./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a 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_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:15:41,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:15:41,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-31 22:15:41,541 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:15:41,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:15:41,588 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:15:41,589 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:15:41,589 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:15:41,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:15:41,591 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:15:41,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:15:41,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:15:41,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:15:41,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:15:41,593 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:15:41,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:15:41,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:15:41,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:15:41,600 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:15:41,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:15:41,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:15:41,601 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:15:41,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:15:41,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:15:41,602 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:15:41,603 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:15:41,603 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:15:41,603 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:15:41,604 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:15:41,604 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:15:41,605 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:15:41,605 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:15:41,605 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:15:41,606 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:15:41,606 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:41,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:15:41,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:15:41,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:15:41,608 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:15:41,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:15:41,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:15:41,609 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:15:41,609 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:15:41,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:15:41,610 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_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d3c61dee0c4c48de96844df391dc470a843cae078bb175116ed4a6b789669168 [2024-10-31 22:15:41,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:15:41,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:15:41,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:15:41,966 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:15:41,966 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:15:41,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c Unable to find full path for "g++" [2024-10-31 22:15:44,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:15:44,274 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:15:44,274 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound20.c [2024-10-31 22:15:44,282 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/data/213c182c6/719696dab10a482bb9d1521fdd6daed9/FLAG6d2181798 [2024-10-31 22:15:44,297 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/data/213c182c6/719696dab10a482bb9d1521fdd6daed9 [2024-10-31 22:15:44,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:15:44,301 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:15:44,303 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:44,303 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:15:44,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:15:44,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eea1202 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44, skipping insertion in model container [2024-10-31 22:15:44,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:44,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:44,580 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:44,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:44,638 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:44,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44 WrapperNode [2024-10-31 22:15:44,638 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:44,639 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:44,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:44,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:44,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,691 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 192 [2024-10-31 22:15:44,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:44,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:44,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:44,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:44,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,709 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,730 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-31 22:15:44,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:44,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:44,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:44,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:44,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (1/1) ... [2024-10-31 22:15:44,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:44,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:44,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:44,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:15:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:15:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:15:44,919 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:44,922 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:46,350 INFO L? ?]: Removed 239 outVars from TransFormulas that were not future-live. [2024-10-31 22:15:46,351 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:46,387 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:46,388 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:15:46,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:46 BoogieIcfgContainer [2024-10-31 22:15:46,390 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:46,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:46,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:46,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:46,399 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:15:44" (1/3) ... [2024-10-31 22:15:46,400 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f198101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:46, skipping insertion in model container [2024-10-31 22:15:46,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:44" (2/3) ... [2024-10-31 22:15:46,402 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f198101 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:46, skipping insertion in model container [2024-10-31 22:15:46,402 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:46" (3/3) ... [2024-10-31 22:15:46,404 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound20.c [2024-10-31 22:15:46,427 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:46,427 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 138 error locations. [2024-10-31 22:15:46,526 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:46,533 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7742101e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:46,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2024-10-31 22:15:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 152 states have (on average 1.9407894736842106) internal successors, (295), 290 states have internal predecessors, (295), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-10-31 22:15:46,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:15:46,549 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:46,549 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:15:46,551 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:15:46,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:46,558 INFO L85 PathProgramCache]: Analyzing trace with hash 889508963, now seen corresponding path program 1 times [2024-10-31 22:15:46,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:46,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467231076] [2024-10-31 22:15:46,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:46,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:46,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:46,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:46,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467231076] [2024-10-31 22:15:46,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467231076] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:46,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:46,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:46,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280067540] [2024-10-31 22:15:46,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:46,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-31 22:15:46,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:46,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-31 22:15:46,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:15:46,800 INFO L87 Difference]: Start difference. First operand has 303 states, 152 states have (on average 1.9407894736842106) internal successors, (295), 290 states have internal predecessors, (295), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:46,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:46,861 INFO L93 Difference]: Finished difference Result 595 states and 640 transitions. [2024-10-31 22:15:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-31 22:15:46,864 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 22:15:46,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:46,881 INFO L225 Difference]: With dead ends: 595 [2024-10-31 22:15:46,881 INFO L226 Difference]: Without dead ends: 289 [2024-10-31 22:15:46,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-31 22:15:46,894 INFO L432 NwaCegarLoop]: 305 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:46,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:15:46,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2024-10-31 22:15:46,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2024-10-31 22:15:46,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 147 states have (on average 1.8911564625850341) internal successors, (278), 277 states have internal predecessors, (278), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-31 22:15:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 298 transitions. [2024-10-31 22:15:46,975 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 298 transitions. Word has length 6 [2024-10-31 22:15:46,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:46,976 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 298 transitions. [2024-10-31 22:15:46,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:46,977 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 298 transitions. [2024-10-31 22:15:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-31 22:15:46,977 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:46,977 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:15:46,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:15:46,978 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:15:46,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:46,979 INFO L85 PathProgramCache]: Analyzing trace with hash 889568486, now seen corresponding path program 1 times [2024-10-31 22:15:46,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:46,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023105977] [2024-10-31 22:15:46,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:46,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:47,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:47,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:47,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023105977] [2024-10-31 22:15:47,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023105977] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:47,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:47,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:47,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290535050] [2024-10-31 22:15:47,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:47,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:47,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:47,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:47,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:47,057 INFO L87 Difference]: Start difference. First operand 289 states and 298 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:47,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:47,256 INFO L93 Difference]: Finished difference Result 558 states and 577 transitions. [2024-10-31 22:15:47,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:47,258 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-10-31 22:15:47,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:47,262 INFO L225 Difference]: With dead ends: 558 [2024-10-31 22:15:47,263 INFO L226 Difference]: Without dead ends: 538 [2024-10-31 22:15:47,263 INFO L431 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 [2024-10-31 22:15:47,265 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 237 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:47,266 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 522 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:15:47,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2024-10-31 22:15:47,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 348. [2024-10-31 22:15:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 201 states have (on average 1.791044776119403) internal successors, (360), 331 states have internal predecessors, (360), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-31 22:15:47,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 390 transitions. [2024-10-31 22:15:47,293 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 390 transitions. Word has length 6 [2024-10-31 22:15:47,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:47,293 INFO L471 AbstractCegarLoop]: Abstraction has 348 states and 390 transitions. [2024-10-31 22:15:47,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:47,294 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 390 transitions. [2024-10-31 22:15:47,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-31 22:15:47,295 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:47,295 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:47,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:15:47,296 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:15:47,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:47,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1390848492, now seen corresponding path program 1 times [2024-10-31 22:15:47,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:47,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128833742] [2024-10-31 22:15:47,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:47,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:15:47,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [77799336] [2024-10-31 22:15:47,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:47,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:47,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:47,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:15:47,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:15:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:47,427 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:15:47,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:15:47,706 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:15:47,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:47,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128833742] [2024-10-31 22:15:47,708 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:15:47,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77799336] [2024-10-31 22:15:47,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77799336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:47,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:47,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:47,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187605933] [2024-10-31 22:15:47,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:47,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:47,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:47,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:47,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:47,715 INFO L87 Difference]: Start difference. First operand 348 states and 390 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:15:48,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:48,603 INFO L93 Difference]: Finished difference Result 508 states and 565 transitions. [2024-10-31 22:15:48,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:48,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2024-10-31 22:15:48,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:48,606 INFO L225 Difference]: With dead ends: 508 [2024-10-31 22:15:48,606 INFO L226 Difference]: Without dead ends: 453 [2024-10-31 22:15:48,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:48,611 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 134 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:48,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 269 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-31 22:15:48,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-10-31 22:15:48,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 433. [2024-10-31 22:15:48,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.6476868327402134) internal successors, (463), 411 states have internal predecessors, (463), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 22:15:48,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 503 transitions. [2024-10-31 22:15:48,653 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 503 transitions. Word has length 39 [2024-10-31 22:15:48,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:48,653 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 503 transitions. [2024-10-31 22:15:48,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:15:48,653 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 503 transitions. [2024-10-31 22:15:48,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-31 22:15:48,657 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:48,657 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:48,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:48,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:48,862 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:15:48,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:48,863 INFO L85 PathProgramCache]: Analyzing trace with hash 870574670, now seen corresponding path program 1 times [2024-10-31 22:15:48,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:48,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960642045] [2024-10-31 22:15:48,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:48,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:15:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:15:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:15:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:15:49,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:49,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960642045] [2024-10-31 22:15:49,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960642045] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:49,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:49,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:49,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912203034] [2024-10-31 22:15:49,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:49,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:49,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:49,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:49,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:49,092 INFO L87 Difference]: Start difference. First operand 433 states and 503 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:15:49,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:49,739 INFO L93 Difference]: Finished difference Result 466 states and 510 transitions. [2024-10-31 22:15:49,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:49,740 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2024-10-31 22:15:49,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:49,742 INFO L225 Difference]: With dead ends: 466 [2024-10-31 22:15:49,743 INFO L226 Difference]: Without dead ends: 443 [2024-10-31 22:15:49,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:49,744 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 120 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:49,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 427 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 22:15:49,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-31 22:15:49,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-10-31 22:15:49,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5658362989323844) internal successors, (440), 411 states have internal predecessors, (440), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 22:15:49,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 480 transitions. [2024-10-31 22:15:49,763 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 480 transitions. Word has length 41 [2024-10-31 22:15:49,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:49,763 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 480 transitions. [2024-10-31 22:15:49,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:15:49,764 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 480 transitions. [2024-10-31 22:15:49,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-31 22:15:49,764 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:49,765 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:49,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:15:49,765 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:15:49,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:49,766 INFO L85 PathProgramCache]: Analyzing trace with hash -896361808, now seen corresponding path program 1 times [2024-10-31 22:15:49,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:49,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957631984] [2024-10-31 22:15:49,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:49,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:15:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:15:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:15:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:15:49,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:49,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957631984] [2024-10-31 22:15:49,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957631984] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:49,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:49,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:15:49,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740691464] [2024-10-31 22:15:49,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:49,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:15:49,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:49,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:15:49,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:15:49,979 INFO L87 Difference]: Start difference. First operand 433 states and 480 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:15:53,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:53,381 INFO L93 Difference]: Finished difference Result 445 states and 487 transitions. [2024-10-31 22:15:53,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:15:53,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2024-10-31 22:15:53,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:53,384 INFO L225 Difference]: With dead ends: 445 [2024-10-31 22:15:53,384 INFO L226 Difference]: Without dead ends: 443 [2024-10-31 22:15:53,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:15:53,386 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:53,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 449 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-10-31 22:15:53,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-31 22:15:53,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-10-31 22:15:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5587188612099645) internal successors, (438), 411 states have internal predecessors, (438), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 22:15:53,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 478 transitions. [2024-10-31 22:15:53,418 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 478 transitions. Word has length 43 [2024-10-31 22:15:53,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:53,420 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 478 transitions. [2024-10-31 22:15:53,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:15:53,420 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 478 transitions. [2024-10-31 22:15:53,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-31 22:15:53,422 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:53,423 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:53,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-31 22:15:53,423 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:15:53,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:53,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2017412173, now seen corresponding path program 1 times [2024-10-31 22:15:53,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:53,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370555506] [2024-10-31 22:15:53,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:53,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:53,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:15:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:53,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:15:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:53,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:15:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:15:53,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:53,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370555506] [2024-10-31 22:15:53,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370555506] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:53,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:53,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:15:53,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084281958] [2024-10-31 22:15:53,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:53,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:15:53,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:53,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:15:53,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:15:53,666 INFO L87 Difference]: Start difference. First operand 433 states and 478 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:15:58,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:58,214 INFO L93 Difference]: Finished difference Result 445 states and 485 transitions. [2024-10-31 22:15:58,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:15:58,215 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2024-10-31 22:15:58,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:58,217 INFO L225 Difference]: With dead ends: 445 [2024-10-31 22:15:58,219 INFO L226 Difference]: Without dead ends: 443 [2024-10-31 22:15:58,220 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:15:58,221 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 137 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:58,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 451 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-10-31 22:15:58,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-31 22:15:58,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2024-10-31 22:15:58,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5516014234875444) internal successors, (436), 411 states have internal predecessors, (436), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 22:15:58,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 476 transitions. [2024-10-31 22:15:58,248 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 476 transitions. Word has length 44 [2024-10-31 22:15:58,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:58,250 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 476 transitions. [2024-10-31 22:15:58,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:15:58,250 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 476 transitions. [2024-10-31 22:15:58,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-31 22:15:58,251 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:58,251 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:58,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-31 22:15:58,252 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:15:58,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:58,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1248572556, now seen corresponding path program 1 times [2024-10-31 22:15:58,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:58,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730329755] [2024-10-31 22:15:58,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:58,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:15:58,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1543066720] [2024-10-31 22:15:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:58,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:58,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:58,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:15:58,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:15:58,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:58,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:15:58,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:58,620 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:15:58,621 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:15:58,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:58,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730329755] [2024-10-31 22:15:58,621 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:15:58,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1543066720] [2024-10-31 22:15:58,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1543066720] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:58,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:58,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:58,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441389612] [2024-10-31 22:15:58,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:58,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:58,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:58,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:58,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:58,623 INFO L87 Difference]: Start difference. First operand 433 states and 476 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:15:59,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:59,351 INFO L93 Difference]: Finished difference Result 450 states and 483 transitions. [2024-10-31 22:15:59,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:59,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2024-10-31 22:15:59,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:59,354 INFO L225 Difference]: With dead ends: 450 [2024-10-31 22:15:59,354 INFO L226 Difference]: Without dead ends: 441 [2024-10-31 22:15:59,354 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:59,355 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 112 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:59,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 259 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-31 22:15:59,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-10-31 22:15:59,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 436. [2024-10-31 22:15:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5246478873239437) internal successors, (433), 414 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 22:15:59,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 473 transitions. [2024-10-31 22:15:59,372 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 473 transitions. Word has length 47 [2024-10-31 22:15:59,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:59,372 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 473 transitions. [2024-10-31 22:15:59,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:15:59,373 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 473 transitions. [2024-10-31 22:15:59,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-31 22:15:59,374 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:59,374 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:59,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:59,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:59,575 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:15:59,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:59,575 INFO L85 PathProgramCache]: Analyzing trace with hash -51043465, now seen corresponding path program 1 times [2024-10-31 22:15:59,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:59,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910049899] [2024-10-31 22:15:59,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:59,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:59,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:15:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:59,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:15:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:59,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:15:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:59,742 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:15:59,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:59,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910049899] [2024-10-31 22:15:59,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910049899] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:59,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:59,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:15:59,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785739765] [2024-10-31 22:15:59,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:59,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:15:59,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:59,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:15:59,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:15:59,747 INFO L87 Difference]: Start difference. First operand 436 states and 473 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:16:00,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:00,423 INFO L93 Difference]: Finished difference Result 449 states and 474 transitions. [2024-10-31 22:16:00,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:16:00,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2024-10-31 22:16:00,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:00,427 INFO L225 Difference]: With dead ends: 449 [2024-10-31 22:16:00,427 INFO L226 Difference]: Without dead ends: 443 [2024-10-31 22:16:00,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:00,428 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 244 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:00,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 307 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-31 22:16:00,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2024-10-31 22:16:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 436. [2024-10-31 22:16:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 284 states have (on average 1.5035211267605635) internal successors, (427), 414 states have internal predecessors, (427), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-31 22:16:00,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 467 transitions. [2024-10-31 22:16:00,451 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 467 transitions. Word has length 48 [2024-10-31 22:16:00,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:00,451 INFO L471 AbstractCegarLoop]: Abstraction has 436 states and 467 transitions. [2024-10-31 22:16:00,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:16:00,451 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 467 transitions. [2024-10-31 22:16:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-31 22:16:00,454 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:00,454 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:00,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:16:00,454 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:00,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:00,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1852558139, now seen corresponding path program 1 times [2024-10-31 22:16:00,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:00,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058006275] [2024-10-31 22:16:00,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:00,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:00,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:16:00,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:00,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:16:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:00,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:00,589 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 22:16:00,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:00,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058006275] [2024-10-31 22:16:00,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058006275] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:00,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:00,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:16:00,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354705731] [2024-10-31 22:16:00,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:00,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:16:00,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:00,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:16:00,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:00,591 INFO L87 Difference]: Start difference. First operand 436 states and 467 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:16:01,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:01,482 INFO L93 Difference]: Finished difference Result 447 states and 468 transitions. [2024-10-31 22:16:01,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:01,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2024-10-31 22:16:01,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:01,484 INFO L225 Difference]: With dead ends: 447 [2024-10-31 22:16:01,485 INFO L226 Difference]: Without dead ends: 374 [2024-10-31 22:16:01,485 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:16:01,486 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 226 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:01,490 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 271 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-31 22:16:01,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-10-31 22:16:01,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 370. [2024-10-31 22:16:01,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 221 states have (on average 1.6199095022624435) internal successors, (358), 351 states have internal predecessors, (358), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:16:01,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 392 transitions. [2024-10-31 22:16:01,507 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 392 transitions. Word has length 52 [2024-10-31 22:16:01,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:01,509 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 392 transitions. [2024-10-31 22:16:01,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-31 22:16:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 392 transitions. [2024-10-31 22:16:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-10-31 22:16:01,512 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:01,512 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:01,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-31 22:16:01,513 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:01,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:01,513 INFO L85 PathProgramCache]: Analyzing trace with hash 386547261, now seen corresponding path program 1 times [2024-10-31 22:16:01,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:01,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750905456] [2024-10-31 22:16:01,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:01,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:01,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:16:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:01,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:16:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:01,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:01,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:01,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:01,661 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:16:01,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:01,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750905456] [2024-10-31 22:16:01,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750905456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:01,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:01,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:01,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955420264] [2024-10-31 22:16:01,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:01,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:16:01,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:01,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:16:01,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:01,667 INFO L87 Difference]: Start difference. First operand 370 states and 392 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-31 22:16:02,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:02,594 INFO L93 Difference]: Finished difference Result 370 states and 392 transitions. [2024-10-31 22:16:02,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:02,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2024-10-31 22:16:02,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:02,596 INFO L225 Difference]: With dead ends: 370 [2024-10-31 22:16:02,596 INFO L226 Difference]: Without dead ends: 363 [2024-10-31 22:16:02,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:02,597 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 138 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:02,598 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 156 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-31 22:16:02,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-31 22:16:02,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-10-31 22:16:02,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 221 states have (on average 1.588235294117647) internal successors, (351), 344 states have internal predecessors, (351), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:16:02,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 385 transitions. [2024-10-31 22:16:02,611 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 385 transitions. Word has length 84 [2024-10-31 22:16:02,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:02,612 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 385 transitions. [2024-10-31 22:16:02,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-31 22:16:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 385 transitions. [2024-10-31 22:16:02,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-10-31 22:16:02,613 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:02,613 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:02,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-31 22:16:02,614 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:02,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:02,614 INFO L85 PathProgramCache]: Analyzing trace with hash -901936631, now seen corresponding path program 1 times [2024-10-31 22:16:02,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:02,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014689216] [2024-10-31 22:16:02,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:02,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:02,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:02,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:16:02,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:02,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:16:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:02,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:02,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:02,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:02,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:02,704 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:16:02,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:02,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014689216] [2024-10-31 22:16:02,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014689216] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:02,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:02,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:02,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025575372] [2024-10-31 22:16:02,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:02,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:16:02,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:02,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:16:02,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:02,707 INFO L87 Difference]: Start difference. First operand 363 states and 385 transitions. Second operand has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-31 22:16:03,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:03,223 INFO L93 Difference]: Finished difference Result 370 states and 388 transitions. [2024-10-31 22:16:03,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:03,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 85 [2024-10-31 22:16:03,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:03,229 INFO L225 Difference]: With dead ends: 370 [2024-10-31 22:16:03,229 INFO L226 Difference]: Without dead ends: 369 [2024-10-31 22:16:03,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:03,230 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 24 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:03,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 394 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-31 22:16:03,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-10-31 22:16:03,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2024-10-31 22:16:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 365 states, 223 states have (on average 1.5829596412556053) internal successors, (353), 346 states have internal predecessors, (353), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:16:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 387 transitions. [2024-10-31 22:16:03,246 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 387 transitions. Word has length 85 [2024-10-31 22:16:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:03,247 INFO L471 AbstractCegarLoop]: Abstraction has 365 states and 387 transitions. [2024-10-31 22:16:03,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-31 22:16:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 387 transitions. [2024-10-31 22:16:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-31 22:16:03,250 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:03,251 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:03,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-31 22:16:03,251 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:03,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:03,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1031775984, now seen corresponding path program 1 times [2024-10-31 22:16:03,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:03,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629175298] [2024-10-31 22:16:03,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:03,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:16:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:16:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:03,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:03,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-31 22:16:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,434 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-31 22:16:03,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:03,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629175298] [2024-10-31 22:16:03,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629175298] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:03,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:03,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:16:03,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343629558] [2024-10-31 22:16:03,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:03,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:16:03,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:03,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:16:03,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:03,437 INFO L87 Difference]: Start difference. First operand 365 states and 387 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-31 22:16:03,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:03,868 INFO L93 Difference]: Finished difference Result 365 states and 387 transitions. [2024-10-31 22:16:03,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:16:03,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2024-10-31 22:16:03,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:03,870 INFO L225 Difference]: With dead ends: 365 [2024-10-31 22:16:03,870 INFO L226 Difference]: Without dead ends: 363 [2024-10-31 22:16:03,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:16:03,871 INFO L432 NwaCegarLoop]: 249 mSDtfsCounter, 192 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:03,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 263 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:16:03,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-31 22:16:03,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2024-10-31 22:16:03,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 223 states have (on average 1.5650224215246638) internal successors, (349), 344 states have internal predecessors, (349), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:16:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 383 transitions. [2024-10-31 22:16:03,886 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 383 transitions. Word has length 87 [2024-10-31 22:16:03,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:03,887 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 383 transitions. [2024-10-31 22:16:03,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-10-31 22:16:03,887 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 383 transitions. [2024-10-31 22:16:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-31 22:16:03,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:03,888 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:03,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-31 22:16:03,889 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:03,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:03,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1920284614, now seen corresponding path program 1 times [2024-10-31 22:16:03,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:03,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634375816] [2024-10-31 22:16:03,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:03,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:16:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:16:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-31 22:16:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:03,993 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-31 22:16:03,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:03,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634375816] [2024-10-31 22:16:03,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634375816] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:03,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:03,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:16:03,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972432483] [2024-10-31 22:16:03,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:03,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:16:03,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:03,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:16:03,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:16:03,996 INFO L87 Difference]: Start difference. First operand 363 states and 383 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:16:04,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:04,308 INFO L93 Difference]: Finished difference Result 367 states and 383 transitions. [2024-10-31 22:16:04,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:16:04,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 88 [2024-10-31 22:16:04,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:04,313 INFO L225 Difference]: With dead ends: 367 [2024-10-31 22:16:04,313 INFO L226 Difference]: Without dead ends: 363 [2024-10-31 22:16:04,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:16:04,314 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 48 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:04,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 719 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:16:04,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2024-10-31 22:16:04,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 361. [2024-10-31 22:16:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 221 states have (on average 1.5610859728506787) internal successors, (345), 342 states have internal predecessors, (345), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:16:04,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 379 transitions. [2024-10-31 22:16:04,332 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 379 transitions. Word has length 88 [2024-10-31 22:16:04,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:04,333 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 379 transitions. [2024-10-31 22:16:04,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:16:04,334 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 379 transitions. [2024-10-31 22:16:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-31 22:16:04,334 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:04,335 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:04,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-31 22:16:04,335 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:04,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:04,336 INFO L85 PathProgramCache]: Analyzing trace with hash 822292939, now seen corresponding path program 1 times [2024-10-31 22:16:04,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:04,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913102948] [2024-10-31 22:16:04,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:04,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:16:04,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:16:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:16:04,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:04,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913102948] [2024-10-31 22:16:04,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913102948] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:04,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230446954] [2024-10-31 22:16:04,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:04,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:04,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:04,445 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:04,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:16:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:04,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:16:04,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:04,644 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:16:04,644 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:16:04,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230446954] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:04,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:16:04,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-31 22:16:04,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422962986] [2024-10-31 22:16:04,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:04,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:16:04,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:04,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:16:04,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:16:04,647 INFO L87 Difference]: Start difference. First operand 361 states and 379 transitions. Second operand has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-31 22:16:04,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:04,924 INFO L93 Difference]: Finished difference Result 363 states and 379 transitions. [2024-10-31 22:16:04,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:16:04,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2024-10-31 22:16:04,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:04,927 INFO L225 Difference]: With dead ends: 363 [2024-10-31 22:16:04,927 INFO L226 Difference]: Without dead ends: 355 [2024-10-31 22:16:04,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:16:04,928 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 254 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:04,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 389 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-31 22:16:04,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-10-31 22:16:04,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 353. [2024-10-31 22:16:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 221 states have (on average 1.5248868778280542) internal successors, (337), 334 states have internal predecessors, (337), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:16:04,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 371 transitions. [2024-10-31 22:16:04,943 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 371 transitions. Word has length 87 [2024-10-31 22:16:04,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:04,943 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 371 transitions. [2024-10-31 22:16:04,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.666666666666668) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-10-31 22:16:04,944 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 371 transitions. [2024-10-31 22:16:04,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-10-31 22:16:04,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:04,945 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:04,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:16:05,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-31 22:16:05,148 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:05,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:05,148 INFO L85 PathProgramCache]: Analyzing trace with hash -278722615, now seen corresponding path program 1 times [2024-10-31 22:16:05,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:05,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024282462] [2024-10-31 22:16:05,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:05,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:16:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:16:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,298 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:16:05,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:05,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024282462] [2024-10-31 22:16:05,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024282462] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:05,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019437928] [2024-10-31 22:16:05,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:05,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:05,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:05,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:05,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:16:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:05,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:16:05,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:05,490 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:16:05,490 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-10-31 22:16:05,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019437928] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:16:05,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:16:05,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-31 22:16:05,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384948966] [2024-10-31 22:16:05,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:05,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:16:05,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:05,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:16:05,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:16:05,644 INFO L87 Difference]: Start difference. First operand 353 states and 371 transitions. Second operand has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-31 22:16:05,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:05,895 INFO L93 Difference]: Finished difference Result 614 states and 652 transitions. [2024-10-31 22:16:05,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:16:05,896 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 88 [2024-10-31 22:16:05,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:05,898 INFO L225 Difference]: With dead ends: 614 [2024-10-31 22:16:05,898 INFO L226 Difference]: Without dead ends: 606 [2024-10-31 22:16:05,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:16:05,900 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 467 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:05,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 747 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:16:05,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2024-10-31 22:16:05,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 413. [2024-10-31 22:16:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 282 states have (on average 1.5141843971631206) internal successors, (427), 389 states have internal predecessors, (427), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-10-31 22:16:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 471 transitions. [2024-10-31 22:16:05,917 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 471 transitions. Word has length 88 [2024-10-31 22:16:05,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:05,918 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 471 transitions. [2024-10-31 22:16:05,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 29.5) internal successors, (177), 7 states have internal predecessors, (177), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-10-31 22:16:05,918 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 471 transitions. [2024-10-31 22:16:05,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-10-31 22:16:05,919 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:05,919 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:05,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:16:06,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-10-31 22:16:06,120 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:06,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:06,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1460160748, now seen corresponding path program 1 times [2024-10-31 22:16:06,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:06,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683673840] [2024-10-31 22:16:06,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:06,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:16:06,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [455909556] [2024-10-31 22:16:06,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:06,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:06,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:06,165 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:06,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:16:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:06,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:16:06,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-31 22:16:06,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:06,591 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-10-31 22:16:06,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:06,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683673840] [2024-10-31 22:16:06,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:16:06,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455909556] [2024-10-31 22:16:06,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455909556] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:16:06,592 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-31 22:16:06,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-10-31 22:16:06,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891873525] [2024-10-31 22:16:06,592 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:06,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-31 22:16:06,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:06,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-31 22:16:06,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:16:06,594 INFO L87 Difference]: Start difference. First operand 413 states and 471 transitions. Second operand has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-31 22:16:06,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:06,866 INFO L93 Difference]: Finished difference Result 616 states and 648 transitions. [2024-10-31 22:16:06,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:16:06,867 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 99 [2024-10-31 22:16:06,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:06,869 INFO L225 Difference]: With dead ends: 616 [2024-10-31 22:16:06,869 INFO L226 Difference]: Without dead ends: 611 [2024-10-31 22:16:06,870 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:16:06,871 INFO L432 NwaCegarLoop]: 301 mSDtfsCounter, 691 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 702 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:06,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [702 Valid, 811 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:16:06,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2024-10-31 22:16:06,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 418. [2024-10-31 22:16:06,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 290 states have (on average 1.4724137931034482) internal successors, (427), 393 states have internal predecessors, (427), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:16:06,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 473 transitions. [2024-10-31 22:16:06,892 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 473 transitions. Word has length 99 [2024-10-31 22:16:06,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:06,893 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 473 transitions. [2024-10-31 22:16:06,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.6) internal successors, (138), 6 states have internal predecessors, (138), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-10-31 22:16:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 473 transitions. [2024-10-31 22:16:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-10-31 22:16:06,895 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:06,895 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:16:06,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:16:07,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-10-31 22:16:07,097 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:07,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:07,097 INFO L85 PathProgramCache]: Analyzing trace with hash -590433326, now seen corresponding path program 1 times [2024-10-31 22:16:07,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:07,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817370062] [2024-10-31 22:16:07,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:07,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:07,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:16:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:07,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:16:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:07,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:07,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:07,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-31 22:16:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:07,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-31 22:16:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:07,339 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-31 22:16:07,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:07,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817370062] [2024-10-31 22:16:07,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817370062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:07,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:07,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:16:07,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52000556] [2024-10-31 22:16:07,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:07,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:16:07,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:07,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:16:07,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:16:07,342 INFO L87 Difference]: Start difference. First operand 418 states and 473 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-31 22:16:07,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:07,782 INFO L93 Difference]: Finished difference Result 424 states and 476 transitions. [2024-10-31 22:16:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:16:07,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2024-10-31 22:16:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:07,784 INFO L225 Difference]: With dead ends: 424 [2024-10-31 22:16:07,785 INFO L226 Difference]: Without dead ends: 398 [2024-10-31 22:16:07,785 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:16:07,786 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 456 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:07,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 416 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-31 22:16:07,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-10-31 22:16:07,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2024-10-31 22:16:07,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 272 states have (on average 1.4963235294117647) internal successors, (407), 375 states have internal predecessors, (407), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 22:16:07,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 449 transitions. [2024-10-31 22:16:07,804 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 449 transitions. Word has length 104 [2024-10-31 22:16:07,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:07,805 INFO L471 AbstractCegarLoop]: Abstraction has 398 states and 449 transitions. [2024-10-31 22:16:07,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-31 22:16:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 449 transitions. [2024-10-31 22:16:07,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-31 22:16:07,806 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:07,806 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-31 22:16:07,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-31 22:16:07,807 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:07,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:07,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1663949401, now seen corresponding path program 1 times [2024-10-31 22:16:07,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:07,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215254902] [2024-10-31 22:16:07,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:07,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:16:07,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1218061398] [2024-10-31 22:16:07,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:07,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:07,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:07,841 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:07,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:16:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:07,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-31 22:16:07,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:08,256 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-31 22:16:08,256 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:16:08,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:08,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215254902] [2024-10-31 22:16:08,257 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:16:08,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1218061398] [2024-10-31 22:16:08,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1218061398] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:16:08,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:16:08,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:16:08,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139395510] [2024-10-31 22:16:08,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:16:08,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:16:08,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:08,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:16:08,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:16:08,260 INFO L87 Difference]: Start difference. First operand 398 states and 449 transitions. Second operand has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:16:09,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:09,413 INFO L93 Difference]: Finished difference Result 398 states and 449 transitions. [2024-10-31 22:16:09,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:16:09,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 120 [2024-10-31 22:16:09,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:09,416 INFO L225 Difference]: With dead ends: 398 [2024-10-31 22:16:09,416 INFO L226 Difference]: Without dead ends: 388 [2024-10-31 22:16:09,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-31 22:16:09,417 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 235 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:09,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 247 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-31 22:16:09,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-10-31 22:16:09,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 388. [2024-10-31 22:16:09,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 272 states have (on average 1.4448529411764706) internal successors, (393), 365 states have internal predecessors, (393), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-10-31 22:16:09,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 435 transitions. [2024-10-31 22:16:09,435 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 435 transitions. Word has length 120 [2024-10-31 22:16:09,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:09,436 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 435 transitions. [2024-10-31 22:16:09,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.75) internal successors, (83), 5 states have internal predecessors, (83), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:16:09,436 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 435 transitions. [2024-10-31 22:16:09,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-31 22:16:09,438 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:09,438 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-31 22:16:09,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 22:16:09,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-31 22:16:09,642 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:09,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:09,643 INFO L85 PathProgramCache]: Analyzing trace with hash -42823788, now seen corresponding path program 1 times [2024-10-31 22:16:09,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:09,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596262362] [2024-10-31 22:16:09,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:09,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-31 22:16:09,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [230192179] [2024-10-31 22:16:09,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:09,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:09,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:09,678 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:09,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 22:16:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:09,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 22:16:09,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:16:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-31 22:16:10,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:16:11,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:11,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596262362] [2024-10-31 22:16:11,926 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-31 22:16:11,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230192179] [2024-10-31 22:16:11,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230192179] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:11,926 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:16:11,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-10-31 22:16:11,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565045751] [2024-10-31 22:16:11,927 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-31 22:16:11,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:16:11,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:16:11,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:16:11,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:16:11,929 INFO L87 Difference]: Start difference. First operand 388 states and 435 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:16:13,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:16:13,223 INFO L93 Difference]: Finished difference Result 514 states and 594 transitions. [2024-10-31 22:16:13,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:16:13,224 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 121 [2024-10-31 22:16:13,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:16:13,226 INFO L225 Difference]: With dead ends: 514 [2024-10-31 22:16:13,226 INFO L226 Difference]: Without dead ends: 491 [2024-10-31 22:16:13,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:16:13,227 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 131 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:16:13,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 410 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-31 22:16:13,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-10-31 22:16:13,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 473. [2024-10-31 22:16:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 352 states have (on average 1.4545454545454546) internal successors, (512), 445 states have internal predecessors, (512), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-10-31 22:16:13,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 564 transitions. [2024-10-31 22:16:13,250 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 564 transitions. Word has length 121 [2024-10-31 22:16:13,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:16:13,251 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 564 transitions. [2024-10-31 22:16:13,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:16:13,251 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 564 transitions. [2024-10-31 22:16:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-31 22:16:13,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:16:13,253 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-10-31 22:16:13,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 22:16:13,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:13,458 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2024-10-31 22:16:13,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:16:13,459 INFO L85 PathProgramCache]: Analyzing trace with hash -1327537335, now seen corresponding path program 1 times [2024-10-31 22:16:13,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:16:13,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127210637] [2024-10-31 22:16:13,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:13,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:16:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:13,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:16:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:13,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-31 22:16:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:13,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:16:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:13,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:16:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:13,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-31 22:16:13,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:13,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:16:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:13,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-10-31 22:16:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:13,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-31 22:16:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:13,635 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-10-31 22:16:13,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:16:13,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127210637] [2024-10-31 22:16:13,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127210637] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:16:13,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148088438] [2024-10-31 22:16:13,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:16:13,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:16:13,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:16:13,638 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:16:13,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e3c917ca-5e7e-401f-8806-43a9d89e2fd3/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 22:16:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:16:13,710 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:16:13,712 INFO L278 TraceCheckSpWp]: Computing forward predicates...