./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/LexIndexValue-Array-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/LexIndexValue-Array-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d69e4513fb8989bf305d8f9ce21862e8623f2a3d0c8146e8e7fb7e8c658a7eff --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:17:16,233 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:17:16,321 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:17:16,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:17:16,332 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:17:16,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:17:16,372 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:17:16,372 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:17:16,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:17:16,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:17:16,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:17:16,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:17:16,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:17:16,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:17:16,380 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:17:16,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:17:16,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:17:16,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:17:16,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:17:16,387 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:17:16,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:17:16,388 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:17:16,388 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:17:16,388 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:17:16,389 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:17:16,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:17:16,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:17:16,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:17:16,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:17:16,400 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:17:16,401 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:17:16,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:16,402 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:17:16,402 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:17:16,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:17:16,403 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:17:16,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:17:16,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:17:16,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:17:16,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:17:16,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:17:16,406 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d69e4513fb8989bf305d8f9ce21862e8623f2a3d0c8146e8e7fb7e8c658a7eff [2024-10-31 22:17:16,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:17:16,769 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:17:16,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:17:16,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:17:16,774 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:17:16,776 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-crafted/LexIndexValue-Array-1.c Unable to find full path for "g++" [2024-10-31 22:17:18,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:17:19,186 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:17:19,189 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/sv-benchmarks/c/termination-crafted/LexIndexValue-Array-1.c [2024-10-31 22:17:19,199 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/data/9f24115ef/826cace4a80c4ee0a59cf439f6fd53a8/FLAGf6b5e5f21 [2024-10-31 22:17:19,220 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/data/9f24115ef/826cace4a80c4ee0a59cf439f6fd53a8 [2024-10-31 22:17:19,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:17:19,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:17:19,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:19,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:17:19,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:17:19,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45956454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19, skipping insertion in model container [2024-10-31 22:17:19,238 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,261 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:17:19,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:19,464 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:17:19,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:17:19,500 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:17:19,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19 WrapperNode [2024-10-31 22:17:19,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:17:19,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:19,502 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:17:19,502 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:17:19,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,543 INFO L138 Inliner]: procedures = 8, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2024-10-31 22:17:19,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:17:19,544 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:17:19,544 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:17:19,544 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:17:19,558 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,558 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,572 INFO L175 MemorySlicer]: Split 4 memory accesses to 1 slices as follows [4]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-10-31 22:17:19,573 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,573 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,587 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:17:19,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:17:19,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:17:19,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:17:19,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (1/1) ... [2024-10-31 22:17:19,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:17:19,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:19,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:17:19,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:17:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:17:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:17:19,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:17:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:17:19,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:17:19,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:17:19,750 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:17:19,752 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:17:19,906 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2024-10-31 22:17:19,906 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:17:19,919 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:17:19,919 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-31 22:17:19,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:19 BoogieIcfgContainer [2024-10-31 22:17:19,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:17:19,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:17:19,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:17:19,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:17:19,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:17:19" (1/3) ... [2024-10-31 22:17:19,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d02ac9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:19, skipping insertion in model container [2024-10-31 22:17:19,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:17:19" (2/3) ... [2024-10-31 22:17:19,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d02ac9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:17:19, skipping insertion in model container [2024-10-31 22:17:19,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:17:19" (3/3) ... [2024-10-31 22:17:19,930 INFO L112 eAbstractionObserver]: Analyzing ICFG LexIndexValue-Array-1.c [2024-10-31 22:17:19,953 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:17:19,953 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-10-31 22:17:20,037 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:17:20,044 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;@67192937, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:17:20,044 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-10-31 22:17:20,049 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:20,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-31 22:17:20,057 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:20,058 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-31 22:17:20,059 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:20,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:20,065 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2024-10-31 22:17:20,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:20,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779230114] [2024-10-31 22:17:20,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:20,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:20,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:20,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:20,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:20,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779230114] [2024-10-31 22:17:20,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779230114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:20,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:20,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:20,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664342330] [2024-10-31 22:17:20,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:20,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:17:20,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:20,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:17:20,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:20,406 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:20,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:20,500 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2024-10-31 22:17:20,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:17:20,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-10-31 22:17:20,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:20,512 INFO L225 Difference]: With dead ends: 48 [2024-10-31 22:17:20,512 INFO L226 Difference]: Without dead ends: 25 [2024-10-31 22:17:20,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:20,521 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:20,522 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 64 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:20,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-31 22:17:20,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-31 22:17:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 24 states have internal predecessors, (28), 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) [2024-10-31 22:17:20,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-10-31 22:17:20,564 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 5 [2024-10-31 22:17:20,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:20,565 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-10-31 22:17:20,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:20,565 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-10-31 22:17:20,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-31 22:17:20,566 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:20,566 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-10-31 22:17:20,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:17:20,567 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:20,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:20,568 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2024-10-31 22:17:20,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:20,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401940078] [2024-10-31 22:17:20,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:20,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:20,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:20,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:20,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401940078] [2024-10-31 22:17:20,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401940078] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:20,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033978394] [2024-10-31 22:17:20,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:20,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:20,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:20,828 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:20,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:17:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:20,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:17:20,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:21,022 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:17:21,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033978394] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:21,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:17:21,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-10-31 22:17:21,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45350945] [2024-10-31 22:17:21,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:21,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:17:21,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:21,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:17:21,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:17:21,028 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:21,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:21,092 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2024-10-31 22:17:21,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:17:21,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-31 22:17:21,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:21,094 INFO L225 Difference]: With dead ends: 25 [2024-10-31 22:17:21,095 INFO L226 Difference]: Without dead ends: 24 [2024-10-31 22:17:21,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:17:21,097 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 1 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:21,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 63 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:21,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-10-31 22:17:21,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-10-31 22:17:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2024-10-31 22:17:21,102 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 9 [2024-10-31 22:17:21,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:21,103 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions. [2024-10-31 22:17:21,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:21,103 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-10-31 22:17:21,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-31 22:17:21,104 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:21,104 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-10-31 22:17:21,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:21,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:21,305 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:21,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:21,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2024-10-31 22:17:21,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:21,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791924827] [2024-10-31 22:17:21,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:21,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:21,429 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:17:21,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:21,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791924827] [2024-10-31 22:17:21,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791924827] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:21,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:21,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:21,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3038114] [2024-10-31 22:17:21,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:21,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:17:21,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:21,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:17:21,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:21,432 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:21,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:21,458 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-10-31 22:17:21,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:17:21,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-31 22:17:21,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:21,459 INFO L225 Difference]: With dead ends: 24 [2024-10-31 22:17:21,459 INFO L226 Difference]: Without dead ends: 23 [2024-10-31 22:17:21,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:21,461 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 0 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:21,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 50 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:17:21,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-10-31 22:17:21,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 20. [2024-10-31 22:17:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 16 states have (on average 1.4375) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2024-10-31 22:17:21,466 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 10 [2024-10-31 22:17:21,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:21,466 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2024-10-31 22:17:21,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-10-31 22:17:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:17:21,467 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:21,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:21,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:17:21,468 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:21,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:21,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1707960881, now seen corresponding path program 1 times [2024-10-31 22:17:21,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:21,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786374372] [2024-10-31 22:17:21,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:21,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:21,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:21,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786374372] [2024-10-31 22:17:21,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786374372] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:21,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315941665] [2024-10-31 22:17:21,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:21,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:21,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:21,605 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:21,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:17:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:21,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:17:21,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:21,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:21,695 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:21,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315941665] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:21,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:17:21,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-31 22:17:21,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809126893] [2024-10-31 22:17:21,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:21,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-31 22:17:21,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:21,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-31 22:17:21,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:17:21,753 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:21,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:21,795 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2024-10-31 22:17:21,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:17:21,796 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-10-31 22:17:21,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:21,796 INFO L225 Difference]: With dead ends: 41 [2024-10-31 22:17:21,797 INFO L226 Difference]: Without dead ends: 28 [2024-10-31 22:17:21,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:17:21,798 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:21,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 50 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:17:21,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-31 22:17:21,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-31 22:17:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:21,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-10-31 22:17:21,804 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 13 [2024-10-31 22:17:21,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:21,805 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-10-31 22:17:21,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 10 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:21,805 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-10-31 22:17:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-31 22:17:21,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:21,806 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:21,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-31 22:17:22,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-31 22:17:22,007 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:22,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:22,008 INFO L85 PathProgramCache]: Analyzing trace with hash 1608360135, now seen corresponding path program 2 times [2024-10-31 22:17:22,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:22,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382428388] [2024-10-31 22:17:22,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:22,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:22,175 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-31 22:17:22,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:22,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382428388] [2024-10-31 22:17:22,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382428388] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:22,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:22,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:17:22,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26846395] [2024-10-31 22:17:22,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:22,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:17:22,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:22,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:17:22,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:22,178 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-31 22:17:22,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:22,239 INFO L93 Difference]: Finished difference Result 40 states and 45 transitions. [2024-10-31 22:17:22,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:17:22,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 21 [2024-10-31 22:17:22,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:22,241 INFO L225 Difference]: With dead ends: 40 [2024-10-31 22:17:22,241 INFO L226 Difference]: Without dead ends: 38 [2024-10-31 22:17:22,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:17:22,242 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:22,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 35 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:22,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-10-31 22:17:22,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2024-10-31 22:17:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.34375) internal successors, (43), 35 states have internal predecessors, (43), 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) [2024-10-31 22:17:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2024-10-31 22:17:22,249 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 21 [2024-10-31 22:17:22,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:22,249 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2024-10-31 22:17:22,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-31 22:17:22,250 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2024-10-31 22:17:22,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-31 22:17:22,250 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:22,251 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:22,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:17:22,251 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:22,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:22,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1608360327, now seen corresponding path program 1 times [2024-10-31 22:17:22,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:22,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269628936] [2024-10-31 22:17:22,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:22,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:22,409 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-31 22:17:22,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:22,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269628936] [2024-10-31 22:17:22,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269628936] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:17:22,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:17:22,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:17:22,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414044957] [2024-10-31 22:17:22,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:17:22,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:17:22,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:22,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:17:22,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:17:22,413 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-10-31 22:17:22,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:22,462 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2024-10-31 22:17:22,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:17:22,463 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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 21 [2024-10-31 22:17:22,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:22,464 INFO L225 Difference]: With dead ends: 36 [2024-10-31 22:17:22,464 INFO L226 Difference]: Without dead ends: 35 [2024-10-31 22:17:22,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:17:22,466 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 7 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:22,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 39 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:17:22,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-10-31 22:17:22,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-10-31 22:17:22,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.28125) internal successors, (41), 34 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:22,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 41 transitions. [2024-10-31 22:17:22,477 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 41 transitions. Word has length 21 [2024-10-31 22:17:22,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:22,478 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 41 transitions. [2024-10-31 22:17:22,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 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) [2024-10-31 22:17:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 41 transitions. [2024-10-31 22:17:22,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-31 22:17:22,480 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:22,480 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:22,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:17:22,480 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:22,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:22,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1680437336, now seen corresponding path program 1 times [2024-10-31 22:17:22,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:22,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949749538] [2024-10-31 22:17:22,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:22,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:22,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:22,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949749538] [2024-10-31 22:17:22,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949749538] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:22,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1667478666] [2024-10-31 22:17:22,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:22,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:22,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:22,666 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:22,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:17:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:22,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:17:22,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:22,816 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:22,817 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:22,995 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:22,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1667478666] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:22,995 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:17:22,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-10-31 22:17:22,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311950500] [2024-10-31 22:17:22,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:22,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-31 22:17:22,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:22,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-31 22:17:23,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-31 22:17:23,003 INFO L87 Difference]: Start difference. First operand 35 states and 41 transitions. Second operand has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:23,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:23,097 INFO L93 Difference]: Finished difference Result 71 states and 86 transitions. [2024-10-31 22:17:23,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-31 22:17:23,097 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-10-31 22:17:23,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:23,098 INFO L225 Difference]: With dead ends: 71 [2024-10-31 22:17:23,098 INFO L226 Difference]: Without dead ends: 51 [2024-10-31 22:17:23,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-31 22:17:23,100 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:23,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 91 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:23,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-10-31 22:17:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-10-31 22:17:23,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 48 states have (on average 1.1875) internal successors, (57), 50 states have internal predecessors, (57), 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) [2024-10-31 22:17:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2024-10-31 22:17:23,109 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 22 [2024-10-31 22:17:23,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:23,109 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2024-10-31 22:17:23,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.2777777777777777) internal successors, (41), 18 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:17:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2024-10-31 22:17:23,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-10-31 22:17:23,111 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:23,111 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:23,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:23,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:23,312 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:23,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:23,313 INFO L85 PathProgramCache]: Analyzing trace with hash -1845911624, now seen corresponding path program 2 times [2024-10-31 22:17:23,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:23,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019883788] [2024-10-31 22:17:23,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:23,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:23,790 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:23,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:23,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019883788] [2024-10-31 22:17:23,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019883788] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:23,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498217061] [2024-10-31 22:17:23,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:17:23,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:23,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:23,794 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:23,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:17:23,882 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:17:23,882 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:17:23,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 22:17:23,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:23,987 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:24,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498217061] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:24,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:17:24,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-10-31 22:17:24,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369762803] [2024-10-31 22:17:24,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:24,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-10-31 22:17:24,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:24,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-10-31 22:17:24,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-10-31 22:17:24,420 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 34 states have internal predecessors, (73), 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) [2024-10-31 22:17:24,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:24,554 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2024-10-31 22:17:24,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-31 22:17:24,555 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 34 states have internal predecessors, (73), 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 38 [2024-10-31 22:17:24,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:24,556 INFO L225 Difference]: With dead ends: 103 [2024-10-31 22:17:24,556 INFO L226 Difference]: Without dead ends: 83 [2024-10-31 22:17:24,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-10-31 22:17:24,557 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:24,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 137 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:17:24,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-31 22:17:24,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-31 22:17:24,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 80 states have (on average 1.1125) internal successors, (89), 82 states have internal predecessors, (89), 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) [2024-10-31 22:17:24,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 89 transitions. [2024-10-31 22:17:24,573 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 89 transitions. Word has length 38 [2024-10-31 22:17:24,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:24,574 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 89 transitions. [2024-10-31 22:17:24,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.1470588235294117) internal successors, (73), 34 states have internal predecessors, (73), 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) [2024-10-31 22:17:24,574 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 89 transitions. [2024-10-31 22:17:24,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-31 22:17:24,576 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:24,576 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:24,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:24,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-10-31 22:17:24,780 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:24,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:24,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1913036840, now seen corresponding path program 3 times [2024-10-31 22:17:24,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:24,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603239950] [2024-10-31 22:17:24,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:24,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:25,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:25,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603239950] [2024-10-31 22:17:25,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603239950] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:25,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466351719] [2024-10-31 22:17:25,960 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:17:25,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:25,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:25,962 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:25,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:17:26,501 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-10-31 22:17:26,502 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:17:26,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-31 22:17:26,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:26,708 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:28,070 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:28,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466351719] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:28,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:17:28,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 66 [2024-10-31 22:17:28,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213533400] [2024-10-31 22:17:28,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:28,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2024-10-31 22:17:28,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:28,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2024-10-31 22:17:28,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2024-10-31 22:17:28,080 INFO L87 Difference]: Start difference. First operand 83 states and 89 transitions. Second operand has 66 states, 66 states have (on average 2.0757575757575757) internal successors, (137), 66 states have internal predecessors, (137), 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) [2024-10-31 22:17:28,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:28,405 INFO L93 Difference]: Finished difference Result 167 states and 194 transitions. [2024-10-31 22:17:28,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-31 22:17:28,406 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 66 states have (on average 2.0757575757575757) internal successors, (137), 66 states have internal predecessors, (137), 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 70 [2024-10-31 22:17:28,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:28,409 INFO L225 Difference]: With dead ends: 167 [2024-10-31 22:17:28,409 INFO L226 Difference]: Without dead ends: 147 [2024-10-31 22:17:28,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1318 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1122, Invalid=3168, Unknown=0, NotChecked=0, Total=4290 [2024-10-31 22:17:28,415 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:28,416 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 167 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:17:28,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-31 22:17:28,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-10-31 22:17:28,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 144 states have (on average 1.0625) internal successors, (153), 146 states have internal predecessors, (153), 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) [2024-10-31 22:17:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 153 transitions. [2024-10-31 22:17:28,438 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 153 transitions. Word has length 70 [2024-10-31 22:17:28,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:28,442 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 153 transitions. [2024-10-31 22:17:28,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 2.0757575757575757) internal successors, (137), 66 states have internal predecessors, (137), 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) [2024-10-31 22:17:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 153 transitions. [2024-10-31 22:17:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-31 22:17:28,445 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:28,445 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:28,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:17:28,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:28,648 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:28,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:28,656 INFO L85 PathProgramCache]: Analyzing trace with hash 736059416, now seen corresponding path program 4 times [2024-10-31 22:17:28,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:28,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606869490] [2024-10-31 22:17:28,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:28,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:17:32,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:32,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:17:32,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606869490] [2024-10-31 22:17:32,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606869490] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:17:32,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642341619] [2024-10-31 22:17:32,540 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-31 22:17:32,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:17:32,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:17:32,543 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:17:32,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:17:32,748 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-31 22:17:32,748 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:17:32,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-10-31 22:17:32,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:17:33,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:33,156 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:17:37,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:17:37,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642341619] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:17:37,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:17:37,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 130 [2024-10-31 22:17:37,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356929057] [2024-10-31 22:17:37,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:17:37,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 130 states [2024-10-31 22:17:37,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:17:37,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2024-10-31 22:17:37,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-10-31 22:17:37,592 INFO L87 Difference]: Start difference. First operand 147 states and 153 transitions. Second operand has 130 states, 130 states have (on average 2.0384615384615383) internal successors, (265), 130 states have internal predecessors, (265), 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) [2024-10-31 22:17:38,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:17:38,195 INFO L93 Difference]: Finished difference Result 295 states and 338 transitions. [2024-10-31 22:17:38,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2024-10-31 22:17:38,196 INFO L78 Accepts]: Start accepts. Automaton has has 130 states, 130 states have (on average 2.0384615384615383) internal successors, (265), 130 states have internal predecessors, (265), 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 134 [2024-10-31 22:17:38,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:17:38,198 INFO L225 Difference]: With dead ends: 295 [2024-10-31 22:17:38,199 INFO L226 Difference]: Without dead ends: 275 [2024-10-31 22:17:38,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5206 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=4290, Invalid=12480, Unknown=0, NotChecked=0, Total=16770 [2024-10-31 22:17:38,207 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:17:38,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 123 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:17:38,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-10-31 22:17:38,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2024-10-31 22:17:38,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 272 states have (on average 1.0330882352941178) internal successors, (281), 274 states have internal predecessors, (281), 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) [2024-10-31 22:17:38,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 281 transitions. [2024-10-31 22:17:38,257 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 281 transitions. Word has length 134 [2024-10-31 22:17:38,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:17:38,258 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 281 transitions. [2024-10-31 22:17:38,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 130 states, 130 states have (on average 2.0384615384615383) internal successors, (265), 130 states have internal predecessors, (265), 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) [2024-10-31 22:17:38,259 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 281 transitions. [2024-10-31 22:17:38,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-10-31 22:17:38,269 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:17:38,269 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:17:38,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 22:17:38,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9415ab3-f2a8-460d-802a-3dfe9fe3f22b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-31 22:17:38,470 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-10-31 22:17:38,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:17:38,471 INFO L85 PathProgramCache]: Analyzing trace with hash 927293592, now seen corresponding path program 5 times [2024-10-31 22:17:38,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:17:38,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857826913] [2024-10-31 22:17:38,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:17:38,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:17:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat