./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:10:45,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:10:45,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 06:10:45,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:10:45,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:10:45,963 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:10:45,964 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:10:45,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:10:45,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:10:45,965 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:10:45,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:10:45,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:10:45,967 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:10:45,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:10:45,968 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:10:45,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:10:45,969 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:10:45,970 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:10:45,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:10:45,971 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:10:45,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:10:45,972 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:10:45,973 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:10:45,973 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:10:45,974 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 06:10:45,974 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:10:45,975 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:10:45,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:10:45,975 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:10:45,976 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:10:45,976 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:10:45,977 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:10:45,977 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:10:45,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:10:45,978 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:10:45,978 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:10:45,978 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:10:45,978 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:10:45,978 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:10:45,979 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:10:45,979 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:10:45,979 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:10:45,979 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:10:45,980 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:10:45,980 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_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 402079e1c7de243c4e41f5ffecd6596c904161a3f8e591ee220484899b186d55 [2023-11-29 06:10:46,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:10:46,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:10:46,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:10:46,235 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:10:46,236 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:10:46,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2023-11-29 06:10:49,058 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:10:49,226 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:10:49,227 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/sv-benchmarks/c/nla-digbench-scaling/ps5-ll_unwindbound2.c [2023-11-29 06:10:49,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/data/e76a37cd0/e5446d49e7a54bb48a0eb74d1412ff72/FLAG5ff82cd67 [2023-11-29 06:10:49,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/data/e76a37cd0/e5446d49e7a54bb48a0eb74d1412ff72 [2023-11-29 06:10:49,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:10:49,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:10:49,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:10:49,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:10:49,258 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:10:49,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ec1e65c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49, skipping insertion in model container [2023-11-29 06:10:49,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,281 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:10:49,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:10:49,434 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:10:49,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:10:49,468 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:10:49,468 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49 WrapperNode [2023-11-29 06:10:49,469 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:10:49,470 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:10:49,470 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:10:49,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:10:49,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,514 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 135 [2023-11-29 06:10:49,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:10:49,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:10:49,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:10:49,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:10:49,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,530 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,544 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-29 06:10:49,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,556 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:10:49,560 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:10:49,561 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:10:49,561 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:10:49,562 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (1/1) ... [2023-11-29 06:10:49,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:10:49,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:49,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:10:49,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:10:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:10:49,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:10:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:10:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:10:49,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 06:10:49,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 06:10:49,722 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:10:49,724 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:10:50,244 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:10:50,274 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:10:50,274 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 06:10:50,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:10:50 BoogieIcfgContainer [2023-11-29 06:10:50,275 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:10:50,278 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:10:50,278 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:10:50,282 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:10:50,282 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:10:49" (1/3) ... [2023-11-29 06:10:50,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727260f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:10:50, skipping insertion in model container [2023-11-29 06:10:50,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:10:49" (2/3) ... [2023-11-29 06:10:50,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@727260f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:10:50, skipping insertion in model container [2023-11-29 06:10:50,284 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:10:50" (3/3) ... [2023-11-29 06:10:50,285 INFO L112 eAbstractionObserver]: Analyzing ICFG ps5-ll_unwindbound2.c [2023-11-29 06:10:50,306 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:10:50,306 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2023-11-29 06:10:50,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:10:50,370 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@33520240, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:10:50,370 INFO L358 AbstractCegarLoop]: Starting to check reachability of 86 error locations. [2023-11-29 06:10:50,375 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 96 states have (on average 1.9479166666666667) internal successors, (187), 182 states have internal predecessors, (187), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:10:50,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-29 06:10:50,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:50,382 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 06:10:50,382 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:50,387 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:50,387 INFO L85 PathProgramCache]: Analyzing trace with hash 238429960, now seen corresponding path program 1 times [2023-11-29 06:10:50,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:50,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495834526] [2023-11-29 06:10:50,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:50,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:50,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:50,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:50,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495834526] [2023-11-29 06:10:50,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495834526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:50,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:50,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:10:50,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497014669] [2023-11-29 06:10:50,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:50,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 06:10:50,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:50,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 06:10:50,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:10:50,553 INFO L87 Difference]: Start difference. First operand has 187 states, 96 states have (on average 1.9479166666666667) internal successors, (187), 182 states have internal predecessors, (187), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:50,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:50,597 INFO L93 Difference]: Finished difference Result 359 states and 386 transitions. [2023-11-29 06:10:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 06:10:50,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-29 06:10:50,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:50,608 INFO L225 Difference]: With dead ends: 359 [2023-11-29 06:10:50,609 INFO L226 Difference]: Without dead ends: 171 [2023-11-29 06:10:50,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 06:10:50,617 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:50,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:10:50,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-29 06:10:50,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2023-11-29 06:10:50,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 95 states have (on average 1.7789473684210526) internal successors, (169), 167 states have internal predecessors, (169), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:10:50,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2023-11-29 06:10:50,668 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 5 [2023-11-29 06:10:50,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:50,669 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2023-11-29 06:10:50,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:50,669 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2023-11-29 06:10:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-29 06:10:50,670 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:50,670 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 06:10:50,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:10:50,671 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:50,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:50,672 INFO L85 PathProgramCache]: Analyzing trace with hash 238486053, now seen corresponding path program 1 times [2023-11-29 06:10:50,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:50,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876489180] [2023-11-29 06:10:50,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:50,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:50,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:50,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:50,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876489180] [2023-11-29 06:10:50,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876489180] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:50,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:50,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:10:50,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324320164] [2023-11-29 06:10:50,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:50,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:10:50,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:50,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:10:50,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:10:50,786 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:50,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:50,861 INFO L93 Difference]: Finished difference Result 252 states and 254 transitions. [2023-11-29 06:10:50,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 06:10:50,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2023-11-29 06:10:50,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:50,864 INFO L225 Difference]: With dead ends: 252 [2023-11-29 06:10:50,864 INFO L226 Difference]: Without dead ends: 175 [2023-11-29 06:10:50,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:10:50,867 INFO L413 NwaCegarLoop]: 168 mSDtfsCounter, 4 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:50,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 500 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:10:50,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-11-29 06:10:50,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2023-11-29 06:10:50,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 99 states have (on average 1.7474747474747474) internal successors, (173), 171 states have internal predecessors, (173), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:10:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 177 transitions. [2023-11-29 06:10:50,883 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 177 transitions. Word has length 5 [2023-11-29 06:10:50,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:50,884 INFO L495 AbstractCegarLoop]: Abstraction has 175 states and 177 transitions. [2023-11-29 06:10:50,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:50,884 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 177 transitions. [2023-11-29 06:10:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-29 06:10:50,885 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:50,885 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:50,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:10:50,886 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:50,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:50,886 INFO L85 PathProgramCache]: Analyzing trace with hash 862145165, now seen corresponding path program 1 times [2023-11-29 06:10:50,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:50,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764319932] [2023-11-29 06:10:50,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:50,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:50,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:50,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764319932] [2023-11-29 06:10:50,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764319932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:50,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:50,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:10:50,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775326510] [2023-11-29 06:10:50,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:50,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:10:50,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:50,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:10:50,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:50,940 INFO L87 Difference]: Start difference. First operand 175 states and 177 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:51,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:51,387 INFO L93 Difference]: Finished difference Result 319 states and 323 transitions. [2023-11-29 06:10:51,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:10:51,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2023-11-29 06:10:51,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:51,390 INFO L225 Difference]: With dead ends: 319 [2023-11-29 06:10:51,390 INFO L226 Difference]: Without dead ends: 263 [2023-11-29 06:10:51,391 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:51,392 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 90 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:51,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 124 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:10:51,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2023-11-29 06:10:51,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 249. [2023-11-29 06:10:51,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 172 states have (on average 1.5116279069767442) internal successors, (260), 244 states have internal predecessors, (260), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:10:51,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 266 transitions. [2023-11-29 06:10:51,412 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 266 transitions. Word has length 8 [2023-11-29 06:10:51,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:51,412 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 266 transitions. [2023-11-29 06:10:51,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 266 transitions. [2023-11-29 06:10:51,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-29 06:10:51,414 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:51,414 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:51,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:10:51,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:51,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:51,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1590441751, now seen corresponding path program 1 times [2023-11-29 06:10:51,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:51,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790250676] [2023-11-29 06:10:51,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:51,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:51,432 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:51,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [450836054] [2023-11-29 06:10:51,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:51,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:51,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:51,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:51,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:10:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:51,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:10:51,502 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:51,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:51,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:10:51,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:51,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790250676] [2023-11-29 06:10:51,570 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:51,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [450836054] [2023-11-29 06:10:51,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [450836054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:51,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:51,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:10:51,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146878530] [2023-11-29 06:10:51,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:51,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:10:51,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:51,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:10:51,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:51,573 INFO L87 Difference]: Start difference. First operand 249 states and 266 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:51,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:51,630 INFO L93 Difference]: Finished difference Result 249 states and 266 transitions. [2023-11-29 06:10:51,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:10:51,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 36 [2023-11-29 06:10:51,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:51,633 INFO L225 Difference]: With dead ends: 249 [2023-11-29 06:10:51,633 INFO L226 Difference]: Without dead ends: 246 [2023-11-29 06:10:51,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:51,635 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 127 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:51,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 150 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:10:51,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2023-11-29 06:10:51,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 246. [2023-11-29 06:10:51,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 172 states have (on average 1.4825581395348837) internal successors, (255), 241 states have internal predecessors, (255), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:10:51,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 261 transitions. [2023-11-29 06:10:51,653 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 261 transitions. Word has length 36 [2023-11-29 06:10:51,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:51,653 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 261 transitions. [2023-11-29 06:10:51,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:51,654 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 261 transitions. [2023-11-29 06:10:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-29 06:10:51,655 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:51,655 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:51,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:51,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:51,860 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:51,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:51,861 INFO L85 PathProgramCache]: Analyzing trace with hash -2059053912, now seen corresponding path program 1 times [2023-11-29 06:10:51,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:51,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879870442] [2023-11-29 06:10:51,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:51,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:51,873 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:51,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [64437589] [2023-11-29 06:10:51,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:51,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:51,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:51,875 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:51,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:10:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:51,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:10:51,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:51,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:51,984 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:10:51,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:51,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879870442] [2023-11-29 06:10:51,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:51,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64437589] [2023-11-29 06:10:51,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64437589] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:51,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:51,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:10:51,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204501794] [2023-11-29 06:10:51,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:51,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:10:51,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:51,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:10:51,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:51,987 INFO L87 Difference]: Start difference. First operand 246 states and 261 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:52,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:52,083 INFO L93 Difference]: Finished difference Result 271 states and 274 transitions. [2023-11-29 06:10:52,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:10:52,084 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37 [2023-11-29 06:10:52,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:52,087 INFO L225 Difference]: With dead ends: 271 [2023-11-29 06:10:52,087 INFO L226 Difference]: Without dead ends: 269 [2023-11-29 06:10:52,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:52,088 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 66 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 290 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 [2023-11-29 06:10:52,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 290 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:10:52,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2023-11-29 06:10:52,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 246. [2023-11-29 06:10:52,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 172 states have (on average 1.4709302325581395) internal successors, (253), 241 states have internal predecessors, (253), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:10:52,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 259 transitions. [2023-11-29 06:10:52,102 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 259 transitions. Word has length 37 [2023-11-29 06:10:52,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:52,103 INFO L495 AbstractCegarLoop]: Abstraction has 246 states and 259 transitions. [2023-11-29 06:10:52,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:52,103 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 259 transitions. [2023-11-29 06:10:52,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-29 06:10:52,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:52,105 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:52,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:10:52,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:52,313 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:52,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:52,313 INFO L85 PathProgramCache]: Analyzing trace with hash 593838283, now seen corresponding path program 1 times [2023-11-29 06:10:52,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:52,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499397430] [2023-11-29 06:10:52,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:52,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:52,326 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:52,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [229739730] [2023-11-29 06:10:52,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:52,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:52,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:52,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:52,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:10:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:52,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:10:52,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:52,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:52,471 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:10:52,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:52,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499397430] [2023-11-29 06:10:52,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:52,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229739730] [2023-11-29 06:10:52,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229739730] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:52,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:52,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:10:52,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279045365] [2023-11-29 06:10:52,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:52,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:10:52,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:52,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:10:52,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:10:52,487 INFO L87 Difference]: Start difference. First operand 246 states and 259 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:52,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:52,659 INFO L93 Difference]: Finished difference Result 269 states and 272 transitions. [2023-11-29 06:10:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:10:52,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 [2023-11-29 06:10:52,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:52,662 INFO L225 Difference]: With dead ends: 269 [2023-11-29 06:10:52,662 INFO L226 Difference]: Without dead ends: 264 [2023-11-29 06:10:52,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:10:52,663 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 149 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:52,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 227 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:10:52,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2023-11-29 06:10:52,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 249. [2023-11-29 06:10:52,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 175 states have (on average 1.4457142857142857) internal successors, (253), 244 states have internal predecessors, (253), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:10:52,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 259 transitions. [2023-11-29 06:10:52,674 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 259 transitions. Word has length 38 [2023-11-29 06:10:52,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:52,675 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 259 transitions. [2023-11-29 06:10:52,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:52,675 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 259 transitions. [2023-11-29 06:10:52,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 06:10:52,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:52,676 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:52,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:10:52,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 06:10:52,880 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:52,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:52,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1229117706, now seen corresponding path program 1 times [2023-11-29 06:10:52,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:52,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984047518] [2023-11-29 06:10:52,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:52,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:52,892 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:52,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1848023631] [2023-11-29 06:10:52,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:52,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:52,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:52,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:52,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:10:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:52,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:10:52,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:53,047 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:10:53,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:53,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984047518] [2023-11-29 06:10:53,047 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:53,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848023631] [2023-11-29 06:10:53,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848023631] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:53,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:53,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:10:53,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157850340] [2023-11-29 06:10:53,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:53,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:10:53,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:53,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:10:53,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:10:53,050 INFO L87 Difference]: Start difference. First operand 249 states and 259 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:53,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:53,379 INFO L93 Difference]: Finished difference Result 264 states and 277 transitions. [2023-11-29 06:10:53,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:10:53,379 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2023-11-29 06:10:53,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:53,383 INFO L225 Difference]: With dead ends: 264 [2023-11-29 06:10:53,383 INFO L226 Difference]: Without dead ends: 210 [2023-11-29 06:10:53,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:10:53,384 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 142 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:53,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 67 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:10:53,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-11-29 06:10:53,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2023-11-29 06:10:53,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 151 states have (on average 1.4105960264900663) internal successors, (213), 203 states have internal predecessors, (213), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:10:53,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 219 transitions. [2023-11-29 06:10:53,394 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 219 transitions. Word has length 39 [2023-11-29 06:10:53,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:53,394 INFO L495 AbstractCegarLoop]: Abstraction has 208 states and 219 transitions. [2023-11-29 06:10:53,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:10:53,394 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 219 transitions. [2023-11-29 06:10:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-29 06:10:53,396 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:53,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:53,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 06:10:53,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:53,600 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:53,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:53,601 INFO L85 PathProgramCache]: Analyzing trace with hash -396838182, now seen corresponding path program 1 times [2023-11-29 06:10:53,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:53,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983719384] [2023-11-29 06:10:53,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:53,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:53,611 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:53,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1179036507] [2023-11-29 06:10:53,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:53,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:53,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:53,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:53,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:10:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:53,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:10:53,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:53,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:53,734 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:10:53,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:53,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983719384] [2023-11-29 06:10:53,734 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:53,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179036507] [2023-11-29 06:10:53,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179036507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:53,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:53,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:10:53,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958658544] [2023-11-29 06:10:53,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:53,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:10:53,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:53,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:10:53,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:53,737 INFO L87 Difference]: Start difference. First operand 208 states and 219 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:10:53,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:53,753 INFO L93 Difference]: Finished difference Result 208 states and 219 transitions. [2023-11-29 06:10:53,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:10:53,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 48 [2023-11-29 06:10:53,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:53,755 INFO L225 Difference]: With dead ends: 208 [2023-11-29 06:10:53,756 INFO L226 Difference]: Without dead ends: 207 [2023-11-29 06:10:53,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:53,757 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 102 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:53,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 152 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:10:53,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-11-29 06:10:53,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2023-11-29 06:10:53,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 151 states have (on average 1.3973509933774835) internal successors, (211), 202 states have internal predecessors, (211), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:10:53,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 217 transitions. [2023-11-29 06:10:53,767 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 217 transitions. Word has length 48 [2023-11-29 06:10:53,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:53,768 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 217 transitions. [2023-11-29 06:10:53,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:10:53,769 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 217 transitions. [2023-11-29 06:10:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-29 06:10:53,770 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:53,770 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:53,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:10:53,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:53,971 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:53,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:53,971 INFO L85 PathProgramCache]: Analyzing trace with hash 582918377, now seen corresponding path program 1 times [2023-11-29 06:10:53,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:53,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788573803] [2023-11-29 06:10:53,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:53,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:53,984 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:53,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2003482464] [2023-11-29 06:10:53,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:53,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:53,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:53,986 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:53,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 06:10:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:54,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 06:10:54,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:54,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:54,100 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:10:54,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:54,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788573803] [2023-11-29 06:10:54,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:54,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2003482464] [2023-11-29 06:10:54,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2003482464] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:54,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:54,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:10:54,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688624919] [2023-11-29 06:10:54,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:54,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:10:54,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:54,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:10:54,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:54,104 INFO L87 Difference]: Start difference. First operand 207 states and 217 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:10:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:54,122 INFO L93 Difference]: Finished difference Result 208 states and 217 transitions. [2023-11-29 06:10:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:10:54,123 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 49 [2023-11-29 06:10:54,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:54,125 INFO L225 Difference]: With dead ends: 208 [2023-11-29 06:10:54,125 INFO L226 Difference]: Without dead ends: 207 [2023-11-29 06:10:54,125 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:10:54,126 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:54,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 293 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:10:54,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-11-29 06:10:54,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2023-11-29 06:10:54,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 151 states have (on average 1.390728476821192) internal successors, (210), 202 states have internal predecessors, (210), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:10:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 216 transitions. [2023-11-29 06:10:54,134 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 216 transitions. Word has length 49 [2023-11-29 06:10:54,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:54,135 INFO L495 AbstractCegarLoop]: Abstraction has 207 states and 216 transitions. [2023-11-29 06:10:54,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:10:54,135 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 216 transitions. [2023-11-29 06:10:54,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-29 06:10:54,136 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:54,136 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:54,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 06:10:54,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:54,337 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:54,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:54,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1870693805, now seen corresponding path program 1 times [2023-11-29 06:10:54,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:54,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67543388] [2023-11-29 06:10:54,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:54,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:54,351 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:54,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1873117600] [2023-11-29 06:10:54,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:54,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:54,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:54,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:54,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 06:10:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:54,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:10:54,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:54,491 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:10:54,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:54,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67543388] [2023-11-29 06:10:54,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:54,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873117600] [2023-11-29 06:10:54,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873117600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:54,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:54,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:10:54,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065940392] [2023-11-29 06:10:54,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:54,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:10:54,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:54,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:10:54,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:10:54,507 INFO L87 Difference]: Start difference. First operand 207 states and 216 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:10:54,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:54,925 INFO L93 Difference]: Finished difference Result 356 states and 372 transitions. [2023-11-29 06:10:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:10:54,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 53 [2023-11-29 06:10:54,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:54,928 INFO L225 Difference]: With dead ends: 356 [2023-11-29 06:10:54,928 INFO L226 Difference]: Without dead ends: 315 [2023-11-29 06:10:54,929 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:10:54,929 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 100 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:54,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 129 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:10:54,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2023-11-29 06:10:54,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 292. [2023-11-29 06:10:54,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 234 states have (on average 1.3034188034188035) internal successors, (305), 285 states have internal predecessors, (305), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:10:54,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 315 transitions. [2023-11-29 06:10:54,948 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 315 transitions. Word has length 53 [2023-11-29 06:10:54,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:54,948 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 315 transitions. [2023-11-29 06:10:54,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:10:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 315 transitions. [2023-11-29 06:10:54,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-29 06:10:54,950 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:54,950 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:54,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 06:10:55,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:55,156 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:55,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:55,157 INFO L85 PathProgramCache]: Analyzing trace with hash 614294739, now seen corresponding path program 1 times [2023-11-29 06:10:55,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:55,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013774999] [2023-11-29 06:10:55,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:55,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:55,168 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:55,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1668301720] [2023-11-29 06:10:55,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:55,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:55,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:55,170 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:55,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 06:10:55,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:55,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:10:55,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:55,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:55,331 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:10:55,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:55,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013774999] [2023-11-29 06:10:55,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:55,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1668301720] [2023-11-29 06:10:55,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1668301720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:55,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:55,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:10:55,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163820144] [2023-11-29 06:10:55,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:55,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:10:55,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:55,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:10:55,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:10:55,334 INFO L87 Difference]: Start difference. First operand 292 states and 315 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:10:55,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:55,426 INFO L93 Difference]: Finished difference Result 293 states and 315 transitions. [2023-11-29 06:10:55,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:10:55,427 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 59 [2023-11-29 06:10:55,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:55,429 INFO L225 Difference]: With dead ends: 293 [2023-11-29 06:10:55,429 INFO L226 Difference]: Without dead ends: 292 [2023-11-29 06:10:55,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:10:55,430 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 42 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:55,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 242 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:10:55,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2023-11-29 06:10:55,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2023-11-29 06:10:55,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 234 states have (on average 1.2991452991452992) internal successors, (304), 285 states have internal predecessors, (304), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:10:55,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 314 transitions. [2023-11-29 06:10:55,444 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 314 transitions. Word has length 59 [2023-11-29 06:10:55,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:55,445 INFO L495 AbstractCegarLoop]: Abstraction has 292 states and 314 transitions. [2023-11-29 06:10:55,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:10:55,445 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 314 transitions. [2023-11-29 06:10:55,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 06:10:55,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:55,446 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:55,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 06:10:55,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:55,652 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:55,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:55,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1926726037, now seen corresponding path program 1 times [2023-11-29 06:10:55,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:55,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446878015] [2023-11-29 06:10:55,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:55,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:55,664 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:55,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1107291761] [2023-11-29 06:10:55,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:55,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:55,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:55,666 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:55,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 06:10:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:55,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:10:55,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:55,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:55,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:10:55,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:55,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446878015] [2023-11-29 06:10:55,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:55,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107291761] [2023-11-29 06:10:55,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107291761] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:10:55,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:10:55,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 06:10:55,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238945966] [2023-11-29 06:10:55,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:10:55,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:10:55,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:55,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:10:55,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:10:55,831 INFO L87 Difference]: Start difference. First operand 292 states and 314 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:10:55,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:55,875 INFO L93 Difference]: Finished difference Result 292 states and 314 transitions. [2023-11-29 06:10:55,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:10:55,876 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 61 [2023-11-29 06:10:55,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:55,878 INFO L225 Difference]: With dead ends: 292 [2023-11-29 06:10:55,878 INFO L226 Difference]: Without dead ends: 291 [2023-11-29 06:10:55,878 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-29 06:10:55,879 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 100 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:55,879 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 434 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:10:55,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2023-11-29 06:10:55,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2023-11-29 06:10:55,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 234 states have (on average 1.2905982905982907) internal successors, (302), 284 states have internal predecessors, (302), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:10:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 312 transitions. [2023-11-29 06:10:55,889 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 312 transitions. Word has length 61 [2023-11-29 06:10:55,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:55,889 INFO L495 AbstractCegarLoop]: Abstraction has 291 states and 312 transitions. [2023-11-29 06:10:55,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:10:55,890 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 312 transitions. [2023-11-29 06:10:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-29 06:10:55,891 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:55,891 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:55,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-29 06:10:56,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 06:10:56,092 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:56,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:56,092 INFO L85 PathProgramCache]: Analyzing trace with hash -401034949, now seen corresponding path program 1 times [2023-11-29 06:10:56,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:56,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504412152] [2023-11-29 06:10:56,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:56,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:56,100 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:56,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [793408995] [2023-11-29 06:10:56,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:56,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:56,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,102 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 06:10:56,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:56,159 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:10:56,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:56,255 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:10:56,385 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:56,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:56,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504412152] [2023-11-29 06:10:56,386 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:56,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793408995] [2023-11-29 06:10:56,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793408995] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:10:56,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:10:56,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2023-11-29 06:10:56,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770443122] [2023-11-29 06:10:56,387 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:10:56,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 06:10:56,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:56,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 06:10:56,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:10:56,388 INFO L87 Difference]: Start difference. First operand 291 states and 312 transitions. Second operand has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:10:56,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:56,540 INFO L93 Difference]: Finished difference Result 527 states and 544 transitions. [2023-11-29 06:10:56,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 06:10:56,540 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 62 [2023-11-29 06:10:56,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:56,544 INFO L225 Difference]: With dead ends: 527 [2023-11-29 06:10:56,544 INFO L226 Difference]: Without dead ends: 480 [2023-11-29 06:10:56,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-11-29 06:10:56,545 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 266 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:56,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 1215 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:10:56,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2023-11-29 06:10:56,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 412. [2023-11-29 06:10:56,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 350 states have (on average 1.3571428571428572) internal successors, (475), 401 states have internal predecessors, (475), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 06:10:56,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 489 transitions. [2023-11-29 06:10:56,565 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 489 transitions. Word has length 62 [2023-11-29 06:10:56,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:56,565 INFO L495 AbstractCegarLoop]: Abstraction has 412 states and 489 transitions. [2023-11-29 06:10:56,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 13.333333333333334) internal successors, (120), 10 states have internal predecessors, (120), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:10:56,566 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 489 transitions. [2023-11-29 06:10:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2023-11-29 06:10:56,567 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:56,567 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:56,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 06:10:56,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 06:10:56,768 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:56,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:56,768 INFO L85 PathProgramCache]: Analyzing trace with hash 2123109400, now seen corresponding path program 1 times [2023-11-29 06:10:56,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:56,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47861208] [2023-11-29 06:10:56,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:56,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:56,781 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:56,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [239172161] [2023-11-29 06:10:56,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:56,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:56,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:56,782 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:56,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 06:10:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:56,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:10:56,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:57,159 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:57,159 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:10:57,415 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:57,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:10:57,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47861208] [2023-11-29 06:10:57,415 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:10:57,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239172161] [2023-11-29 06:10:57,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239172161] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:10:57,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:10:57,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-29 06:10:57,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968241484] [2023-11-29 06:10:57,416 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:10:57,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:10:57,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:10:57,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:10:57,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:10:57,418 INFO L87 Difference]: Start difference. First operand 412 states and 489 transitions. Second operand has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:10:58,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:10:58,140 INFO L93 Difference]: Finished difference Result 480 states and 519 transitions. [2023-11-29 06:10:58,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:10:58,141 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 93 [2023-11-29 06:10:58,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:10:58,146 INFO L225 Difference]: With dead ends: 480 [2023-11-29 06:10:58,146 INFO L226 Difference]: Without dead ends: 477 [2023-11-29 06:10:58,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:10:58,147 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 300 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:10:58,147 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 344 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 06:10:58,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2023-11-29 06:10:58,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 432. [2023-11-29 06:10:58,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 370 states have (on average 1.3486486486486486) internal successors, (499), 421 states have internal predecessors, (499), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 06:10:58,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 513 transitions. [2023-11-29 06:10:58,163 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 513 transitions. Word has length 93 [2023-11-29 06:10:58,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:10:58,164 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 513 transitions. [2023-11-29 06:10:58,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 25.285714285714285) internal successors, (177), 8 states have internal predecessors, (177), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:10:58,164 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 513 transitions. [2023-11-29 06:10:58,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-29 06:10:58,165 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:10:58,165 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:10:58,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 06:10:58,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-29 06:10:58,365 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:10:58,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:10:58,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1391882075, now seen corresponding path program 1 times [2023-11-29 06:10:58,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:10:58,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985004128] [2023-11-29 06:10:58,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:58,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:10:58,377 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:10:58,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [698469407] [2023-11-29 06:10:58,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:10:58,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:10:58,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:10:58,379 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:10:58,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 06:10:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:10:58,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:10:58,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:10:58,823 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:10:58,823 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:11:06,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:11:06,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985004128] [2023-11-29 06:11:06,202 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:11:06,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698469407] [2023-11-29 06:11:06,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698469407] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:11:06,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:11:06,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-29 06:11:06,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819750103] [2023-11-29 06:11:06,202 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 06:11:06,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:11:06,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:11:06,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:11:06,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=51, Unknown=1, NotChecked=0, Total=90 [2023-11-29 06:11:06,204 INFO L87 Difference]: Start difference. First operand 432 states and 513 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:11:06,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:06,704 INFO L93 Difference]: Finished difference Result 443 states and 513 transitions. [2023-11-29 06:11:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:11:06,705 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 94 [2023-11-29 06:11:06,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:06,708 INFO L225 Difference]: With dead ends: 443 [2023-11-29 06:11:06,708 INFO L226 Difference]: Without dead ends: 438 [2023-11-29 06:11:06,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=38, Invalid=51, Unknown=1, NotChecked=0, Total=90 [2023-11-29 06:11:06,710 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 111 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:06,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 121 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 06:11:06,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2023-11-29 06:11:06,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 432. [2023-11-29 06:11:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 432 states, 370 states have (on average 1.335135135135135) internal successors, (494), 421 states have internal predecessors, (494), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 06:11:06,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 508 transitions. [2023-11-29 06:11:06,730 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 508 transitions. Word has length 94 [2023-11-29 06:11:06,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:06,730 INFO L495 AbstractCegarLoop]: Abstraction has 432 states and 508 transitions. [2023-11-29 06:11:06,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 06:11:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 508 transitions. [2023-11-29 06:11:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 06:11:06,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:06,732 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:06,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 06:11:06,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 06:11:06,933 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:11:06,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:06,933 INFO L85 PathProgramCache]: Analyzing trace with hash 2117187673, now seen corresponding path program 1 times [2023-11-29 06:11:06,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:11:06,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852194231] [2023-11-29 06:11:06,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:06,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:11:06,942 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:11:06,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2074730640] [2023-11-29 06:11:06,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:06,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:11:06,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:11:06,944 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:11:06,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 06:11:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:06,993 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:11:06,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:07,078 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:11:07,078 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:11:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:11:07,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:11:07,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852194231] [2023-11-29 06:11:07,184 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:11:07,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074730640] [2023-11-29 06:11:07,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074730640] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:11:07,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:11:07,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-29 06:11:07,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188376179] [2023-11-29 06:11:07,185 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:11:07,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:11:07,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:11:07,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:11:07,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:11:07,186 INFO L87 Difference]: Start difference. First operand 432 states and 508 transitions. Second operand has 6 states, 5 states have (on average 38.2) internal successors, (191), 6 states have internal predecessors, (191), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:11:07,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:07,241 INFO L93 Difference]: Finished difference Result 640 states and 683 transitions. [2023-11-29 06:11:07,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:11:07,241 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.2) internal successors, (191), 6 states have internal predecessors, (191), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 105 [2023-11-29 06:11:07,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:07,245 INFO L225 Difference]: With dead ends: 640 [2023-11-29 06:11:07,245 INFO L226 Difference]: Without dead ends: 639 [2023-11-29 06:11:07,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:11:07,246 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 219 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:07,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 663 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:11:07,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2023-11-29 06:11:07,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 471. [2023-11-29 06:11:07,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 471 states, 408 states have (on average 1.3529411764705883) internal successors, (552), 459 states have internal predecessors, (552), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 06:11:07,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 568 transitions. [2023-11-29 06:11:07,260 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 568 transitions. Word has length 105 [2023-11-29 06:11:07,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:07,261 INFO L495 AbstractCegarLoop]: Abstraction has 471 states and 568 transitions. [2023-11-29 06:11:07,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.2) internal successors, (191), 6 states have internal predecessors, (191), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:11:07,261 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 568 transitions. [2023-11-29 06:11:07,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-29 06:11:07,262 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:07,262 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:07,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 06:11:07,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 06:11:07,463 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:11:07,463 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:07,463 INFO L85 PathProgramCache]: Analyzing trace with hash 599418141, now seen corresponding path program 1 times [2023-11-29 06:11:07,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:11:07,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357719597] [2023-11-29 06:11:07,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:07,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:11:07,476 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:11:07,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92040950] [2023-11-29 06:11:07,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:07,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:11:07,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:11:07,477 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:11:07,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 06:11:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:07,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:11:07,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:07,695 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:11:07,695 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:11:07,936 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:11:07,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:11:07,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357719597] [2023-11-29 06:11:07,936 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:11:07,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92040950] [2023-11-29 06:11:07,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92040950] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:11:07,937 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:11:07,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-29 06:11:07,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350640558] [2023-11-29 06:11:07,937 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:11:07,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:11:07,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:11:07,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:11:07,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:11:07,939 INFO L87 Difference]: Start difference. First operand 471 states and 568 transitions. Second operand has 8 states, 7 states have (on average 28.428571428571427) internal successors, (199), 8 states have internal predecessors, (199), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:11:08,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:08,715 INFO L93 Difference]: Finished difference Result 512 states and 574 transitions. [2023-11-29 06:11:08,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:11:08,716 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 28.428571428571427) internal successors, (199), 8 states have internal predecessors, (199), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 109 [2023-11-29 06:11:08,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:08,719 INFO L225 Difference]: With dead ends: 512 [2023-11-29 06:11:08,719 INFO L226 Difference]: Without dead ends: 469 [2023-11-29 06:11:08,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2023-11-29 06:11:08,721 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 527 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 736 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 530 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:08,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [530 Valid, 179 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 736 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 06:11:08,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2023-11-29 06:11:08,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 446. [2023-11-29 06:11:08,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 446 states, 394 states have (on average 1.2055837563451777) internal successors, (475), 435 states have internal predecessors, (475), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 06:11:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 491 transitions. [2023-11-29 06:11:08,743 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 491 transitions. Word has length 109 [2023-11-29 06:11:08,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:08,743 INFO L495 AbstractCegarLoop]: Abstraction has 446 states and 491 transitions. [2023-11-29 06:11:08,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 28.428571428571427) internal successors, (199), 8 states have internal predecessors, (199), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 06:11:08,744 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 491 transitions. [2023-11-29 06:11:08,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-29 06:11:08,746 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:08,746 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:08,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-11-29 06:11:08,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 06:11:08,946 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:11:08,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:08,947 INFO L85 PathProgramCache]: Analyzing trace with hash 639891216, now seen corresponding path program 1 times [2023-11-29 06:11:08,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:11:08,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263653103] [2023-11-29 06:11:08,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:08,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:11:08,958 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:11:08,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [14907750] [2023-11-29 06:11:08,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:08,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:11:08,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:11:08,960 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:11:08,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 06:11:09,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:09,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 06:11:09,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:09,578 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:11:09,579 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:11:10,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:11:10,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263653103] [2023-11-29 06:11:10,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:11:10,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [14907750] [2023-11-29 06:11:10,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [14907750] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:11:10,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:11:10,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 06:11:10,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179980426] [2023-11-29 06:11:10,109 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 06:11:10,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:11:10,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:11:10,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:11:10,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:11:10,111 INFO L87 Difference]: Start difference. First operand 446 states and 491 transitions. Second operand has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 7 states have internal predecessors, (131), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:11:10,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:10,777 INFO L93 Difference]: Finished difference Result 450 states and 494 transitions. [2023-11-29 06:11:10,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 06:11:10,777 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 7 states have internal predecessors, (131), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 143 [2023-11-29 06:11:10,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:10,780 INFO L225 Difference]: With dead ends: 450 [2023-11-29 06:11:10,780 INFO L226 Difference]: Without dead ends: 449 [2023-11-29 06:11:10,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:11:10,781 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 41 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 788 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:10,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 181 Invalid, 788 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 787 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 06:11:10,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2023-11-29 06:11:10,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 447. [2023-11-29 06:11:10,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 395 states have (on average 1.2050632911392405) internal successors, (476), 435 states have internal predecessors, (476), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 06:11:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 492 transitions. [2023-11-29 06:11:10,800 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 492 transitions. Word has length 143 [2023-11-29 06:11:10,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:10,801 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 492 transitions. [2023-11-29 06:11:10,801 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.833333333333332) internal successors, (131), 7 states have internal predecessors, (131), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:11:10,802 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 492 transitions. [2023-11-29 06:11:10,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-11-29 06:11:10,803 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:10,804 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:10,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-29 06:11:11,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 06:11:11,004 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:11:11,004 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:11,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1638208557, now seen corresponding path program 1 times [2023-11-29 06:11:11,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:11:11,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663164445] [2023-11-29 06:11:11,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:11,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:11:11,023 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:11:11,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1557570280] [2023-11-29 06:11:11,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:11,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:11:11,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:11:11,025 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:11:11,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 06:11:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:11,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 06:11:11,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:11,716 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:11:11,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:11:12,107 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:11:12,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:11:12,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663164445] [2023-11-29 06:11:12,108 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:11:12,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557570280] [2023-11-29 06:11:12,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557570280] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:11:12,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:11:12,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 06:11:12,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742946152] [2023-11-29 06:11:12,109 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:11:12,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:11:12,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:11:12,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:11:12,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:11:12,111 INFO L87 Difference]: Start difference. First operand 447 states and 492 transitions. Second operand has 12 states, 11 states have (on average 23.545454545454547) internal successors, (259), 12 states have internal predecessors, (259), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 06:11:15,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:11:20,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:11:20,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:20,502 INFO L93 Difference]: Finished difference Result 495 states and 537 transitions. [2023-11-29 06:11:20,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:11:20,503 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 23.545454545454547) internal successors, (259), 12 states have internal predecessors, (259), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 144 [2023-11-29 06:11:20,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:20,505 INFO L225 Difference]: With dead ends: 495 [2023-11-29 06:11:20,505 INFO L226 Difference]: Without dead ends: 456 [2023-11-29 06:11:20,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=149, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:11:20,506 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 92 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:20,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 208 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1206 Invalid, 1 Unknown, 0 Unchecked, 8.3s Time] [2023-11-29 06:11:20,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2023-11-29 06:11:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 447. [2023-11-29 06:11:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 395 states have (on average 1.2075949367088608) internal successors, (477), 435 states have internal predecessors, (477), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 06:11:20,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 493 transitions. [2023-11-29 06:11:20,520 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 493 transitions. Word has length 144 [2023-11-29 06:11:20,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:20,520 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 493 transitions. [2023-11-29 06:11:20,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 23.545454545454547) internal successors, (259), 12 states have internal predecessors, (259), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 06:11:20,520 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 493 transitions. [2023-11-29 06:11:20,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-29 06:11:20,521 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:20,522 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:20,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 06:11:20,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:11:20,722 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:11:20,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:20,723 INFO L85 PathProgramCache]: Analyzing trace with hash 454231346, now seen corresponding path program 1 times [2023-11-29 06:11:20,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:11:20,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970354156] [2023-11-29 06:11:20,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:20,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:11:20,736 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:11:20,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [862962076] [2023-11-29 06:11:20,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:20,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:11:20,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:11:20,738 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:11:20,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 06:11:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:20,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 06:11:20,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:21,017 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 06:11:21,018 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:11:21,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:11:21,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970354156] [2023-11-29 06:11:21,018 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:11:21,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862962076] [2023-11-29 06:11:21,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862962076] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:11:21,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:11:21,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:11:21,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355788622] [2023-11-29 06:11:21,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:11:21,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:11:21,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:11:21,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:11:21,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:11:21,020 INFO L87 Difference]: Start difference. First operand 447 states and 493 transitions. Second operand has 6 states, 5 states have (on average 28.6) internal successors, (143), 6 states have internal predecessors, (143), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:11:21,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:21,390 INFO L93 Difference]: Finished difference Result 452 states and 493 transitions. [2023-11-29 06:11:21,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:11:21,391 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.6) internal successors, (143), 6 states have internal predecessors, (143), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 150 [2023-11-29 06:11:21,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:21,394 INFO L225 Difference]: With dead ends: 452 [2023-11-29 06:11:21,394 INFO L226 Difference]: Without dead ends: 435 [2023-11-29 06:11:21,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:11:21,395 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 129 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:21,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 105 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:11:21,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2023-11-29 06:11:21,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 430. [2023-11-29 06:11:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 395 states have (on average 1.111392405063291) internal successors, (439), 418 states have internal predecessors, (439), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-11-29 06:11:21,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 455 transitions. [2023-11-29 06:11:21,414 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 455 transitions. Word has length 150 [2023-11-29 06:11:21,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:21,415 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 455 transitions. [2023-11-29 06:11:21,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.6) internal successors, (143), 6 states have internal predecessors, (143), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 06:11:21,415 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 455 transitions. [2023-11-29 06:11:21,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-29 06:11:21,417 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:21,417 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:21,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 06:11:21,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:11:21,618 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:11:21,619 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:21,619 INFO L85 PathProgramCache]: Analyzing trace with hash -249894941, now seen corresponding path program 1 times [2023-11-29 06:11:21,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:11:21,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023116704] [2023-11-29 06:11:21,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:21,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:11:21,637 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:11:21,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1580614573] [2023-11-29 06:11:21,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:21,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:11:21,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:11:21,639 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:11:21,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 06:11:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:21,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 06:11:21,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:11:22,349 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:11:22,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:11:22,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023116704] [2023-11-29 06:11:22,875 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:11:22,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1580614573] [2023-11-29 06:11:22,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1580614573] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:11:22,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:11:22,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-11-29 06:11:22,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725270032] [2023-11-29 06:11:22,876 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 06:11:22,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:11:22,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:11:22,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:11:22,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:11:22,877 INFO L87 Difference]: Start difference. First operand 430 states and 455 transitions. Second operand has 8 states, 7 states have (on average 21.0) internal successors, (147), 8 states have internal predecessors, (147), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:11:23,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:11:23,209 INFO L93 Difference]: Finished difference Result 430 states and 455 transitions. [2023-11-29 06:11:23,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 06:11:23,209 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 21.0) internal successors, (147), 8 states have internal predecessors, (147), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 159 [2023-11-29 06:11:23,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:11:23,212 INFO L225 Difference]: With dead ends: 430 [2023-11-29 06:11:23,212 INFO L226 Difference]: Without dead ends: 393 [2023-11-29 06:11:23,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=134, Unknown=0, NotChecked=0, Total=210 [2023-11-29 06:11:23,214 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 268 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-29 06:11:23,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 93 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-29 06:11:23,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2023-11-29 06:11:23,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2023-11-29 06:11:23,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 360 states have (on average 1.1166666666666667) internal successors, (402), 382 states have internal predecessors, (402), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-29 06:11:23,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 416 transitions. [2023-11-29 06:11:23,233 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 416 transitions. Word has length 159 [2023-11-29 06:11:23,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:11:23,233 INFO L495 AbstractCegarLoop]: Abstraction has 393 states and 416 transitions. [2023-11-29 06:11:23,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 21.0) internal successors, (147), 8 states have internal predecessors, (147), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-29 06:11:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 416 transitions. [2023-11-29 06:11:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-29 06:11:23,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:11:23,235 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:11:23,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-11-29 06:11:23,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 06:11:23,436 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:11:23,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:11:23,437 INFO L85 PathProgramCache]: Analyzing trace with hash 843191648, now seen corresponding path program 1 times [2023-11-29 06:11:23,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:11:23,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657085705] [2023-11-29 06:11:23,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:11:23,453 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:11:23,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2018344906] [2023-11-29 06:11:23,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:11:23,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:11:23,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:11:23,456 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:11:23,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 06:11:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:11:23,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 06:11:23,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:11:24,320 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:11:24,320 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:11:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:11:25,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:11:25,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657085705] [2023-11-29 06:11:25,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:11:25,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018344906] [2023-11-29 06:11:25,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018344906] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:11:25,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:11:25,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2023-11-29 06:11:25,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439690480] [2023-11-29 06:11:25,293 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:11:25,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-29 06:11:25,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:11:25,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-29 06:11:25,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2023-11-29 06:11:25,295 INFO L87 Difference]: Start difference. First operand 393 states and 416 transitions. Second operand has 12 states, 11 states have (on average 26.636363636363637) internal successors, (293), 12 states have internal predecessors, (293), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 06:11:30,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:11:34,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:11:38,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:11:42,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:11:46,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:11:50,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:11:54,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:11:58,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:02,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:03,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:07,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:11,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:15,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:19,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:23,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:27,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 06:12:27,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:12:27,428 INFO L93 Difference]: Finished difference Result 395 states and 418 transitions. [2023-11-29 06:12:27,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 06:12:27,429 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 26.636363636363637) internal successors, (293), 12 states have internal predecessors, (293), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 160 [2023-11-29 06:12:27,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:12:27,431 INFO L225 Difference]: With dead ends: 395 [2023-11-29 06:12:27,431 INFO L226 Difference]: Without dead ends: 344 [2023-11-29 06:12:27,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-29 06:12:27,432 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 527 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 12 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 528 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.7s IncrementalHoareTripleChecker+Time [2023-11-29 06:12:27,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [528 Valid, 185 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 752 Invalid, 15 Unknown, 0 Unchecked, 61.7s Time] [2023-11-29 06:12:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-11-29 06:12:27,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2023-11-29 06:12:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 314 states have (on average 1.124203821656051) internal successors, (353), 334 states have internal predecessors, (353), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-29 06:12:27,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 363 transitions. [2023-11-29 06:12:27,444 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 363 transitions. Word has length 160 [2023-11-29 06:12:27,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:12:27,444 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 363 transitions. [2023-11-29 06:12:27,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 26.636363636363637) internal successors, (293), 12 states have internal predecessors, (293), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 06:12:27,445 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 363 transitions. [2023-11-29 06:12:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-29 06:12:27,446 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:12:27,446 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2023-11-29 06:12:27,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-29 06:12:27,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-29 06:12:27,647 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 83 more)] === [2023-11-29 06:12:27,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:12:27,647 INFO L85 PathProgramCache]: Analyzing trace with hash 378820335, now seen corresponding path program 1 times [2023-11-29 06:12:27,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:12:27,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253939651] [2023-11-29 06:12:27,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:12:27,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:12:27,659 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 06:12:27,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1249541673] [2023-11-29 06:12:27,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:12:27,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:12:27,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:12:27,660 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:12:27,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 06:12:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:12:27,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 06:12:27,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:12:27,883 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:12:27,883 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:12:28,014 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 06:12:28,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:12:28,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253939651] [2023-11-29 06:12:28,015 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 06:12:28,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249541673] [2023-11-29 06:12:28,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249541673] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:12:28,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 06:12:28,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 8 [2023-11-29 06:12:28,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968911430] [2023-11-29 06:12:28,016 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 06:12:28,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 06:12:28,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:12:28,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 06:12:28,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 06:12:28,017 INFO L87 Difference]: Start difference. First operand 344 states and 363 transitions. Second operand has 8 states, 8 states have (on average 20.5) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-29 06:12:28,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:12:28,074 INFO L93 Difference]: Finished difference Result 344 states and 363 transitions. [2023-11-29 06:12:28,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:12:28,075 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 167 [2023-11-29 06:12:28,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:12:28,075 INFO L225 Difference]: With dead ends: 344 [2023-11-29 06:12:28,075 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:12:28,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 321 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:12:28,076 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 8 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:12:28,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 264 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:12:28,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:12:28,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:12:28,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:12:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:12:28,077 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2023-11-29 06:12:28,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:12:28,078 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:12:28,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.5) internal successors, (164), 8 states have internal predecessors, (164), 3 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-29 06:12:28,078 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:12:28,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:12:28,080 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 86 remaining) [2023-11-29 06:12:28,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 86 remaining) [2023-11-29 06:12:28,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 86 remaining) [2023-11-29 06:12:28,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 86 remaining) [2023-11-29 06:12:28,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 86 remaining) [2023-11-29 06:12:28,081 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 86 remaining) [2023-11-29 06:12:28,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 86 remaining) [2023-11-29 06:12:28,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 86 remaining) [2023-11-29 06:12:28,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 86 remaining) [2023-11-29 06:12:28,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 86 remaining) [2023-11-29 06:12:28,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 86 remaining) [2023-11-29 06:12:28,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 86 remaining) [2023-11-29 06:12:28,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 86 remaining) [2023-11-29 06:12:28,082 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 86 remaining) [2023-11-29 06:12:28,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 86 remaining) [2023-11-29 06:12:28,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 86 remaining) [2023-11-29 06:12:28,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 86 remaining) [2023-11-29 06:12:28,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 86 remaining) [2023-11-29 06:12:28,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 86 remaining) [2023-11-29 06:12:28,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 86 remaining) [2023-11-29 06:12:28,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 86 remaining) [2023-11-29 06:12:28,083 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 86 remaining) [2023-11-29 06:12:28,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 86 remaining) [2023-11-29 06:12:28,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 86 remaining) [2023-11-29 06:12:28,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 86 remaining) [2023-11-29 06:12:28,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 86 remaining) [2023-11-29 06:12:28,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 86 remaining) [2023-11-29 06:12:28,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 86 remaining) [2023-11-29 06:12:28,084 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 86 remaining) [2023-11-29 06:12:28,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 86 remaining) [2023-11-29 06:12:28,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 86 remaining) [2023-11-29 06:12:28,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 86 remaining) [2023-11-29 06:12:28,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 86 remaining) [2023-11-29 06:12:28,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 86 remaining) [2023-11-29 06:12:28,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 86 remaining) [2023-11-29 06:12:28,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 86 remaining) [2023-11-29 06:12:28,085 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 86 remaining) [2023-11-29 06:12:28,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 86 remaining) [2023-11-29 06:12:28,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 86 remaining) [2023-11-29 06:12:28,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 86 remaining) [2023-11-29 06:12:28,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 86 remaining) [2023-11-29 06:12:28,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 86 remaining) [2023-11-29 06:12:28,086 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 86 remaining) [2023-11-29 06:12:28,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 86 remaining) [2023-11-29 06:12:28,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 86 remaining) [2023-11-29 06:12:28,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 86 remaining) [2023-11-29 06:12:28,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 86 remaining) [2023-11-29 06:12:28,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 86 remaining) [2023-11-29 06:12:28,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 86 remaining) [2023-11-29 06:12:28,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 86 remaining) [2023-11-29 06:12:28,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 86 remaining) [2023-11-29 06:12:28,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 86 remaining) [2023-11-29 06:12:28,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 86 remaining) [2023-11-29 06:12:28,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 86 remaining) [2023-11-29 06:12:28,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 86 remaining) [2023-11-29 06:12:28,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 86 remaining) [2023-11-29 06:12:28,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 86 remaining) [2023-11-29 06:12:28,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 86 remaining) [2023-11-29 06:12:28,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 86 remaining) [2023-11-29 06:12:28,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 86 remaining) [2023-11-29 06:12:28,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 86 remaining) [2023-11-29 06:12:28,089 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 86 remaining) [2023-11-29 06:12:28,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 86 remaining) [2023-11-29 06:12:28,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 86 remaining) [2023-11-29 06:12:28,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 86 remaining) [2023-11-29 06:12:28,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 86 remaining) [2023-11-29 06:12:28,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 86 remaining) [2023-11-29 06:12:28,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 86 remaining) [2023-11-29 06:12:28,090 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 86 remaining) [2023-11-29 06:12:28,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 86 remaining) [2023-11-29 06:12:28,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 86 remaining) [2023-11-29 06:12:28,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 86 remaining) [2023-11-29 06:12:28,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 86 remaining) [2023-11-29 06:12:28,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 86 remaining) [2023-11-29 06:12:28,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 86 remaining) [2023-11-29 06:12:28,091 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 86 remaining) [2023-11-29 06:12:28,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 06:12:28,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-11-29 06:12:28,294 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:12:28,556 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,556 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,556 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,556 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,556 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,556 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,556 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,557 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,557 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,557 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,557 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,557 INFO L899 garLoopResultBuilder]: For program point L36-4(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,557 INFO L899 garLoopResultBuilder]: For program point L36-5(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,557 INFO L899 garLoopResultBuilder]: For program point L36-6(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,557 INFO L899 garLoopResultBuilder]: For program point L36-7(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,557 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-29 06:12:28,557 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point L39-2(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,558 INFO L899 garLoopResultBuilder]: For program point L39-3(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-4(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-5(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-6(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-7(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-8(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-9(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-10(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-11(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-12(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-13(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-14(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-15(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-16(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-17(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,559 INFO L899 garLoopResultBuilder]: For program point L39-18(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-19(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-20(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-21(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-22(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-23(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-24(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-25(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-26(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-27(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-28(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-29(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-30(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-31(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L40(line 40) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2023-11-29 06:12:28,560 INFO L899 garLoopResultBuilder]: For program point L39-32(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,561 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2023-11-29 06:12:28,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,561 INFO L895 garLoopResultBuilder]: At program point L39-33(line 39) the Hoare annotation is: (let ((.cse0 (<= 2 |ULTIMATE.start_main_~k~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~x~0#1|)) (.cse2 (<= 1 |ULTIMATE.start_main_~c~0#1|)) (.cse3 (<= 1 ~counter~0)) (.cse4 (<= |ULTIMATE.start_main_~x~0#1| 307445734561825860))) (or (and .cse0 .cse1 .cse2 (= 2 |ULTIMATE.start_main_~y~0#1|) .cse3 .cse4 (<= |ULTIMATE.start_main_~c~0#1| 9223372036854775805) (<= |ULTIMATE.start_main_~k~0#1| 4611686018427387903) (<= ~counter~0 2147483646)) (and (= |ULTIMATE.start_main_~k~0#1| 1) .cse1 (<= |ULTIMATE.start_main_~c~0#1| 1) .cse3 (<= 0 |ULTIMATE.start_main_~c~0#1|) (= |ULTIMATE.start_main_~y~0#1| 1) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= ~counter~0 2147483645)) (= |ULTIMATE.start_main_~y~0#1| 0) (and .cse0 .cse1 .cse2 (<= 2 |ULTIMATE.start_main_~y~0#1|) .cse3 .cse4 (<= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 10) (* (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|) 15)) 9223372036854775807) (<= |ULTIMATE.start_main_~k~0#1| 256)))) [2023-11-29 06:12:28,561 INFO L899 garLoopResultBuilder]: For program point L40-2(line 40) no Hoare annotation was computed. [2023-11-29 06:12:28,561 INFO L899 garLoopResultBuilder]: For program point L39-34(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,561 INFO L902 garLoopResultBuilder]: At program point L40-3(line 40) the Hoare annotation is: true [2023-11-29 06:12:28,561 INFO L899 garLoopResultBuilder]: For program point L40-4(line 40) no Hoare annotation was computed. [2023-11-29 06:12:28,561 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:12:28,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,562 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 06:12:28,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-29 06:12:28,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,563 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point L28-2(line 28) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point L28-3(lines 28 37) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L895 garLoopResultBuilder]: At program point L28-5(lines 28 37) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~x~0#1|)) (.cse1 (<= |ULTIMATE.start_main_~k~0#1| 256))) (or (and .cse0 (= |ULTIMATE.start_main_~c~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 |ULTIMATE.start_main_~k~0#1|) .cse1 (= ~counter~0 1)) (and (= |ULTIMATE.start_main_~c~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) (= ~counter~0 0) .cse1 (= |ULTIMATE.start_main_~x~0#1| 0)) (and (<= 2 ~counter~0) (<= 2 |ULTIMATE.start_main_~k~0#1|) .cse0 (<= 1 |ULTIMATE.start_main_~c~0#1|) (= 2 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~x~0#1| 307445734561825860) (<= |ULTIMATE.start_main_~c~0#1| 9223372036854775805) (<= ~counter~0 2147483645) .cse1))) [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point L28-6(lines 28 37) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,564 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2023-11-29 06:12:28,565 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,565 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,565 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,565 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,565 INFO L899 garLoopResultBuilder]: For program point L29-2(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,576 INFO L899 garLoopResultBuilder]: For program point L29-3(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,576 INFO L899 garLoopResultBuilder]: For program point L29-4(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,576 INFO L899 garLoopResultBuilder]: For program point L29-5(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,576 INFO L899 garLoopResultBuilder]: For program point L29-6(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,576 INFO L899 garLoopResultBuilder]: For program point L29-7(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,576 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,576 INFO L899 garLoopResultBuilder]: For program point L29-8(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,576 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-9(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-10(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-11(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-12(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-13(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-14(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-15(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-16(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-17(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-18(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,577 INFO L899 garLoopResultBuilder]: For program point L29-19(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point L29-20(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point L29-21(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point L29-22(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point L29-23(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point L29-24(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point L29-25(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point L29-26(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point L29-27(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,578 INFO L899 garLoopResultBuilder]: For program point L29-28(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,579 INFO L899 garLoopResultBuilder]: For program point L29-29(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,579 INFO L899 garLoopResultBuilder]: For program point L29-30(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,579 INFO L899 garLoopResultBuilder]: For program point L29-31(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,579 INFO L899 garLoopResultBuilder]: For program point L29-32(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,579 INFO L899 garLoopResultBuilder]: For program point L29-33(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,579 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,579 INFO L895 garLoopResultBuilder]: At program point L29-34(line 29) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~k~0#1| 256))) (or (and (= |ULTIMATE.start_main_~c~0#1| 0) (= |ULTIMATE.start_main_~y~0#1| 0) .cse0 (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0)) (and (<= 2 ~counter~0) (<= 0 |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~c~0#1| 1) (= |ULTIMATE.start_main_~y~0#1| 1) (<= |ULTIMATE.start_main_~x~0#1| 1) (<= ~counter~0 2147483645) (<= 1 |ULTIMATE.start_main_~k~0#1|) .cse0))) [2023-11-29 06:12:28,579 INFO L899 garLoopResultBuilder]: For program point L29-35(lines 28 37) no Hoare annotation was computed. [2023-11-29 06:12:28,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 06:12:28,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-29 06:12:28,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,580 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,581 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-29 06:12:28,582 INFO L899 garLoopResultBuilder]: For program point L10(lines 10 13) no Hoare annotation was computed. [2023-11-29 06:12:28,583 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2023-11-29 06:12:28,583 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: true [2023-11-29 06:12:28,583 INFO L899 garLoopResultBuilder]: For program point L10-2(lines 9 15) no Hoare annotation was computed. [2023-11-29 06:12:28,586 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:12:28,589 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:12:28,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:12:28 BoogieIcfgContainer [2023-11-29 06:12:28,604 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:12:28,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:12:28,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:12:28,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:12:28,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:10:50" (3/4) ... [2023-11-29 06:12:28,608 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:12:28,612 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-29 06:12:28,620 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-29 06:12:28,620 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-29 06:12:28,621 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:12:28,621 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:12:28,730 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:12:28,731 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:12:28,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:12:28,732 INFO L158 Benchmark]: Toolchain (without parser) took 99480.18ms. Allocated memory was 157.3MB in the beginning and 232.8MB in the end (delta: 75.5MB). Free memory was 95.4MB in the beginning and 189.1MB in the end (delta: -93.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:12:28,732 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 157.3MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 148.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:12:28,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.16ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 84.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:12:28,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.20ms. Allocated memory is still 157.3MB. Free memory was 84.2MB in the beginning and 82.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:12:28,733 INFO L158 Benchmark]: Boogie Preprocessor took 43.82ms. Allocated memory is still 157.3MB. Free memory was 82.0MB in the beginning and 80.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:12:28,734 INFO L158 Benchmark]: RCFGBuilder took 714.85ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 80.1MB in the beginning and 138.4MB in the end (delta: -58.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-11-29 06:12:28,734 INFO L158 Benchmark]: TraceAbstraction took 98325.97ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 137.2MB in the beginning and 196.5MB in the end (delta: -59.3MB). Peak memory consumption was 112.6MB. Max. memory is 16.1GB. [2023-11-29 06:12:28,734 INFO L158 Benchmark]: Witness Printer took 126.53ms. Allocated memory is still 232.8MB. Free memory was 196.5MB in the beginning and 189.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 06:12:28,736 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 157.3MB. Free memory was 89.8MB in the beginning and 89.7MB in the end (delta: 148.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 216.16ms. Allocated memory is still 157.3MB. Free memory was 95.2MB in the beginning and 84.4MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.20ms. Allocated memory is still 157.3MB. Free memory was 84.2MB in the beginning and 82.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.82ms. Allocated memory is still 157.3MB. Free memory was 82.0MB in the beginning and 80.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 714.85ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 80.1MB in the beginning and 138.4MB in the end (delta: -58.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * TraceAbstraction took 98325.97ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 137.2MB in the beginning and 196.5MB in the end (delta: -59.3MB). Peak memory consumption was 112.6MB. Max. memory is 16.1GB. * Witness Printer took 126.53ms. Allocated memory is still 232.8MB. Free memory was 196.5MB in the beginning and 189.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 187 locations, 86 error locations. Started 1 CEGAR loops. OverallTime: 98.2s, OverallIterations: 23, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 76.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 16 mSolverCounterUnknown, 3436 SdHoareTripleChecker+Valid, 74.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3410 mSDsluCounter, 6341 SdHoareTripleChecker+Invalid, 73.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3994 mSDsCounter, 269 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6397 IncrementalHoareTripleChecker+Invalid, 6682 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 269 mSolverCounterUnsat, 2347 mSDtfsCounter, 6397 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2862 GetRequests, 2724 SyntacticMatches, 5 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=471occurred in iteration=16, InterpolantAutomatonStates: 136, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 23 MinimizatonAttempts, 403 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 20 PreInvPairs, 31 NumberOfFragments, 214 HoareAnnotationTreeSize, 20 FomulaSimplifications, 468 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 157 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 15.1s InterpolantComputationTime, 1824 NumberOfCodeBlocks, 1824 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 2634 ConstructedInterpolants, 0 QuantifiedInterpolants, 13585 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2798 ConjunctsInSsa, 105 ConjunctsInUnsatCore, 30 InterpolantComputations, 13 PerfectInterpolantSequences, 510/1059 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 86 specifications checked. All of them hold - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((0 <= x) && (c == 1)) && (y == 1)) && (x <= 1)) && (1 <= k)) && (k <= 256)) && (counter == 1)) || (((((c == 0) && (y == 0)) && (counter == 0)) && (k <= 256)) && (x == 0))) || (((((((((2 <= counter) && (2 <= k)) && (0 <= x)) && (1 <= c)) && (2 == y)) && (x <= 307445734561825860)) && (c <= 9223372036854775805)) && (counter <= 2147483645)) && (k <= 256))) RESULT: Ultimate proved your program to be correct! [2023-11-29 06:12:28,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a1dec5b-c046-4852-9e1a-eea06254334d/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE