 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:51:26,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:26,591 INFO L93 Difference]: Finished difference Result 256 states and 331 transitions. [2024-11-13 14:51:26,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:51:26,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2024-11-13 14:51:26,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:26,595 INFO L225 Difference]: With dead ends: 256 [2024-11-13 14:51:26,595 INFO L226 Difference]: Without dead ends: 239 [2024-11-13 14:51:26,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:51:26,596 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:26,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 135 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:51:26,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-13 14:51:26,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 230. [2024-11-13 14:51:26,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 200 states have internal predecessors, (254), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-13 14:51:26,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 302 transitions. [2024-11-13 14:51:26,639 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 302 transitions. Word has length 50 [2024-11-13 14:51:26,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:26,640 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 302 transitions. [2024-11-13 14:51:26,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:51:26,640 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 302 transitions. [2024-11-13 14:51:26,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 14:51:26,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:26,641 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:26,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 14:51:26,641 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:26,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:26,642 INFO L85 PathProgramCache]: Analyzing trace with hash 990118690, now seen corresponding path program 1 times [2024-11-13 14:51:26,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:26,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028995866] [2024-11-13 14:51:26,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:26,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:26,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:26,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:26,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:26,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:51:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:26,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:51:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:26,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:51:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:26,763 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:51:26,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:26,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028995866] [2024-11-13 14:51:26,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028995866] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:26,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703876365] [2024-11-13 14:51:26,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:26,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:26,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:26,773 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:26,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 14:51:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:26,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 14:51:26,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:51:26,925 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:27,038 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:51:27,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703876365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:51:27,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:51:27,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-13 14:51:27,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901878947] [2024-11-13 14:51:27,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:27,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:51:27,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:27,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:51:27,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:51:27,040 INFO L87 Difference]: Start difference. First operand 230 states and 302 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-13 14:51:27,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:27,295 INFO L93 Difference]: Finished difference Result 364 states and 468 transitions. [2024-11-13 14:51:27,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:51:27,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 54 [2024-11-13 14:51:27,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:27,298 INFO L225 Difference]: With dead ends: 364 [2024-11-13 14:51:27,298 INFO L226 Difference]: Without dead ends: 362 [2024-11-13 14:51:27,299 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:51:27,299 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 132 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:27,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 266 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:51:27,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-13 14:51:27,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 299. [2024-11-13 14:51:27,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 241 states have (on average 1.4190871369294606) internal successors, (342), 260 states have internal predecessors, (342), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-13 14:51:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 408 transitions. [2024-11-13 14:51:27,344 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 408 transitions. Word has length 54 [2024-11-13 14:51:27,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:27,345 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 408 transitions. [2024-11-13 14:51:27,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-13 14:51:27,345 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2024-11-13 14:51:27,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 14:51:27,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:27,347 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-13 14:51:27,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-13 14:51:27,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 14:51:27,548 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:27,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:27,548 INFO L85 PathProgramCache]: Analyzing trace with hash 628860722, now seen corresponding path program 1 times [2024-11-13 14:51:27,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:27,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758107426] [2024-11-13 14:51:27,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:27,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:27,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:27,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:27,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:27,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:27,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:51:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:27,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:51:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:27,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:51:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:27,739 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:51:27,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:27,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758107426] [2024-11-13 14:51:27,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758107426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:27,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459133123] [2024-11-13 14:51:27,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:27,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:27,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:27,747 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:27,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 14:51:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:27,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:51:27,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:27,920 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 14:51:27,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:51:28,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459133123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:51:28,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:51:28,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-13 14:51:28,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074246992] [2024-11-13 14:51:28,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:28,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 14:51:28,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:28,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:51:28,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:51:28,109 INFO L87 Difference]: Start difference. First operand 299 states and 408 transitions. Second operand has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-13 14:51:28,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:28,507 INFO L93 Difference]: Finished difference Result 346 states and 451 transitions. [2024-11-13 14:51:28,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 14:51:28,507 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 55 [2024-11-13 14:51:28,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:28,510 INFO L225 Difference]: With dead ends: 346 [2024-11-13 14:51:28,510 INFO L226 Difference]: Without dead ends: 340 [2024-11-13 14:51:28,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2024-11-13 14:51:28,511 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 91 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:28,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 492 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:51:28,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-13 14:51:28,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 322. [2024-11-13 14:51:28,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 262 states have (on average 1.3931297709923665) internal successors, (365), 281 states have internal predecessors, (365), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-13 14:51:28,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 431 transitions. [2024-11-13 14:51:28,559 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 431 transitions. Word has length 55 [2024-11-13 14:51:28,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:28,560 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 431 transitions. [2024-11-13 14:51:28,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-13 14:51:28,560 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 431 transitions. [2024-11-13 14:51:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 14:51:28,562 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:28,562 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-13 14:51:28,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-13 14:51:28,766 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 14:51:28,766 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:28,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:28,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1660607273, now seen corresponding path program 1 times [2024-11-13 14:51:28,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:28,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317612757] [2024-11-13 14:51:28,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:28,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:28,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1484849744] [2024-11-13 14:51:28,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:28,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:28,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:28,791 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:28,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 14:51:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:28,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 14:51:28,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:51:29,133 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:29,329 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:51:29,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:29,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317612757] [2024-11-13 14:51:29,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:29,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1484849744] [2024-11-13 14:51:29,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1484849744] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:51:29,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:51:29,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-13 14:51:29,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678278443] [2024-11-13 14:51:29,330 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:29,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 14:51:29,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:29,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 14:51:29,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:51:29,331 INFO L87 Difference]: Start difference. First operand 322 states and 431 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-13 14:51:30,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:30,237 INFO L93 Difference]: Finished difference Result 367 states and 486 transitions. [2024-11-13 14:51:30,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:51:30,238 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 60 [2024-11-13 14:51:30,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:30,241 INFO L225 Difference]: With dead ends: 367 [2024-11-13 14:51:30,241 INFO L226 Difference]: Without dead ends: 361 [2024-11-13 14:51:30,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:51:30,245 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 222 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:30,245 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 231 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:51:30,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-13 14:51:30,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 325. [2024-11-13 14:51:30,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 265 states have (on average 1.3584905660377358) internal successors, (360), 284 states have internal predecessors, (360), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-13 14:51:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 426 transitions. [2024-11-13 14:51:30,310 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 426 transitions. Word has length 60 [2024-11-13 14:51:30,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:30,311 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 426 transitions. [2024-11-13 14:51:30,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-13 14:51:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 426 transitions. [2024-11-13 14:51:30,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 14:51:30,312 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:30,312 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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] [2024-11-13 14:51:30,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 14:51:30,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 14:51:30,513 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:30,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:30,513 INFO L85 PathProgramCache]: Analyzing trace with hash 36789618, now seen corresponding path program 1 times [2024-11-13 14:51:30,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:30,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71628833] [2024-11-13 14:51:30,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:30,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:30,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:30,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:30,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:30,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:30,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:51:30,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:30,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:51:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:30,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:51:30,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:51:30,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:30,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71628833] [2024-11-13 14:51:30,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71628833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:30,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1562505056] [2024-11-13 14:51:30,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:30,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:30,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:30,693 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:30,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 14:51:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:30,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:51:30,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:30,877 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 14:51:30,877 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:31,047 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-13 14:51:31,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1562505056] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:51:31,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:51:31,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-13 14:51:31,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243174071] [2024-11-13 14:51:31,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:31,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 14:51:31,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:31,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:51:31,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:51:31,052 INFO L87 Difference]: Start difference. First operand 325 states and 426 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-13 14:51:31,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:31,403 INFO L93 Difference]: Finished difference Result 513 states and 670 transitions. [2024-11-13 14:51:31,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 14:51:31,404 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 68 [2024-11-13 14:51:31,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:31,406 INFO L225 Difference]: With dead ends: 513 [2024-11-13 14:51:31,407 INFO L226 Difference]: Without dead ends: 363 [2024-11-13 14:51:31,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2024-11-13 14:51:31,410 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 85 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:31,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 634 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:51:31,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-11-13 14:51:31,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 349. [2024-11-13 14:51:31,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 285 states have (on average 1.343859649122807) internal successors, (383), 304 states have internal predecessors, (383), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-13 14:51:31,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 455 transitions. [2024-11-13 14:51:31,462 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 455 transitions. Word has length 68 [2024-11-13 14:51:31,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:31,462 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 455 transitions. [2024-11-13 14:51:31,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-13 14:51:31,463 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 455 transitions. [2024-11-13 14:51:31,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 14:51:31,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:31,463 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-13 14:51:31,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 14:51:31,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:31,664 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:31,664 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:31,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1913835089, now seen corresponding path program 2 times [2024-11-13 14:51:31,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:31,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212241413] [2024-11-13 14:51:31,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:31,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:31,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1989395679] [2024-11-13 14:51:31,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:51:31,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:31,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:31,695 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:31,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 14:51:31,766 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:51:31,767 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:51:31,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:51:31,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:31,850 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 14:51:31,850 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:31,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:31,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212241413] [2024-11-13 14:51:31,927 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:31,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1989395679] [2024-11-13 14:51:31,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1989395679] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:31,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:51:31,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-13 14:51:31,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814488704] [2024-11-13 14:51:31,928 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:31,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:51:31,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:31,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:51:31,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:51:31,929 INFO L87 Difference]: Start difference. First operand 349 states and 455 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 14:51:32,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:32,116 INFO L93 Difference]: Finished difference Result 498 states and 639 transitions. [2024-11-13 14:51:32,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:51:32,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2024-11-13 14:51:32,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:32,120 INFO L225 Difference]: With dead ends: 498 [2024-11-13 14:51:32,120 INFO L226 Difference]: Without dead ends: 494 [2024-11-13 14:51:32,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:51:32,123 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 148 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:32,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 199 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 14:51:32,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2024-11-13 14:51:32,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 380. [2024-11-13 14:51:32,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 312 states have (on average 1.3237179487179487) internal successors, (413), 331 states have internal predecessors, (413), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-13 14:51:32,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 493 transitions. [2024-11-13 14:51:32,174 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 493 transitions. Word has length 72 [2024-11-13 14:51:32,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:32,175 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 493 transitions. [2024-11-13 14:51:32,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 14:51:32,175 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 493 transitions. [2024-11-13 14:51:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 14:51:32,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:32,176 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1] [2024-11-13 14:51:32,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 14:51:32,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:32,377 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:32,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:32,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1281829, now seen corresponding path program 1 times [2024-11-13 14:51:32,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:32,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259619266] [2024-11-13 14:51:32,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:32,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:51:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:51:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:51:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:51:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:51:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,503 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 14:51:32,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:32,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259619266] [2024-11-13 14:51:32,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259619266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:32,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:32,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 14:51:32,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523842826] [2024-11-13 14:51:32,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:32,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 14:51:32,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:32,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 14:51:32,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:51:32,508 INFO L87 Difference]: Start difference. First operand 380 states and 493 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:51:32,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:32,608 INFO L93 Difference]: Finished difference Result 380 states and 493 transitions. [2024-11-13 14:51:32,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 14:51:32,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2024-11-13 14:51:32,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:32,611 INFO L225 Difference]: With dead ends: 380 [2024-11-13 14:51:32,611 INFO L226 Difference]: Without dead ends: 379 [2024-11-13 14:51:32,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 14:51:32,612 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:32,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 118 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 14:51:32,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2024-11-13 14:51:32,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2024-11-13 14:51:32,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 312 states have (on average 1.310897435897436) internal successors, (409), 330 states have internal predecessors, (409), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-13 14:51:32,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 489 transitions. [2024-11-13 14:51:32,659 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 489 transitions. Word has length 79 [2024-11-13 14:51:32,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:32,659 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 489 transitions. [2024-11-13 14:51:32,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:51:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 489 transitions. [2024-11-13 14:51:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-13 14:51:32,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:32,661 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1] [2024-11-13 14:51:32,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 14:51:32,661 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:32,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:32,661 INFO L85 PathProgramCache]: Analyzing trace with hash 39736820, now seen corresponding path program 1 times [2024-11-13 14:51:32,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:32,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978814440] [2024-11-13 14:51:32,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:32,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:51:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:51:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:51:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:51:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:51:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:32,883 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 14:51:32,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:32,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978814440] [2024-11-13 14:51:32,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978814440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:32,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:32,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 14:51:32,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951089758] [2024-11-13 14:51:32,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:32,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:51:32,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:32,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:51:32,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 14:51:32,884 INFO L87 Difference]: Start difference. First operand 379 states and 489 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-11-13 14:51:33,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:33,309 INFO L93 Difference]: Finished difference Result 579 states and 774 transitions. [2024-11-13 14:51:33,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:51:33,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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 [2024-11-13 14:51:33,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:33,317 INFO L225 Difference]: With dead ends: 579 [2024-11-13 14:51:33,317 INFO L226 Difference]: Without dead ends: 578 [2024-11-13 14:51:33,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:51:33,320 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 117 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:33,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 280 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:51:33,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2024-11-13 14:51:33,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 517. [2024-11-13 14:51:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 436 states have (on average 1.3669724770642202) internal successors, (596), 454 states have internal predecessors, (596), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 14:51:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 704 transitions. [2024-11-13 14:51:33,401 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 704 transitions. Word has length 80 [2024-11-13 14:51:33,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:33,402 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 704 transitions. [2024-11-13 14:51:33,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2024-11-13 14:51:33,402 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 704 transitions. [2024-11-13 14:51:33,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 14:51:33,403 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:33,403 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:33,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 14:51:33,403 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:33,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:33,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1231841543, now seen corresponding path program 1 times [2024-11-13 14:51:33,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:33,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744079835] [2024-11-13 14:51:33,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:33,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:33,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:33,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:33,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:51:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:33,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:51:33,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:33,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:51:33,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:33,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:51:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:33,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:51:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:33,665 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 14:51:33,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:33,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744079835] [2024-11-13 14:51:33,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744079835] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:33,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [909979283] [2024-11-13 14:51:33,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:33,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:33,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:33,669 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:33,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 14:51:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:33,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:51:33,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 14:51:34,023 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:51:34,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [909979283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:34,024 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:51:34,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-13 14:51:34,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473060773] [2024-11-13 14:51:34,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:34,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:51:34,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:34,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:51:34,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:51:34,026 INFO L87 Difference]: Start difference. First operand 517 states and 704 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:51:34,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:34,356 INFO L93 Difference]: Finished difference Result 562 states and 753 transitions. [2024-11-13 14:51:34,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:51:34,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 81 [2024-11-13 14:51:34,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:34,359 INFO L225 Difference]: With dead ends: 562 [2024-11-13 14:51:34,359 INFO L226 Difference]: Without dead ends: 561 [2024-11-13 14:51:34,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:51:34,360 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 82 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:34,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 144 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:51:34,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2024-11-13 14:51:34,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 529. [2024-11-13 14:51:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 448 states have (on average 1.3571428571428572) internal successors, (608), 466 states have internal predecessors, (608), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 14:51:34,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 716 transitions. [2024-11-13 14:51:34,461 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 716 transitions. Word has length 81 [2024-11-13 14:51:34,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:34,461 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 716 transitions. [2024-11-13 14:51:34,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:51:34,462 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 716 transitions. [2024-11-13 14:51:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-13 14:51:34,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:34,463 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:34,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 14:51:34,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-13 14:51:34,667 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:34,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:34,668 INFO L85 PathProgramCache]: Analyzing trace with hash -467617706, now seen corresponding path program 1 times [2024-11-13 14:51:34,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:34,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905562521] [2024-11-13 14:51:34,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:34,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:34,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:34,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:34,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:34,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:51:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:34,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:51:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:34,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:51:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:34,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:51:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:34,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:51:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:34,922 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 14:51:34,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:34,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905562521] [2024-11-13 14:51:34,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905562521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:34,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456483149] [2024-11-13 14:51:34,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:34,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:34,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:34,925 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:34,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 14:51:35,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 14:51:35,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 14:51:35,185 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:51:35,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456483149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:35,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:51:35,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-13 14:51:35,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061672995] [2024-11-13 14:51:35,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:35,186 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:51:35,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:35,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:51:35,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:51:35,187 INFO L87 Difference]: Start difference. First operand 529 states and 716 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:51:35,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:35,487 INFO L93 Difference]: Finished difference Result 544 states and 729 transitions. [2024-11-13 14:51:35,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 14:51:35,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 82 [2024-11-13 14:51:35,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:35,491 INFO L225 Difference]: With dead ends: 544 [2024-11-13 14:51:35,492 INFO L226 Difference]: Without dead ends: 542 [2024-11-13 14:51:35,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:51:35,493 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 43 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:35,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 119 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:51:35,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-11-13 14:51:35,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 533. [2024-11-13 14:51:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 452 states have (on average 1.345132743362832) internal successors, (608), 470 states have internal predecessors, (608), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 14:51:35,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 716 transitions. [2024-11-13 14:51:35,576 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 716 transitions. Word has length 82 [2024-11-13 14:51:35,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:35,577 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 716 transitions. [2024-11-13 14:51:35,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:51:35,577 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 716 transitions. [2024-11-13 14:51:35,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 14:51:35,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:35,578 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:35,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-13 14:51:35,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-13 14:51:35,779 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:35,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:35,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1994341145, now seen corresponding path program 1 times [2024-11-13 14:51:35,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:35,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878617664] [2024-11-13 14:51:35,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:35,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:51:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:51:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:51:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:51:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:51:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:51:35,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 14:51:35,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:35,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878617664] [2024-11-13 14:51:35,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878617664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:35,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631655754] [2024-11-13 14:51:35,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:35,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:35,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:35,976 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:35,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 14:51:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:36,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 14:51:36,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-13 14:51:36,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-13 14:51:36,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631655754] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:51:36,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:51:36,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 18 [2024-11-13 14:51:36,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199290454] [2024-11-13 14:51:36,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:36,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 14:51:36,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:36,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 14:51:36,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:51:36,415 INFO L87 Difference]: Start difference. First operand 533 states and 716 transitions. Second operand has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-13 14:51:36,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:36,947 INFO L93 Difference]: Finished difference Result 600 states and 786 transitions. [2024-11-13 14:51:36,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 14:51:36,948 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 86 [2024-11-13 14:51:36,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:36,951 INFO L225 Difference]: With dead ends: 600 [2024-11-13 14:51:36,951 INFO L226 Difference]: Without dead ends: 588 [2024-11-13 14:51:36,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=334, Invalid=998, Unknown=0, NotChecked=0, Total=1332 [2024-11-13 14:51:36,953 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 148 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:36,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 554 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:51:36,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-13 14:51:37,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 561. [2024-11-13 14:51:37,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 475 states have (on average 1.3305263157894738) internal successors, (632), 493 states have internal predecessors, (632), 57 states have call successors, (57), 10 states have call predecessors, (57), 10 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-13 14:51:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 746 transitions. [2024-11-13 14:51:37,043 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 746 transitions. Word has length 86 [2024-11-13 14:51:37,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:37,043 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 746 transitions. [2024-11-13 14:51:37,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2024-11-13 14:51:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 746 transitions. [2024-11-13 14:51:37,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-13 14:51:37,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:37,045 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:37,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 14:51:37,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 14:51:37,246 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:37,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:37,246 INFO L85 PathProgramCache]: Analyzing trace with hash 1120129820, now seen corresponding path program 1 times [2024-11-13 14:51:37,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:37,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721404994] [2024-11-13 14:51:37,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:37,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:37,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1540421209] [2024-11-13 14:51:37,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:37,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:37,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:37,282 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:37,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 14:51:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:37,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:51:37,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:37,964 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 14:51:37,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:38,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:38,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721404994] [2024-11-13 14:51:38,648 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:38,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540421209] [2024-11-13 14:51:38,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540421209] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:38,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:51:38,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-13 14:51:38,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098990873] [2024-11-13 14:51:38,649 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:38,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:51:38,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:38,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:51:38,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:51:38,651 INFO L87 Difference]: Start difference. First operand 561 states and 746 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 14:51:39,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:39,357 INFO L93 Difference]: Finished difference Result 630 states and 838 transitions. [2024-11-13 14:51:39,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:51:39,357 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2024-11-13 14:51:39,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:39,361 INFO L225 Difference]: With dead ends: 630 [2024-11-13 14:51:39,361 INFO L226 Difference]: Without dead ends: 629 [2024-11-13 14:51:39,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:51:39,362 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 65 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:39,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 363 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:51:39,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-13 14:51:39,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 601. [2024-11-13 14:51:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 511 states have (on average 1.3268101761252447) internal successors, (678), 529 states have internal predecessors, (678), 61 states have call successors, (61), 10 states have call predecessors, (61), 10 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-13 14:51:39,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 800 transitions. [2024-11-13 14:51:39,441 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 800 transitions. Word has length 87 [2024-11-13 14:51:39,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:39,442 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 800 transitions. [2024-11-13 14:51:39,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 14:51:39,442 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 800 transitions. [2024-11-13 14:51:39,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-13 14:51:39,443 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:39,443 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:39,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 14:51:39,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-13 14:51:39,644 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:39,644 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:39,644 INFO L85 PathProgramCache]: Analyzing trace with hash 364286143, now seen corresponding path program 1 times [2024-11-13 14:51:39,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:39,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267608481] [2024-11-13 14:51:39,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:39,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:39,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1752297754] [2024-11-13 14:51:39,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:39,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:39,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:39,670 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:39,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 14:51:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:39,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:51:39,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:40,383 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 14:51:40,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:40,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:40,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267608481] [2024-11-13 14:51:40,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:40,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752297754] [2024-11-13 14:51:40,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752297754] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:40,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:51:40,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-13 14:51:40,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141084681] [2024-11-13 14:51:40,898 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:40,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:51:40,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:40,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:51:40,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:51:40,900 INFO L87 Difference]: Start difference. First operand 601 states and 800 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 14:51:41,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:41,343 INFO L93 Difference]: Finished difference Result 657 states and 878 transitions. [2024-11-13 14:51:41,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:51:41,344 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2024-11-13 14:51:41,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:41,348 INFO L225 Difference]: With dead ends: 657 [2024-11-13 14:51:41,348 INFO L226 Difference]: Without dead ends: 656 [2024-11-13 14:51:41,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:51:41,349 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 65 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:41,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 232 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:51:41,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2024-11-13 14:51:41,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 641. [2024-11-13 14:51:41,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 547 states have (on average 1.323583180987203) internal successors, (724), 565 states have internal predecessors, (724), 65 states have call successors, (65), 10 states have call predecessors, (65), 10 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-13 14:51:41,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 854 transitions. [2024-11-13 14:51:41,421 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 854 transitions. Word has length 88 [2024-11-13 14:51:41,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:41,422 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 854 transitions. [2024-11-13 14:51:41,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 14:51:41,422 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 854 transitions. [2024-11-13 14:51:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 14:51:41,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:41,423 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1, 1] [2024-11-13 14:51:41,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-13 14:51:41,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-13 14:51:41,624 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:41,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:41,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1592031362, now seen corresponding path program 1 times [2024-11-13 14:51:41,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:41,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207603977] [2024-11-13 14:51:41,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:41,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:41,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:51:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:41,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:51:41,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:41,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:51:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:41,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:51:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:41,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:51:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:41,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:51:41,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:41,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:51:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:41,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:51:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-11-13 14:51:41,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:41,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207603977] [2024-11-13 14:51:41,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207603977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:51:41,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:51:41,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:51:41,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681373624] [2024-11-13 14:51:41,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:51:41,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:51:41,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:41,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:51:41,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:51:41,762 INFO L87 Difference]: Start difference. First operand 641 states and 854 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:51:43,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:51:43,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:43,587 INFO L93 Difference]: Finished difference Result 646 states and 861 transitions. [2024-11-13 14:51:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:51:43,588 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2024-11-13 14:51:43,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:43,591 INFO L225 Difference]: With dead ends: 646 [2024-11-13 14:51:43,591 INFO L226 Difference]: Without dead ends: 645 [2024-11-13 14:51:43,592 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 14:51:43,592 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 89 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:43,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 112 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 14:51:43,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2024-11-13 14:51:43,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 640. [2024-11-13 14:51:43,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 547 states have (on average 1.3089579524680073) internal successors, (716), 564 states have internal predecessors, (716), 65 states have call successors, (65), 10 states have call predecessors, (65), 10 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-11-13 14:51:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 846 transitions. [2024-11-13 14:51:43,675 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 846 transitions. Word has length 89 [2024-11-13 14:51:43,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:43,676 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 846 transitions. [2024-11-13 14:51:43,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-13 14:51:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 846 transitions. [2024-11-13 14:51:43,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-13 14:51:43,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:43,678 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 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, 1, 1, 1, 1, 1] [2024-11-13 14:51:43,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 14:51:43,682 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:43,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:43,682 INFO L85 PathProgramCache]: Analyzing trace with hash -2108331871, now seen corresponding path program 1 times [2024-11-13 14:51:43,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:43,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837031222] [2024-11-13 14:51:43,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:43,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:43,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868599981] [2024-11-13 14:51:43,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:43,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:43,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:43,715 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:43,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 14:51:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:51:43,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-13 14:51:43,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:44,858 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 14:51:44,858 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-13 14:51:48,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:48,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837031222] [2024-11-13 14:51:48,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:48,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868599981] [2024-11-13 14:51:48,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868599981] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:51:48,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:51:48,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2024-11-13 14:51:48,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494992107] [2024-11-13 14:51:48,501 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:48,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-13 14:51:48,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:48,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-13 14:51:48,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2024-11-13 14:51:48,503 INFO L87 Difference]: Start difference. First operand 640 states and 846 transitions. Second operand has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-13 14:51:54,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:51:54,580 INFO L93 Difference]: Finished difference Result 809 states and 1078 transitions. [2024-11-13 14:51:54,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-13 14:51:54,581 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 90 [2024-11-13 14:51:54,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:51:54,588 INFO L225 Difference]: With dead ends: 809 [2024-11-13 14:51:54,588 INFO L226 Difference]: Without dead ends: 659 [2024-11-13 14:51:54,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2024-11-13 14:51:54,590 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 293 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 14:51:54,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 474 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 14:51:54,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-13 14:51:54,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 595. [2024-11-13 14:51:54,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 508 states have (on average 1.3208661417322836) internal successors, (671), 525 states have internal predecessors, (671), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-13 14:51:54,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 789 transitions. [2024-11-13 14:51:54,677 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 789 transitions. Word has length 90 [2024-11-13 14:51:54,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:51:54,678 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 789 transitions. [2024-11-13 14:51:54,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-13 14:51:54,678 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 789 transitions. [2024-11-13 14:51:54,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 14:51:54,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:51:54,680 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2024-11-13 14:51:54,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 14:51:54,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 14:51:54,884 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:51:54,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:51:54,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1758043153, now seen corresponding path program 3 times [2024-11-13 14:51:54,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:51:54,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983510706] [2024-11-13 14:51:54,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:51:54,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:51:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:51:54,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [264035119] [2024-11-13 14:51:54,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 14:51:54,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:51:54,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:51:54,914 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:51:54,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 14:51:55,054 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 14:51:55,055 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:51:55,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:51:55,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:51:55,610 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 44 proven. 38 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-13 14:51:55,610 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:51:56,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:51:56,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983510706] [2024-11-13 14:51:56,067 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:51:56,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264035119] [2024-11-13 14:51:56,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264035119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:51:56,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:51:56,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-13 14:51:56,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042503876] [2024-11-13 14:51:56,068 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:51:56,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:51:56,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:51:56,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:51:56,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:51:56,069 INFO L87 Difference]: Start difference. First operand 595 states and 789 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 14:52:00,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:52:04,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:52:08,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:52:13,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:52:17,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:52:21,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:52:26,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:52:30,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:52:32,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:52:33,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:52:33,390 INFO L93 Difference]: Finished difference Result 859 states and 1122 transitions. [2024-11-13 14:52:33,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-13 14:52:33,390 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) Word has length 98 [2024-11-13 14:52:33,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:52:33,394 INFO L225 Difference]: With dead ends: 859 [2024-11-13 14:52:33,395 INFO L226 Difference]: Without dead ends: 844 [2024-11-13 14:52:33,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=191, Invalid=459, Unknown=0, NotChecked=0, Total=650 [2024-11-13 14:52:33,396 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 306 mSDsluCounter, 423 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 32 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:52:33,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 526 Invalid, 714 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 674 Invalid, 8 Unknown, 0 Unchecked, 36.7s Time] [2024-11-13 14:52:33,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2024-11-13 14:52:33,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 696. [2024-11-13 14:52:33,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 597 states have (on average 1.2948073701842546) internal successors, (773), 612 states have internal predecessors, (773), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 14:52:33,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 919 transitions. [2024-11-13 14:52:33,498 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 919 transitions. Word has length 98 [2024-11-13 14:52:33,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:52:33,499 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 919 transitions. [2024-11-13 14:52:33,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 8 states have internal predecessors, (39), 3 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 4 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-13 14:52:33,499 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 919 transitions. [2024-11-13 14:52:33,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 14:52:33,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:52:33,501 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 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, 1, 1, 1] [2024-11-13 14:52:33,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 14:52:33,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:33,705 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:52:33,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:33,706 INFO L85 PathProgramCache]: Analyzing trace with hash -1172645408, now seen corresponding path program 1 times [2024-11-13 14:52:33,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:33,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306157270] [2024-11-13 14:52:33,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:33,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:33,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:52:33,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1213733006] [2024-11-13 14:52:33,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:33,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:33,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:52:33,737 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:52:33,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 14:52:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:33,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:52:33,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:52:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 14:52:34,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:52:34,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:34,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306157270] [2024-11-13 14:52:34,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:52:34,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213733006] [2024-11-13 14:52:34,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213733006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:52:34,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:52:34,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-13 14:52:34,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046772274] [2024-11-13 14:52:34,929 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:52:34,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 14:52:34,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:34,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 14:52:34,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2024-11-13 14:52:34,930 INFO L87 Difference]: Start difference. First operand 696 states and 919 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 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) [2024-11-13 14:52:35,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:52:35,382 INFO L93 Difference]: Finished difference Result 701 states and 926 transitions. [2024-11-13 14:52:35,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 14:52:35,383 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 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 104 [2024-11-13 14:52:35,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:52:35,385 INFO L225 Difference]: With dead ends: 701 [2024-11-13 14:52:35,385 INFO L226 Difference]: Without dead ends: 700 [2024-11-13 14:52:35,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2024-11-13 14:52:35,387 INFO L432 NwaCegarLoop]: 70 mSDtfsCounter, 26 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:52:35,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 324 Invalid, 347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:52:35,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-13 14:52:35,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 697. [2024-11-13 14:52:35,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 697 states, 598 states have (on average 1.294314381270903) internal successors, (774), 613 states have internal predecessors, (774), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 14:52:35,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 697 states and 920 transitions. [2024-11-13 14:52:35,488 INFO L78 Accepts]: Start accepts. Automaton has 697 states and 920 transitions. Word has length 104 [2024-11-13 14:52:35,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:52:35,489 INFO L471 AbstractCegarLoop]: Abstraction has 697 states and 920 transitions. [2024-11-13 14:52:35,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 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) [2024-11-13 14:52:35,489 INFO L276 IsEmpty]: Start isEmpty. Operand 697 states and 920 transitions. [2024-11-13 14:52:35,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 14:52:35,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:52:35,490 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 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, 1, 1, 1, 1] [2024-11-13 14:52:35,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-13 14:52:35,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-13 14:52:35,691 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:52:35,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:35,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1992269145, now seen corresponding path program 1 times [2024-11-13 14:52:35,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:35,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865070727] [2024-11-13 14:52:35,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:35,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:52:35,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1631557961] [2024-11-13 14:52:35,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:35,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:35,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:52:35,729 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:52:35,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 14:52:35,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:35,806 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 14:52:35,808 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:52:36,506 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 14:52:36,506 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:52:37,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:37,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865070727] [2024-11-13 14:52:37,914 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:52:37,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631557961] [2024-11-13 14:52:37,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631557961] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:52:37,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:52:37,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-13 14:52:37,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988623555] [2024-11-13 14:52:37,915 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:52:37,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 14:52:37,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:37,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 14:52:37,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2024-11-13 14:52:37,916 INFO L87 Difference]: Start difference. First operand 697 states and 920 transitions. Second operand has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 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) [2024-11-13 14:52:38,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:52:38,595 INFO L93 Difference]: Finished difference Result 953 states and 1287 transitions. [2024-11-13 14:52:38,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:52:38,596 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 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 105 [2024-11-13 14:52:38,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:52:38,598 INFO L225 Difference]: With dead ends: 953 [2024-11-13 14:52:38,598 INFO L226 Difference]: Without dead ends: 603 [2024-11-13 14:52:38,598 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:52:38,599 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 52 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:52:38,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 415 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:52:38,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-13 14:52:38,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 589. [2024-11-13 14:52:38,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 502 states have (on average 1.298804780876494) internal successors, (652), 517 states have internal predecessors, (652), 61 states have call successors, (61), 10 states have call predecessors, (61), 10 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-13 14:52:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 774 transitions. [2024-11-13 14:52:38,679 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 774 transitions. Word has length 105 [2024-11-13 14:52:38,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:52:38,680 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 774 transitions. [2024-11-13 14:52:38,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.444444444444445) internal successors, (58), 10 states have internal predecessors, (58), 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) [2024-11-13 14:52:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 774 transitions. [2024-11-13 14:52:38,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-13 14:52:38,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:52:38,681 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2024-11-13 14:52:38,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 14:52:38,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:38,886 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:52:38,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:38,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1630801214, now seen corresponding path program 1 times [2024-11-13 14:52:38,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:38,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942998192] [2024-11-13 14:52:38,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:38,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:52:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:52:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:52:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:52:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:52:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:52:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:52:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:52:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:52:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:52:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:39,148 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 14:52:39,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:39,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942998192] [2024-11-13 14:52:39,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942998192] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:52:39,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:52:39,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:52:39,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689753005] [2024-11-13 14:52:39,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:52:39,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 14:52:39,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:39,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 14:52:39,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:52:39,150 INFO L87 Difference]: Start difference. First operand 589 states and 774 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:52:39,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:52:39,936 INFO L93 Difference]: Finished difference Result 589 states and 774 transitions. [2024-11-13 14:52:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:52:39,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2024-11-13 14:52:39,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:52:39,938 INFO L225 Difference]: With dead ends: 589 [2024-11-13 14:52:39,939 INFO L226 Difference]: Without dead ends: 588 [2024-11-13 14:52:39,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 14:52:39,939 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 57 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:52:39,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 143 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:52:39,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2024-11-13 14:52:40,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2024-11-13 14:52:40,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 502 states have (on average 1.296812749003984) internal successors, (651), 516 states have internal predecessors, (651), 61 states have call successors, (61), 10 states have call predecessors, (61), 10 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2024-11-13 14:52:40,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 773 transitions. [2024-11-13 14:52:40,021 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 773 transitions. Word has length 106 [2024-11-13 14:52:40,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:52:40,021 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 773 transitions. [2024-11-13 14:52:40,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:52:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 773 transitions. [2024-11-13 14:52:40,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 14:52:40,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:52:40,023 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2024-11-13 14:52:40,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 14:52:40,023 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:52:40,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:40,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1753565468, now seen corresponding path program 1 times [2024-11-13 14:52:40,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:40,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586437495] [2024-11-13 14:52:40,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:40,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:52:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:52:40,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:52:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:52:40,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:52:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:52:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:52:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:52:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:52:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:52:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:52:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:52:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,166 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 14:52:40,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:40,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586437495] [2024-11-13 14:52:40,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586437495] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:52:40,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1407412552] [2024-11-13 14:52:40,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:40,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:40,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:52:40,169 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:52:40,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 14:52:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:40,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:52:40,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:52:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 14:52:40,355 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:52:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-13 14:52:40,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1407412552] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:52:40,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:52:40,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-13 14:52:40,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761976515] [2024-11-13 14:52:40,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:52:40,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 14:52:40,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:40,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 14:52:40,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:52:40,536 INFO L87 Difference]: Start difference. First operand 588 states and 773 transitions. Second operand has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-13 14:52:41,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:52:41,204 INFO L93 Difference]: Finished difference Result 1067 states and 1377 transitions. [2024-11-13 14:52:41,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 14:52:41,204 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 108 [2024-11-13 14:52:41,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:52:41,208 INFO L225 Difference]: With dead ends: 1067 [2024-11-13 14:52:41,209 INFO L226 Difference]: Without dead ends: 1064 [2024-11-13 14:52:41,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:52:41,210 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 370 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 213 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:52:41,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 451 Invalid, 213 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:52:41,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2024-11-13 14:52:41,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 687. [2024-11-13 14:52:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 589 states have (on average 1.2801358234295417) internal successors, (754), 603 states have internal predecessors, (754), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 14:52:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 900 transitions. [2024-11-13 14:52:41,306 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 900 transitions. Word has length 108 [2024-11-13 14:52:41,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:52:41,307 INFO L471 AbstractCegarLoop]: Abstraction has 687 states and 900 transitions. [2024-11-13 14:52:41,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-13 14:52:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 900 transitions. [2024-11-13 14:52:41,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-13 14:52:41,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:52:41,310 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2024-11-13 14:52:41,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-13 14:52:41,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:41,511 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:52:41,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:41,512 INFO L85 PathProgramCache]: Analyzing trace with hash 984770057, now seen corresponding path program 1 times [2024-11-13 14:52:41,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:41,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732846280] [2024-11-13 14:52:41,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:41,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:52:41,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1897318159] [2024-11-13 14:52:41,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:41,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:41,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:52:41,540 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:52:41,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 14:52:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:41,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 14:52:41,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:52:42,065 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 14:52:42,066 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:52:46,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:46,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732846280] [2024-11-13 14:52:46,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:52:46,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897318159] [2024-11-13 14:52:46,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897318159] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:52:46,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:52:46,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-13 14:52:46,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972801181] [2024-11-13 14:52:46,260 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:52:46,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:52:46,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:46,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:52:46,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=62, Unknown=1, NotChecked=0, Total=90 [2024-11-13 14:52:46,261 INFO L87 Difference]: Start difference. First operand 687 states and 900 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:52:46,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:52:46,660 INFO L93 Difference]: Finished difference Result 702 states and 916 transitions. [2024-11-13 14:52:46,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:52:46,661 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 107 [2024-11-13 14:52:46,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:52:46,664 INFO L225 Difference]: With dead ends: 702 [2024-11-13 14:52:46,664 INFO L226 Difference]: Without dead ends: 697 [2024-11-13 14:52:46,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=27, Invalid=62, Unknown=1, NotChecked=0, Total=90 [2024-11-13 14:52:46,666 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 11 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:52:46,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 204 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:52:46,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-11-13 14:52:46,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 685. [2024-11-13 14:52:46,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 587 states have (on average 1.2793867120954003) internal successors, (751), 601 states have internal predecessors, (751), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 14:52:46,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 897 transitions. [2024-11-13 14:52:46,783 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 897 transitions. Word has length 107 [2024-11-13 14:52:46,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:52:46,783 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 897 transitions. [2024-11-13 14:52:46,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-13 14:52:46,783 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 897 transitions. [2024-11-13 14:52:46,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-13 14:52:46,785 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:52:46,785 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-13 14:52:46,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-13 14:52:46,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:46,986 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:52:46,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:46,986 INFO L85 PathProgramCache]: Analyzing trace with hash 396588908, now seen corresponding path program 1 times [2024-11-13 14:52:46,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:46,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764675589] [2024-11-13 14:52:46,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:46,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:52:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:52:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:52:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:52:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:52:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:52:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:52:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-13 14:52:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-13 14:52:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-13 14:52:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-11-13 14:52:47,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:47,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764675589] [2024-11-13 14:52:47,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764675589] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:52:47,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045522247] [2024-11-13 14:52:47,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:47,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:47,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:52:47,315 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:52:47,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 14:52:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:47,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:52:47,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:52:47,527 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 14:52:47,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:52:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-13 14:52:47,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045522247] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:52:47,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:52:47,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2024-11-13 14:52:47,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648861051] [2024-11-13 14:52:47,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:52:47,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 14:52:47,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:47,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 14:52:47,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-13 14:52:47,714 INFO L87 Difference]: Start difference. First operand 685 states and 897 transitions. Second operand has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-13 14:52:48,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:52:48,484 INFO L93 Difference]: Finished difference Result 1126 states and 1521 transitions. [2024-11-13 14:52:48,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 14:52:48,485 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 110 [2024-11-13 14:52:48,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:52:48,489 INFO L225 Difference]: With dead ends: 1126 [2024-11-13 14:52:48,489 INFO L226 Difference]: Without dead ends: 960 [2024-11-13 14:52:48,490 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-13 14:52:48,491 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 242 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:52:48,491 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 593 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 14:52:48,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-13 14:52:48,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 673. [2024-11-13 14:52:48,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 576 states have (on average 1.3142361111111112) internal successors, (757), 590 states have internal predecessors, (757), 73 states have call successors, (73), 9 states have call predecessors, (73), 9 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 14:52:48,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 903 transitions. [2024-11-13 14:52:48,587 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 903 transitions. Word has length 110 [2024-11-13 14:52:48,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:52:48,587 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 903 transitions. [2024-11-13 14:52:48,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-13 14:52:48,588 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 903 transitions. [2024-11-13 14:52:48,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-13 14:52:48,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:52:48,589 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 14:52:48,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 14:52:48,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:48,790 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:52:48,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:48,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1163906396, now seen corresponding path program 2 times [2024-11-13 14:52:48,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:48,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357116684] [2024-11-13 14:52:48,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:48,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:52:48,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [434120453] [2024-11-13 14:52:48,821 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:52:48,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:48,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:52:48,823 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:52:48,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-13 14:52:48,914 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:52:48,914 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:52:48,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:52:48,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:52:49,204 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 14:52:49,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:52:50,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:50,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357116684] [2024-11-13 14:52:50,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:52:50,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [434120453] [2024-11-13 14:52:50,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [434120453] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:52:50,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:52:50,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-13 14:52:50,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344225110] [2024-11-13 14:52:50,087 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:52:50,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:52:50,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:50,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:52:50,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-13 14:52:50,092 INFO L87 Difference]: Start difference. First operand 673 states and 903 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:52:50,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:52:50,392 INFO L93 Difference]: Finished difference Result 683 states and 915 transitions. [2024-11-13 14:52:50,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 14:52:50,393 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 113 [2024-11-13 14:52:50,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:52:50,396 INFO L225 Difference]: With dead ends: 683 [2024-11-13 14:52:50,396 INFO L226 Difference]: Without dead ends: 681 [2024-11-13 14:52:50,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:52:50,398 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 84 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:52:50,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 240 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:52:50,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-13 14:52:50,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 671. [2024-11-13 14:52:50,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 671 states, 576 states have (on average 1.2621527777777777) internal successors, (727), 588 states have internal predecessors, (727), 73 states have call successors, (73), 9 states have call predecessors, (73), 9 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-11-13 14:52:50,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 671 states and 873 transitions. [2024-11-13 14:52:50,492 INFO L78 Accepts]: Start accepts. Automaton has 671 states and 873 transitions. Word has length 113 [2024-11-13 14:52:50,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:52:50,492 INFO L471 AbstractCegarLoop]: Abstraction has 671 states and 873 transitions. [2024-11-13 14:52:50,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:52:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 873 transitions. [2024-11-13 14:52:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-13 14:52:50,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:52:50,494 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 14:52:50,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-13 14:52:50,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:50,694 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:52:50,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:50,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1721359999, now seen corresponding path program 2 times [2024-11-13 14:52:50,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:50,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843363989] [2024-11-13 14:52:50,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:50,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:52:50,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [220912173] [2024-11-13 14:52:50,729 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:52:50,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:50,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:52:50,733 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:52:50,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 14:52:50,823 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:52:50,823 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:52:50,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 14:52:50,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:52:51,113 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 14:52:51,113 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:52:55,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:55,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843363989] [2024-11-13 14:52:55,796 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:52:55,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220912173] [2024-11-13 14:52:55,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220912173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:52:55,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:52:55,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-13 14:52:55,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698513492] [2024-11-13 14:52:55,796 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:52:55,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:52:55,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:55,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:52:55,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-11-13 14:52:55,799 INFO L87 Difference]: Start difference. First operand 671 states and 873 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:52:56,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:52:56,070 INFO L93 Difference]: Finished difference Result 713 states and 927 transitions. [2024-11-13 14:52:56,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:52:56,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 114 [2024-11-13 14:52:56,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:52:56,073 INFO L225 Difference]: With dead ends: 713 [2024-11-13 14:52:56,073 INFO L226 Difference]: Without dead ends: 712 [2024-11-13 14:52:56,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=36, Invalid=53, Unknown=1, NotChecked=0, Total=90 [2024-11-13 14:52:56,073 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 49 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 14:52:56,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 258 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 14:52:56,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2024-11-13 14:52:56,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 699. [2024-11-13 14:52:56,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 600 states have (on average 1.2583333333333333) internal successors, (755), 612 states have internal predecessors, (755), 77 states have call successors, (77), 9 states have call predecessors, (77), 9 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-11-13 14:52:56,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 909 transitions. [2024-11-13 14:52:56,175 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 909 transitions. Word has length 114 [2024-11-13 14:52:56,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:52:56,176 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 909 transitions. [2024-11-13 14:52:56,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2024-11-13 14:52:56,176 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 909 transitions. [2024-11-13 14:52:56,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-13 14:52:56,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:52:56,177 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-13 14:52:56,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-13 14:52:56,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37,26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:56,378 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:52:56,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:56,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1986220858, now seen corresponding path program 1 times [2024-11-13 14:52:56,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:56,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669277231] [2024-11-13 14:52:56,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:56,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:52:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:52:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:52:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:52:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:52:56,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:52:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:52:56,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:52:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:52:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:52:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-13 14:52:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-13 14:52:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 14:52:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 14:52:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:52:56,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:56,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669277231] [2024-11-13 14:52:56,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669277231] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:52:56,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667860617] [2024-11-13 14:52:56,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:56,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:56,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:52:56,728 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:52:56,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-13 14:52:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:56,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 14:52:56,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:52:57,024 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-13 14:52:57,024 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:52:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:52:57,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667860617] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:52:57,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:52:57,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 25 [2024-11-13 14:52:57,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474440969] [2024-11-13 14:52:57,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:52:57,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 14:52:57,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:52:57,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 14:52:57,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2024-11-13 14:52:57,414 INFO L87 Difference]: Start difference. First operand 699 states and 909 transitions. Second operand has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-13 14:52:58,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:52:58,224 INFO L93 Difference]: Finished difference Result 838 states and 1064 transitions. [2024-11-13 14:52:58,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-13 14:52:58,224 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 137 [2024-11-13 14:52:58,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:52:58,227 INFO L225 Difference]: With dead ends: 838 [2024-11-13 14:52:58,228 INFO L226 Difference]: Without dead ends: 829 [2024-11-13 14:52:58,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=667, Invalid=2195, Unknown=0, NotChecked=0, Total=2862 [2024-11-13 14:52:58,229 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 227 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:52:58,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [227 Valid, 719 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:52:58,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2024-11-13 14:52:58,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 799. [2024-11-13 14:52:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 799 states, 689 states have (on average 1.2380261248185775) internal successors, (853), 701 states have internal predecessors, (853), 83 states have call successors, (83), 14 states have call predecessors, (83), 14 states have return successors, (83), 83 states have call predecessors, (83), 83 states have call successors, (83) [2024-11-13 14:52:58,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 799 states and 1019 transitions. [2024-11-13 14:52:58,339 INFO L78 Accepts]: Start accepts. Automaton has 799 states and 1019 transitions. Word has length 137 [2024-11-13 14:52:58,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:52:58,341 INFO L471 AbstractCegarLoop]: Abstraction has 799 states and 1019 transitions. [2024-11-13 14:52:58,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 6.08) internal successors, (152), 26 states have internal predecessors, (152), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2024-11-13 14:52:58,341 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 1019 transitions. [2024-11-13 14:52:58,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-13 14:52:58,343 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:52:58,343 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2024-11-13 14:52:58,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-13 14:52:58,548 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:58,548 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:52:58,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:52:58,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1480306, now seen corresponding path program 1 times [2024-11-13 14:52:58,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:52:58,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458378833] [2024-11-13 14:52:58,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:58,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:52:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:52:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:52:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:52:58,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:52:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:52:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:52:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:52:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:52:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:52:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:52:58,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:52:58,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 14:52:58,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:52:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 14:52:58,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:52:58,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458378833] [2024-11-13 14:52:58,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458378833] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:52:58,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812498860] [2024-11-13 14:52:58,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:52:58,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:52:58,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:52:58,941 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:52:58,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-13 14:52:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:52:59,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 14:52:59,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:52:59,443 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 14:52:59,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:53:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 14:53:01,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812498860] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:53:01,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:53:01,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2024-11-13 14:53:01,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422109425] [2024-11-13 14:53:01,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:53:01,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 14:53:01,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:53:01,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 14:53:01,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2024-11-13 14:53:01,654 INFO L87 Difference]: Start difference. First operand 799 states and 1019 transitions. Second operand has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-13 14:53:03,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:53:03,242 INFO L93 Difference]: Finished difference Result 1113 states and 1427 transitions. [2024-11-13 14:53:03,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 14:53:03,243 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 138 [2024-11-13 14:53:03,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:53:03,247 INFO L225 Difference]: With dead ends: 1113 [2024-11-13 14:53:03,248 INFO L226 Difference]: Without dead ends: 1112 [2024-11-13 14:53:03,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=397, Invalid=659, Unknown=0, NotChecked=0, Total=1056 [2024-11-13 14:53:03,249 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 491 mSDsluCounter, 711 mSDsCounter, 0 mSdLazyCounter, 810 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:53:03,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 804 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 810 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 14:53:03,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1112 states. [2024-11-13 14:53:03,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1112 to 989. [2024-11-13 14:53:03,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 989 states, 863 states have (on average 1.2352259559675551) internal successors, (1066), 875 states have internal predecessors, (1066), 99 states have call successors, (99), 14 states have call predecessors, (99), 14 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-13 14:53:03,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 989 states and 1264 transitions. [2024-11-13 14:53:03,357 INFO L78 Accepts]: Start accepts. Automaton has 989 states and 1264 transitions. Word has length 138 [2024-11-13 14:53:03,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:53:03,357 INFO L471 AbstractCegarLoop]: Abstraction has 989 states and 1264 transitions. [2024-11-13 14:53:03,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2024-11-13 14:53:03,358 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1264 transitions. [2024-11-13 14:53:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 14:53:03,359 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:53:03,359 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 14:53:03,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-13 14:53:03,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:53:03,560 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:53:03,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:53:03,560 INFO L85 PathProgramCache]: Analyzing trace with hash 201275724, now seen corresponding path program 1 times [2024-11-13 14:53:03,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:53:03,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832038799] [2024-11-13 14:53:03,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:53:03,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:53:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-13 14:53:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-13 14:53:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-13 14:53:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:53:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-13 14:53:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-13 14:53:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 14:53:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:53:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 14:53:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-13 14:53:03,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 14:53:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-13 14:53:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-13 14:53:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 14:53:03,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:53:03,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [832038799] [2024-11-13 14:53:03,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [832038799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:53:03,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894664211] [2024-11-13 14:53:03,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:53:03,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:53:03,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:53:03,875 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:53:03,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-13 14:53:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:53:03,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 14:53:03,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:53:04,185 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 328 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 14:53:04,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:53:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 14:53:04,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894664211] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:53:04,556 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 14:53:04,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 14] total 24 [2024-11-13 14:53:04,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234335441] [2024-11-13 14:53:04,556 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 14:53:04,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 14:53:04,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:53:04,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 14:53:04,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=432, Unknown=0, NotChecked=0, Total=552 [2024-11-13 14:53:04,559 INFO L87 Difference]: Start difference. First operand 989 states and 1264 transitions. Second operand has 24 states, 24 states have (on average 6.875) internal successors, (165), 24 states have internal predecessors, (165), 9 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 9 states have call predecessors, (39), 9 states have call successors, (39) [2024-11-13 14:53:05,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:53:05,345 INFO L93 Difference]: Finished difference Result 1327 states and 1684 transitions. [2024-11-13 14:53:05,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-13 14:53:05,345 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 6.875) internal successors, (165), 24 states have internal predecessors, (165), 9 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 9 states have call predecessors, (39), 9 states have call successors, (39) Word has length 139 [2024-11-13 14:53:05,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:53:05,349 INFO L225 Difference]: With dead ends: 1327 [2024-11-13 14:53:05,349 INFO L226 Difference]: Without dead ends: 1319 [2024-11-13 14:53:05,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 291 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=511, Invalid=1745, Unknown=0, NotChecked=0, Total=2256 [2024-11-13 14:53:05,351 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 306 mSDsluCounter, 622 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 14:53:05,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 684 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 14:53:05,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1319 states. [2024-11-13 14:53:05,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1319 to 1261. [2024-11-13 14:53:05,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1109 states have (on average 1.2100991884580703) internal successors, (1342), 1122 states have internal predecessors, (1342), 119 states have call successors, (119), 20 states have call predecessors, (119), 20 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-13 14:53:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1580 transitions. [2024-11-13 14:53:05,503 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1580 transitions. Word has length 139 [2024-11-13 14:53:05,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:53:05,503 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1580 transitions. [2024-11-13 14:53:05,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 6.875) internal successors, (165), 24 states have internal predecessors, (165), 9 states have call successors, (39), 6 states have call predecessors, (39), 6 states have return successors, (39), 9 states have call predecessors, (39), 9 states have call successors, (39) [2024-11-13 14:53:05,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1580 transitions. [2024-11-13 14:53:05,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-13 14:53:05,505 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:53:05,505 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-13 14:53:05,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-13 14:53:05,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:53:05,709 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:53:05,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:53:05,710 INFO L85 PathProgramCache]: Analyzing trace with hash -258769857, now seen corresponding path program 3 times [2024-11-13 14:53:05,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:53:05,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061893167] [2024-11-13 14:53:05,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:53:05,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:53:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:53:05,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798926135] [2024-11-13 14:53:05,736 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 14:53:05,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:53:05,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:53:05,738 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:53:05,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-13 14:53:05,818 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-13 14:53:05,818 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:53:05,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 14:53:05,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:53:48,357 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:00,373 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:12,416 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:28,440 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:36,448 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:44,457 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:52,506 WARN L286 SmtUtils]: Spent 8.05s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:54:56,514 WARN L851 $PredicateComparison]: unable to prove that (and (= 0 |c_ULTIMATE.start_main_~q~0#1|) (<= 0 |c_ULTIMATE.start_main_~r~0#1|) (<= |c_ULTIMATE.start_main_~r~0#1| 4294967295) (let ((.cse3 (* |c_ULTIMATE.start_main_~p~0#1| (mod |c_ULTIMATE.start_main_~B~0#1| 4294967296)))) (let ((.cse2 (+ 1 .cse3)) (.cse0 (= (mod .cse3 2) 0)) (.cse1 (div .cse3 2))) (or (and (not .cse0) (= (+ 1 .cse1) |c_ULTIMATE.start_main_~d~0#1|) (<= .cse2 0)) (and (or (< 0 .cse2) .cse0) (= |c_ULTIMATE.start_main_~d~0#1| .cse1))))) (= (mod |c_ULTIMATE.start_main_~p~0#1| 2) 0)) is different from false [2024-11-13 14:55:12,549 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 11 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:55:24,562 WARN L286 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:55:36,584 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:55:52,612 WARN L286 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 9 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:56:00,624 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:56:08,633 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:56:16,642 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:56:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2024-11-13 14:56:16,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:56:18,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:56:18,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061893167] [2024-11-13 14:56:18,500 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:56:18,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798926135] [2024-11-13 14:56:18,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798926135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:56:18,500 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:56:18,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-13 14:56:18,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99673170] [2024-11-13 14:56:18,500 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:56:18,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:56:18,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:56:18,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:56:18,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=4, NotChecked=32, Total=342 [2024-11-13 14:56:18,501 INFO L87 Difference]: Start difference. First operand 1261 states and 1580 transitions. Second operand has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 14:56:23,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:56:23,800 INFO L93 Difference]: Finished difference Result 1438 states and 1812 transitions. [2024-11-13 14:56:23,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 14:56:23,800 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) Word has length 140 [2024-11-13 14:56:23,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:56:23,804 INFO L225 Difference]: With dead ends: 1438 [2024-11-13 14:56:23,804 INFO L226 Difference]: Without dead ends: 1437 [2024-11-13 14:56:23,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 25.4s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=4, NotChecked=42, Total=552 [2024-11-13 14:56:23,805 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 83 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 162 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 14:56:23,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 270 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 388 Invalid, 0 Unknown, 162 Unchecked, 1.0s Time] [2024-11-13 14:56:23,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1437 states. [2024-11-13 14:56:23,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1437 to 1367. [2024-11-13 14:56:23,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 1205 states have (on average 1.2165975103734439) internal successors, (1466), 1217 states have internal predecessors, (1466), 129 states have call successors, (129), 20 states have call predecessors, (129), 20 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-13 14:56:23,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1724 transitions. [2024-11-13 14:56:23,944 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1724 transitions. Word has length 140 [2024-11-13 14:56:23,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:56:23,944 INFO L471 AbstractCegarLoop]: Abstraction has 1367 states and 1724 transitions. [2024-11-13 14:56:23,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.75) internal successors, (57), 13 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-13 14:56:23,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1724 transitions. [2024-11-13 14:56:23,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-13 14:56:23,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:56:23,946 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2024-11-13 14:56:23,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-13 14:56:24,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-13 14:56:24,150 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:56:24,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:56:24,152 INFO L85 PathProgramCache]: Analyzing trace with hash 430273569, now seen corresponding path program 2 times [2024-11-13 14:56:24,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:56:24,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223042105] [2024-11-13 14:56:24,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:56:24,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:56:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:56:24,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2121474142] [2024-11-13 14:56:24,188 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 14:56:24,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:56:24,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:56:24,190 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:56:24,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-13 14:56:24,286 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 14:56:24,286 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:56:24,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-13 14:56:24,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:56:25,302 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-13 14:56:25,302 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:56:26,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:56:26,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223042105] [2024-11-13 14:56:26,629 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:56:26,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121474142] [2024-11-13 14:56:26,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121474142] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:56:26,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:56:26,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-13 14:56:26,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794112477] [2024-11-13 14:56:26,630 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:56:26,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:56:26,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:56:26,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:56:26,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:56:26,631 INFO L87 Difference]: Start difference. First operand 1367 states and 1724 transitions. Second operand has 13 states, 12 states have (on average 6.25) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-13 14:56:27,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:56:27,505 INFO L93 Difference]: Finished difference Result 1377 states and 1734 transitions. [2024-11-13 14:56:27,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 14:56:27,506 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.25) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 142 [2024-11-13 14:56:27,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:56:27,510 INFO L225 Difference]: With dead ends: 1377 [2024-11-13 14:56:27,510 INFO L226 Difference]: Without dead ends: 1376 [2024-11-13 14:56:27,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2024-11-13 14:56:27,511 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 47 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 913 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 917 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:56:27,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 533 Invalid, 917 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 913 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 14:56:27,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2024-11-13 14:56:27,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1367. [2024-11-13 14:56:27,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1367 states, 1205 states have (on average 1.2157676348547717) internal successors, (1465), 1217 states have internal predecessors, (1465), 129 states have call successors, (129), 20 states have call predecessors, (129), 20 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-13 14:56:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1367 states and 1723 transitions. [2024-11-13 14:56:27,655 INFO L78 Accepts]: Start accepts. Automaton has 1367 states and 1723 transitions. Word has length 142 [2024-11-13 14:56:27,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:56:27,655 INFO L471 AbstractCegarLoop]: Abstraction has 1367 states and 1723 transitions. [2024-11-13 14:56:27,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.25) internal successors, (75), 13 states have internal predecessors, (75), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-13 14:56:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1723 transitions. [2024-11-13 14:56:27,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-13 14:56:27,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:56:27,657 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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] [2024-11-13 14:56:27,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-13 14:56:27,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:56:27,857 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:56:27,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:56:27,858 INFO L85 PathProgramCache]: Analyzing trace with hash -53250057, now seen corresponding path program 4 times [2024-11-13 14:56:27,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:56:27,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648665714] [2024-11-13 14:56:27,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:56:27,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:56:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:56:27,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [365579590] [2024-11-13 14:56:27,890 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-13 14:56:27,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:56:27,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:56:27,892 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:56:27,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-13 14:56:27,983 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-13 14:56:27,983 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:56:27,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 14:56:27,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:56:28,780 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 14:56:28,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:56:29,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:56:29,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648665714] [2024-11-13 14:56:29,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:56:29,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365579590] [2024-11-13 14:56:29,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365579590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:56:29,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:56:29,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-13 14:56:29,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204473992] [2024-11-13 14:56:29,147 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:56:29,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 14:56:29,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:56:29,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 14:56:29,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2024-11-13 14:56:29,148 INFO L87 Difference]: Start difference. First operand 1367 states and 1723 transitions. Second operand has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-13 14:56:29,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:56:29,992 INFO L93 Difference]: Finished difference Result 1409 states and 1774 transitions. [2024-11-13 14:56:29,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 14:56:29,993 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 144 [2024-11-13 14:56:29,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:56:29,998 INFO L225 Difference]: With dead ends: 1409 [2024-11-13 14:56:29,998 INFO L226 Difference]: Without dead ends: 1408 [2024-11-13 14:56:29,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=198, Unknown=0, NotChecked=0, Total=272 [2024-11-13 14:56:29,999 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 69 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:56:29,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 477 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 14:56:30,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2024-11-13 14:56:30,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1361. [2024-11-13 14:56:30,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1361 states, 1199 states have (on average 1.2085070892410341) internal successors, (1449), 1212 states have internal predecessors, (1449), 129 states have call successors, (129), 20 states have call predecessors, (129), 20 states have return successors, (129), 128 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-13 14:56:30,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1361 states to 1361 states and 1707 transitions. [2024-11-13 14:56:30,193 INFO L78 Accepts]: Start accepts. Automaton has 1361 states and 1707 transitions. Word has length 144 [2024-11-13 14:56:30,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:56:30,195 INFO L471 AbstractCegarLoop]: Abstraction has 1361 states and 1707 transitions. [2024-11-13 14:56:30,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.833333333333333) internal successors, (82), 13 states have internal predecessors, (82), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-13 14:56:30,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1707 transitions. [2024-11-13 14:56:30,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-13 14:56:30,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:56:30,198 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 14:56:30,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-13 14:56:30,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:56:30,402 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 14:56:30,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:56:30,402 INFO L85 PathProgramCache]: Analyzing trace with hash 366305753, now seen corresponding path program 3 times [2024-11-13 14:56:30,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:56:30,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125364784] [2024-11-13 14:56:30,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:56:30,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:56:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:56:30,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [811670459] [2024-11-13 14:56:30,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-13 14:56:30,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:56:30,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:56:30,436 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:56:30,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-13 14:56:30,524 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-13 14:56:30,524 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 14:56:30,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 14:56:30,534 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:56:32,222 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 14:56:32,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:57:22,283 WARN L286 SmtUtils]: Spent 5.82s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:57:37,213 WARN L286 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:05,865 WARN L286 SmtUtils]: Spent 7.74s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 14:58:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-13 14:58:16,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:58:16,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125364784] [2024-11-13 14:58:16,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:58:16,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811670459] [2024-11-13 14:58:16,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811670459] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:58:16,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:58:16,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 27 [2024-11-13 14:58:16,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438698698] [2024-11-13 14:58:16,266 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 14:58:16,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 14:58:16,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:58:16,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 14:58:16,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=566, Unknown=0, NotChecked=0, Total=756 [2024-11-13 14:58:16,267 INFO L87 Difference]: Start difference. First operand 1361 states and 1707 transitions. Second operand has 28 states, 27 states have (on average 6.074074074074074) internal successors, (164), 28 states have internal predecessors, (164), 8 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) [2024-11-13 14:58:32,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:58:34,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:58:45,040 WARN L286 SmtUtils]: Spent 9.08s on a formula simplification. DAG size of input: 141 DAG size of output: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 14:58:51,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:59:04,609 WARN L286 SmtUtils]: Spent 12.14s on a formula simplification. DAG size of input: 203 DAG size of output: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 14:59:06,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:59:07,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:59:15,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:59:16,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:59:24,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:59:27,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.55s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:59:31,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:59:32,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:59:44,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:59:50,401 WARN L286 SmtUtils]: Spent 5.82s on a formula simplification. DAG size of input: 166 DAG size of output: 78 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 14:59:57,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:00:03,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:00:17,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:00:17,557 INFO L93 Difference]: Finished difference Result 1694 states and 2126 transitions. [2024-11-13 15:00:17,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-13 15:00:17,558 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 6.074074074074074) internal successors, (164), 28 states have internal predecessors, (164), 8 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) Word has length 146 [2024-11-13 15:00:17,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:00:17,562 INFO L225 Difference]: With dead ends: 1694 [2024-11-13 15:00:17,563 INFO L226 Difference]: Without dead ends: 1277 [2024-11-13 15:00:17,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 71.0s TimeCoverageRelationStatistics Valid=668, Invalid=1781, Unknown=1, NotChecked=0, Total=2450 [2024-11-13 15:00:17,564 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 696 mSDsluCounter, 900 mSDsCounter, 0 mSdLazyCounter, 2180 mSolverCounterSat, 145 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 979 SdHoareTripleChecker+Invalid, 2326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 2180 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:00:17,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 979 Invalid, 2326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 2180 Invalid, 1 Unknown, 0 Unchecked, 53.7s Time] [2024-11-13 15:00:17,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2024-11-13 15:00:17,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1204. [2024-11-13 15:00:17,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1204 states, 1056 states have (on average 1.2054924242424243) internal successors, (1273), 1068 states have internal predecessors, (1273), 115 states have call successors, (115), 20 states have call predecessors, (115), 20 states have return successors, (115), 115 states have call predecessors, (115), 115 states have call successors, (115) [2024-11-13 15:00:17,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1503 transitions. [2024-11-13 15:00:17,702 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1503 transitions. Word has length 146 [2024-11-13 15:00:17,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:00:17,702 INFO L471 AbstractCegarLoop]: Abstraction has 1204 states and 1503 transitions. [2024-11-13 15:00:17,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 6.074074074074074) internal successors, (164), 28 states have internal predecessors, (164), 8 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) [2024-11-13 15:00:17,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1503 transitions. [2024-11-13 15:00:17,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-13 15:00:17,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:00:17,704 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:00:17,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-13 15:00:17,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-13 15:00:17,905 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 15:00:17,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:00:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash -67862562, now seen corresponding path program 1 times [2024-11-13 15:00:17,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:00:17,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695575595] [2024-11-13 15:00:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:00:17,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:00:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:00:17,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [436932074] [2024-11-13 15:00:17,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:00:17,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:00:17,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:00:17,940 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:00:17,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-13 15:00:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:18,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-13 15:00:18,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:00:18,687 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 42 proven. 78 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-13 15:00:18,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:00:18,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:00:18,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695575595] [2024-11-13 15:00:18,990 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:00:18,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436932074] [2024-11-13 15:00:18,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436932074] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:00:18,990 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:00:18,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2024-11-13 15:00:18,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952630550] [2024-11-13 15:00:18,991 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:00:18,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-13 15:00:18,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:00:18,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-13 15:00:18,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=365, Unknown=0, NotChecked=0, Total=462 [2024-11-13 15:00:18,992 INFO L87 Difference]: Start difference. First operand 1204 states and 1503 transitions. Second operand has 17 states, 16 states have (on average 5.4375) internal successors, (87), 16 states have internal predecessors, (87), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-13 15:00:19,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:00:19,950 INFO L93 Difference]: Finished difference Result 1332 states and 1665 transitions. [2024-11-13 15:00:19,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 15:00:19,951 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 5.4375) internal successors, (87), 16 states have internal predecessors, (87), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) Word has length 156 [2024-11-13 15:00:19,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:00:19,955 INFO L225 Difference]: With dead ends: 1332 [2024-11-13 15:00:19,955 INFO L226 Difference]: Without dead ends: 1021 [2024-11-13 15:00:19,956 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=648, Unknown=0, NotChecked=0, Total=812 [2024-11-13 15:00:19,956 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 75 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 15:00:19,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 465 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 15:00:19,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2024-11-13 15:00:20,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1018. [2024-11-13 15:00:20,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 885 states have (on average 1.207909604519774) internal successors, (1069), 897 states have internal predecessors, (1069), 101 states have call successors, (101), 19 states have call predecessors, (101), 19 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-13 15:00:20,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1271 transitions. [2024-11-13 15:00:20,073 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1271 transitions. Word has length 156 [2024-11-13 15:00:20,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:00:20,073 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1271 transitions. [2024-11-13 15:00:20,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 5.4375) internal successors, (87), 16 states have internal predecessors, (87), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-13 15:00:20,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1271 transitions. [2024-11-13 15:00:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-13 15:00:20,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:00:20,075 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:00:20,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-13 15:00:20,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-13 15:00:20,275 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 15:00:20,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:00:20,275 INFO L85 PathProgramCache]: Analyzing trace with hash -2103739287, now seen corresponding path program 1 times [2024-11-13 15:00:20,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:00:20,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036966987] [2024-11-13 15:00:20,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:00:20,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:00:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:00:20,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [965690616] [2024-11-13 15:00:20,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:00:20,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:00:20,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:00:20,306 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:00:20,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-13 15:00:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:20,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 15:00:20,408 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:00:21,672 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 42 proven. 78 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-13 15:00:21,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:00:23,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:00:23,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036966987] [2024-11-13 15:00:23,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:00:23,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965690616] [2024-11-13 15:00:23,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965690616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:00:23,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:00:23,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2024-11-13 15:00:23,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160723412] [2024-11-13 15:00:23,614 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 15:00:23,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-13 15:00:23,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:00:23,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-13 15:00:23,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=608, Unknown=0, NotChecked=0, Total=812 [2024-11-13 15:00:23,615 INFO L87 Difference]: Start difference. First operand 1018 states and 1271 transitions. Second operand has 19 states, 18 states have (on average 4.888888888888889) internal successors, (88), 18 states have internal predecessors, (88), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-13 15:00:24,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:00:24,746 INFO L93 Difference]: Finished difference Result 1030 states and 1283 transitions. [2024-11-13 15:00:24,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 15:00:24,746 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 4.888888888888889) internal successors, (88), 18 states have internal predecessors, (88), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) Word has length 157 [2024-11-13 15:00:24,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:00:24,750 INFO L225 Difference]: With dead ends: 1030 [2024-11-13 15:00:24,750 INFO L226 Difference]: Without dead ends: 1029 [2024-11-13 15:00:24,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=224, Invalid=706, Unknown=0, NotChecked=0, Total=930 [2024-11-13 15:00:24,751 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 22 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 1205 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 1209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 15:00:24,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 667 Invalid, 1209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1205 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 15:00:24,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2024-11-13 15:00:24,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1019. [2024-11-13 15:00:24,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 886 states have (on average 1.2076749435665914) internal successors, (1070), 898 states have internal predecessors, (1070), 101 states have call successors, (101), 19 states have call predecessors, (101), 19 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2024-11-13 15:00:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1272 transitions. [2024-11-13 15:00:24,875 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1272 transitions. Word has length 157 [2024-11-13 15:00:24,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:00:24,876 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1272 transitions. [2024-11-13 15:00:24,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 4.888888888888889) internal successors, (88), 18 states have internal predecessors, (88), 6 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (15), 7 states have call predecessors, (15), 6 states have call successors, (15) [2024-11-13 15:00:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1272 transitions. [2024-11-13 15:00:24,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-13 15:00:24,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:00:24,877 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 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, 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] [2024-11-13 15:00:24,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-13 15:00:25,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-13 15:00:25,077 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-13 15:00:25,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:00:25,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1236145995, now seen corresponding path program 1 times [2024-11-13 15:00:25,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:00:25,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401014083] [2024-11-13 15:00:25,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:00:25,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:00:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 15:00:25,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2032677026] [2024-11-13 15:00:25,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:00:25,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:00:25,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:00:25,117 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:00:25,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d40082ea-9de7-418f-adfe-01b62d358696/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-13 15:00:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:00:25,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-13 15:00:25,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:00:26,864 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 15:00:26,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 15:00:49,289 WARN L286 SmtUtils]: Spent 6.15s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:00:58,901 WARN L286 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:01:10,477 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:01:25,133 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:01:47,445 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:01:54,351 WARN L286 SmtUtils]: Spent 6.44s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:02:10,953 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:02:26,426 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-13 15:02:37,236 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2024-11-13 15:02:37,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:02:37,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401014083] [2024-11-13 15:02:37,237 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 15:02:37,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032677026] [2024-11-13 15:02:37,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2032677026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 15:02:37,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 15:02:37,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2024-11-13 15:02:37,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881774709] [2024-11-13 15:02:37,237 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 15:02:37,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 15:02:37,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:02:37,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 15:02:37,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=459, Unknown=0, NotChecked=0, Total=650 [2024-11-13 15:02:37,238 INFO L87 Difference]: Start difference. First operand 1019 states and 1272 transitions. Second operand has 26 states, 25 states have (on average 6.72) internal successors, (168), 26 states have internal predecessors, (168), 12 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 12 states have call predecessors, (30), 12 states have call successors, (30) [2024-11-13 15:03:47,440 WARN L286 SmtUtils]: Spent 1.15m on a formula simplification. DAG size of input: 181 DAG size of output: 176 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:03:50,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:04:01,848 WARN L286 SmtUtils]: Spent 10.98s on a formula simplification. DAG size of input: 94 DAG size of output: 83 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:04:06,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:04:09,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:05:21,481 WARN L286 SmtUtils]: Spent 1.10m on a formula simplification. DAG size of input: 170 DAG size of output: 166 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:05:38,534 WARN L286 SmtUtils]: Spent 15.94s on a formula simplification. DAG size of input: 100 DAG size of output: 89 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 15:05:42,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:05:47,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:05:51,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:05:58,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 15:06:02,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []