./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_init4_ground-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/standard_init4_ground-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 84dd450b83ffc0eda27ceeda48a4324978aec0ffc3f50cf64d7cfe4a88062bda --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:53:23,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:53:23,546 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 06:53:23,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:53:23,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:53:23,575 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:53:23,575 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:53:23,576 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:53:23,576 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 06:53:23,577 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 06:53:23,577 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:53:23,578 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:53:23,579 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:53:23,579 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:53:23,580 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:53:23,580 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:53:23,581 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:53:23,581 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:53:23,582 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:53:23,582 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:53:23,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:53:23,586 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:53:23,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:53:23,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:53:23,587 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 06:53:23,588 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:53:23,588 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:53:23,588 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:53:23,588 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:53:23,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:53:23,589 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:53:23,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 06:53:23,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:53:23,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:53:23,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:53:23,591 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:53:23,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:53:23,592 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:53:23,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:53:23,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:53:23,593 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:53:23,593 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:53:23,593 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:53:23,593 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:53:23,594 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_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84dd450b83ffc0eda27ceeda48a4324978aec0ffc3f50cf64d7cfe4a88062bda [2023-11-29 06:53:23,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:53:23,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:53:23,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:53:23,817 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:53:23,817 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:53:23,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/array-examples/standard_init4_ground-1.i [2023-11-29 06:53:26,743 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:53:26,906 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:53:26,906 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/sv-benchmarks/c/array-examples/standard_init4_ground-1.i [2023-11-29 06:53:26,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/data/d3858688a/d49990d448b24c8abab5adb3dbca996c/FLAG51929c5c8 [2023-11-29 06:53:26,931 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/data/d3858688a/d49990d448b24c8abab5adb3dbca996c [2023-11-29 06:53:26,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:53:26,935 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:53:26,937 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:53:26,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:53:26,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:53:26,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:53:26" (1/1) ... [2023-11-29 06:53:26,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c5573f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:26, skipping insertion in model container [2023-11-29 06:53:26,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:53:26" (1/1) ... [2023-11-29 06:53:26,969 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:53:27,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:53:27,151 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:53:27,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:53:27,189 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:53:27,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27 WrapperNode [2023-11-29 06:53:27,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:53:27,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:53:27,191 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:53:27,191 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:53:27,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,230 INFO L138 Inliner]: procedures = 15, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 73 [2023-11-29 06:53:27,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:53:27,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:53:27,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:53:27,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:53:27,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,261 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 4 writes are split as follows [0, 4]. [2023-11-29 06:53:27,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,262 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,273 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,277 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:53:27,278 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:53:27,278 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:53:27,278 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:53:27,279 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (1/1) ... [2023-11-29 06:53:27,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:53:27,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:27,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:53:27,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:53:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:53:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 06:53:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 06:53:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:53:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 06:53:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 06:53:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:53:27,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:53:27,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 06:53:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 06:53:27,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:53:27,439 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:53:27,441 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:53:27,595 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:53:27,622 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:53:27,622 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-29 06:53:27,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:27 BoogieIcfgContainer [2023-11-29 06:53:27,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:53:27,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:53:27,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:53:27,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:53:27,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:53:26" (1/3) ... [2023-11-29 06:53:27,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bad16ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:53:27, skipping insertion in model container [2023-11-29 06:53:27,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:53:27" (2/3) ... [2023-11-29 06:53:27,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bad16ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:53:27, skipping insertion in model container [2023-11-29 06:53:27,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:27" (3/3) ... [2023-11-29 06:53:27,633 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init4_ground-1.i [2023-11-29 06:53:27,664 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:53:27,664 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-11-29 06:53:27,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:53:27,722 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fce7526, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:53:27,723 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-29 06:53:27,726 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 25 states have (on average 1.88) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:27,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 06:53:27,732 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:27,732 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 06:53:27,733 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 06:53:27,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:27,737 INFO L85 PathProgramCache]: Analyzing trace with hash 137776, now seen corresponding path program 1 times [2023-11-29 06:53:27,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:27,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522045679] [2023-11-29 06:53:27,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:27,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:27,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:27,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522045679] [2023-11-29 06:53:27,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522045679] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:27,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:27,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 06:53:27,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074721418] [2023-11-29 06:53:27,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:27,939 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:53:27,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:27,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:27,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:27,973 INFO L87 Difference]: Start difference. First operand has 36 states, 25 states have (on average 1.88) internal successors, (47), 35 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:28,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:28,090 INFO L93 Difference]: Finished difference Result 79 states and 113 transitions. [2023-11-29 06:53:28,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:28,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2023-11-29 06:53:28,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:28,101 INFO L225 Difference]: With dead ends: 79 [2023-11-29 06:53:28,102 INFO L226 Difference]: Without dead ends: 44 [2023-11-29 06:53:28,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:28,109 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:28,110 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 31 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:28,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-29 06:53:28,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-29 06:53:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 34 states have (on average 1.411764705882353) internal successors, (48), 43 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2023-11-29 06:53:28,149 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 3 [2023-11-29 06:53:28,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:28,150 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2023-11-29 06:53:28,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:28,150 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2023-11-29 06:53:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 06:53:28,151 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:28,151 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2023-11-29 06:53:28,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:53:28,152 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 06:53:28,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:28,153 INFO L85 PathProgramCache]: Analyzing trace with hash -190437921, now seen corresponding path program 1 times [2023-11-29 06:53:28,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:28,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141216434] [2023-11-29 06:53:28,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:28,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,236 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:28,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:28,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141216434] [2023-11-29 06:53:28,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141216434] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:28,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062059823] [2023-11-29 06:53:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:28,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:28,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:28,240 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:28,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 06:53:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:53:28,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:53:28,349 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:28,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062059823] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:28,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:53:28,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2023-11-29 06:53:28,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759530199] [2023-11-29 06:53:28,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:28,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:53:28,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:28,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:53:28,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:53:28,354 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:28,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:28,428 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2023-11-29 06:53:28,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:53:28,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-29 06:53:28,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:28,430 INFO L225 Difference]: With dead ends: 44 [2023-11-29 06:53:28,430 INFO L226 Difference]: Without dead ends: 40 [2023-11-29 06:53:28,431 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:53:28,432 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:28,433 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 10 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:28,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-29 06:53:28,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-29 06:53:28,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.2941176470588236) internal successors, (44), 39 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:28,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2023-11-29 06:53:28,442 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 6 [2023-11-29 06:53:28,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:28,443 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2023-11-29 06:53:28,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2023-11-29 06:53:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-29 06:53:28,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:28,444 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2023-11-29 06:53:28,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:28,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-29 06:53:28,648 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 06:53:28,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:28,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1608608210, now seen corresponding path program 1 times [2023-11-29 06:53:28,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:28,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591051856] [2023-11-29 06:53:28,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:28,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 06:53:28,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:28,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591051856] [2023-11-29 06:53:28,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591051856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:28,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:28,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:53:28,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899558831] [2023-11-29 06:53:28,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:28,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:53:28,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:28,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:53:28,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:28,698 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:28,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:28,741 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2023-11-29 06:53:28,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:53:28,742 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2023-11-29 06:53:28,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:28,743 INFO L225 Difference]: With dead ends: 40 [2023-11-29 06:53:28,743 INFO L226 Difference]: Without dead ends: 36 [2023-11-29 06:53:28,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:53:28,745 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:28,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 21 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-29 06:53:28,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2023-11-29 06:53:28,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 27 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:28,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-11-29 06:53:28,752 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 7 [2023-11-29 06:53:28,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:28,752 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-11-29 06:53:28,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:28,753 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-29 06:53:28,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-29 06:53:28,754 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:28,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:28,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:53:28,755 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 06:53:28,755 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:28,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1749942542, now seen corresponding path program 1 times [2023-11-29 06:53:28,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:28,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94373430] [2023-11-29 06:53:28,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:28,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:53:28,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:28,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94373430] [2023-11-29 06:53:28,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94373430] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:28,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1635524358] [2023-11-29 06:53:28,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:28,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:28,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:28,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:28,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 06:53:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:28,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 06:53:28,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:28,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:53:28,939 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-29 06:53:28,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1635524358] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:28,965 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:53:28,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-11-29 06:53:28,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053889532] [2023-11-29 06:53:28,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:28,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 06:53:28,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:28,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 06:53:28,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:53:28,967 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:29,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:29,087 INFO L93 Difference]: Finished difference Result 87 states and 106 transitions. [2023-11-29 06:53:29,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:53:29,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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 25 [2023-11-29 06:53:29,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:29,089 INFO L225 Difference]: With dead ends: 87 [2023-11-29 06:53:29,089 INFO L226 Difference]: Without dead ends: 64 [2023-11-29 06:53:29,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-29 06:53:29,091 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 46 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:29,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 28 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 06:53:29,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-29 06:53:29,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-29 06:53:29,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 62 states have (on average 1.096774193548387) internal successors, (68), 63 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:29,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2023-11-29 06:53:29,102 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 25 [2023-11-29 06:53:29,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:29,102 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2023-11-29 06:53:29,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:29,102 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2023-11-29 06:53:29,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 06:53:29,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:29,105 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:29,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 06:53:29,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:29,307 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 06:53:29,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:29,307 INFO L85 PathProgramCache]: Analyzing trace with hash 142302200, now seen corresponding path program 2 times [2023-11-29 06:53:29,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:29,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904138739] [2023-11-29 06:53:29,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:29,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:29,496 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-29 06:53:29,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:29,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904138739] [2023-11-29 06:53:29,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904138739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:29,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:29,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:53:29,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459972600] [2023-11-29 06:53:29,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:29,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:53:29,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:29,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:53:29,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:29,499 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:29,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:29,530 INFO L93 Difference]: Finished difference Result 71 states and 75 transitions. [2023-11-29 06:53:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:53:29,531 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 61 [2023-11-29 06:53:29,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:29,532 INFO L225 Difference]: With dead ends: 71 [2023-11-29 06:53:29,533 INFO L226 Difference]: Without dead ends: 69 [2023-11-29 06:53:29,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:53:29,534 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 3 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:29,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 67 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:29,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-11-29 06:53:29,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2023-11-29 06:53:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 67 states have (on average 1.0895522388059702) internal successors, (73), 68 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:29,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 73 transitions. [2023-11-29 06:53:29,545 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 73 transitions. Word has length 61 [2023-11-29 06:53:29,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:29,546 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 73 transitions. [2023-11-29 06:53:29,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:29,546 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2023-11-29 06:53:29,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-29 06:53:29,548 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:29,548 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:29,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:53:29,549 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 06:53:29,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:29,549 INFO L85 PathProgramCache]: Analyzing trace with hash 66208268, now seen corresponding path program 1 times [2023-11-29 06:53:29,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:29,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114770664] [2023-11-29 06:53:29,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:29,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:29,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:29,708 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-29 06:53:29,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:29,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114770664] [2023-11-29 06:53:29,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114770664] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:29,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132310293] [2023-11-29 06:53:29,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:29,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:29,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:29,710 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:29,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 06:53:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:29,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 06:53:29,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:29,850 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-29 06:53:29,850 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:29,926 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-11-29 06:53:29,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132310293] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:29,927 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:53:29,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2023-11-29 06:53:29,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712587604] [2023-11-29 06:53:29,927 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:29,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 06:53:29,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:29,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 06:53:29,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:53:29,929 INFO L87 Difference]: Start difference. First operand 69 states and 73 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:30,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:30,196 INFO L93 Difference]: Finished difference Result 196 states and 227 transitions. [2023-11-29 06:53:30,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 06:53:30,197 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 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 66 [2023-11-29 06:53:30,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:30,198 INFO L225 Difference]: With dead ends: 196 [2023-11-29 06:53:30,198 INFO L226 Difference]: Without dead ends: 141 [2023-11-29 06:53:30,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2023-11-29 06:53:30,200 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 130 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:30,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 35 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 06:53:30,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2023-11-29 06:53:30,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2023-11-29 06:53:30,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 139 states have (on average 1.0431654676258992) internal successors, (145), 140 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:30,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 145 transitions. [2023-11-29 06:53:30,216 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 145 transitions. Word has length 66 [2023-11-29 06:53:30,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:30,216 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 145 transitions. [2023-11-29 06:53:30,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 12 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 145 transitions. [2023-11-29 06:53:30,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-29 06:53:30,220 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:30,220 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:30,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 06:53:30,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:30,426 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 06:53:30,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:30,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1689053900, now seen corresponding path program 2 times [2023-11-29 06:53:30,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:30,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066979217] [2023-11-29 06:53:30,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:30,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:30,900 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2023-11-29 06:53:30,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:30,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066979217] [2023-11-29 06:53:30,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066979217] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:30,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1909861534] [2023-11-29 06:53:30,901 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 06:53:30,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:30,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:30,904 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:30,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 06:53:31,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 06:53:31,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:53:31,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 06:53:31,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2023-11-29 06:53:31,132 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 06:53:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2023-11-29 06:53:31,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1909861534] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 06:53:31,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 06:53:31,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2023-11-29 06:53:31,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683491756] [2023-11-29 06:53:31,391 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 06:53:31,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-11-29 06:53:31,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:31,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-11-29 06:53:31,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 06:53:31,394 INFO L87 Difference]: Start difference. First operand 141 states and 145 transitions. Second operand has 25 states, 25 states have (on average 3.6) internal successors, (90), 24 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:31,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:31,903 INFO L93 Difference]: Finished difference Result 394 states and 449 transitions. [2023-11-29 06:53:31,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-11-29 06:53:31,904 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.6) internal successors, (90), 24 states have internal predecessors, (90), 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 138 [2023-11-29 06:53:31,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:31,906 INFO L225 Difference]: With dead ends: 394 [2023-11-29 06:53:31,906 INFO L226 Difference]: Without dead ends: 285 [2023-11-29 06:53:31,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2023-11-29 06:53:31,908 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 370 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 224 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 224 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:31,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 28 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [224 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 06:53:31,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2023-11-29 06:53:31,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2023-11-29 06:53:31,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 283 states have (on average 1.0212014134275618) internal successors, (289), 284 states have internal predecessors, (289), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 289 transitions. [2023-11-29 06:53:31,935 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 289 transitions. Word has length 138 [2023-11-29 06:53:31,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:31,936 INFO L495 AbstractCegarLoop]: Abstraction has 285 states and 289 transitions. [2023-11-29 06:53:31,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.6) internal successors, (90), 24 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:31,936 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 289 transitions. [2023-11-29 06:53:31,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2023-11-29 06:53:31,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:31,943 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:31,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-29 06:53:32,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:32,148 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 06:53:32,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:32,148 INFO L85 PathProgramCache]: Analyzing trace with hash -2097755060, now seen corresponding path program 3 times [2023-11-29 06:53:32,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:32,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705987284] [2023-11-29 06:53:32,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:32,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:33,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2864 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 2149 trivial. 0 not checked. [2023-11-29 06:53:33,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:33,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705987284] [2023-11-29 06:53:33,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705987284] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 06:53:33,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017557660] [2023-11-29 06:53:33,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 06:53:33,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:33,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:53:33,592 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 06:53:33,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 06:53:33,745 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-11-29 06:53:33,745 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 06:53:33,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 06:53:33,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 06:53:33,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2864 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2860 trivial. 0 not checked. [2023-11-29 06:53:33,833 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 06:53:33,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017557660] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:33,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-29 06:53:33,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [24] total 28 [2023-11-29 06:53:33,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065166539] [2023-11-29 06:53:33,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:33,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 06:53:33,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:33,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 06:53:33,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2023-11-29 06:53:33,836 INFO L87 Difference]: Start difference. First operand 285 states and 289 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:33,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:33,876 INFO L93 Difference]: Finished difference Result 285 states and 289 transitions. [2023-11-29 06:53:33,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:53:33,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 282 [2023-11-29 06:53:33,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:33,880 INFO L225 Difference]: With dead ends: 285 [2023-11-29 06:53:33,880 INFO L226 Difference]: Without dead ends: 284 [2023-11-29 06:53:33,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=312, Invalid=500, Unknown=0, NotChecked=0, Total=812 [2023-11-29 06:53:33,882 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 6 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:33,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 61 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:33,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2023-11-29 06:53:33,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2023-11-29 06:53:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 283 states have (on average 1.017667844522968) internal successors, (288), 283 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 288 transitions. [2023-11-29 06:53:33,901 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 288 transitions. Word has length 282 [2023-11-29 06:53:33,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:33,902 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 288 transitions. [2023-11-29 06:53:33,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:33,902 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 288 transitions. [2023-11-29 06:53:33,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-11-29 06:53:33,907 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 06:53:33,907 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:53:33,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 06:53:34,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 06:53:34,108 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2023-11-29 06:53:34,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:53:34,109 INFO L85 PathProgramCache]: Analyzing trace with hash -605897290, now seen corresponding path program 1 times [2023-11-29 06:53:34,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:53:34,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523728387] [2023-11-29 06:53:34,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:53:34,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:53:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:53:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2861 trivial. 0 not checked. [2023-11-29 06:53:34,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:53:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523728387] [2023-11-29 06:53:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523728387] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:53:34,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:53:34,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:53:34,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015275051] [2023-11-29 06:53:34,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:53:34,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 06:53:34,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:53:34,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 06:53:34,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 06:53:34,359 INFO L87 Difference]: Start difference. First operand 284 states and 288 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:34,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 06:53:34,380 INFO L93 Difference]: Finished difference Result 284 states and 288 transitions. [2023-11-29 06:53:34,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 06:53:34,380 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), 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 283 [2023-11-29 06:53:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 06:53:34,381 INFO L225 Difference]: With dead ends: 284 [2023-11-29 06:53:34,381 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 06:53:34,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 06:53:34,383 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 06:53:34,384 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 61 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 06:53:34,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 06:53:34,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 06:53:34,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:34,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 06:53:34,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 283 [2023-11-29 06:53:34,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 06:53:34,385 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 06:53:34,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 06:53:34,385 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 06:53:34,385 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 06:53:34,387 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2023-11-29 06:53:34,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2023-11-29 06:53:34,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2023-11-29 06:53:34,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2023-11-29 06:53:34,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2023-11-29 06:53:34,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2023-11-29 06:53:34,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2023-11-29 06:53:34,388 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2023-11-29 06:53:34,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2023-11-29 06:53:34,389 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2023-11-29 06:53:34,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:53:34,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 06:53:34,470 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2023-11-29 06:53:34,470 INFO L895 garLoopResultBuilder]: At program point L27-2(lines 27 30) the Hoare annotation is: (or (< 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0)) [2023-11-29 06:53:34,471 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 27 30) no Hoare annotation was computed. [2023-11-29 06:53:34,471 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-11-29 06:53:34,471 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-11-29 06:53:34,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-29 06:53:34,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2023-11-29 06:53:34,471 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed. [2023-11-29 06:53:34,471 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed. [2023-11-29 06:53:34,471 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 06:53:34,472 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-29 06:53:34,472 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2023-11-29 06:53:34,472 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2023-11-29 06:53:34,472 INFO L895 garLoopResultBuilder]: At program point L37-5(lines 37 39) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648))) [2023-11-29 06:53:34,472 INFO L899 garLoopResultBuilder]: For program point L37-6(lines 37 39) no Hoare annotation was computed. [2023-11-29 06:53:34,472 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2023-11-29 06:53:34,472 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2023-11-29 06:53:34,473 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2023-11-29 06:53:34,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 06:53:34,473 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2023-11-29 06:53:34,473 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 06:53:34,473 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 25) the Hoare annotation is: (or (< 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0)) [2023-11-29 06:53:34,473 INFO L899 garLoopResultBuilder]: For program point L22-3(lines 22 25) no Hoare annotation was computed. [2023-11-29 06:53:34,473 INFO L895 garLoopResultBuilder]: At program point L32-2(lines 32 35) the Hoare annotation is: (or (< 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0)) [2023-11-29 06:53:34,473 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:53:34,474 INFO L899 garLoopResultBuilder]: For program point L32-3(lines 32 35) no Hoare annotation was computed. [2023-11-29 06:53:34,474 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2023-11-29 06:53:34,474 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2023-11-29 06:53:34,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 06:53:34,474 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2023-11-29 06:53:34,474 INFO L895 garLoopResultBuilder]: At program point L17-2(lines 17 20) the Hoare annotation is: (or (< 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0)) [2023-11-29 06:53:34,474 INFO L899 garLoopResultBuilder]: For program point L17-3(lines 17 20) no Hoare annotation was computed. [2023-11-29 06:53:34,475 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-29 06:53:34,475 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-29 06:53:34,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2023-11-29 06:53:34,475 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-29 06:53:34,478 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2023-11-29 06:53:34,480 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:53:34,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:53:34 BoogieIcfgContainer [2023-11-29 06:53:34,490 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:53:34,491 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:53:34,491 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:53:34,491 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:53:34,491 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:53:27" (3/4) ... [2023-11-29 06:53:34,493 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:53:34,500 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-29 06:53:34,500 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 06:53:34,500 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 06:53:34,501 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 06:53:34,584 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:53:34,585 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:53:34,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:53:34,585 INFO L158 Benchmark]: Toolchain (without parser) took 7650.22ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 107.3MB in the beginning and 119.8MB in the end (delta: -12.4MB). Peak memory consumption was 58.6MB. Max. memory is 16.1GB. [2023-11-29 06:53:34,586 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:53:34,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.86ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 96.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 06:53:34,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.69ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 95.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:53:34,587 INFO L158 Benchmark]: Boogie Preprocessor took 46.21ms. Allocated memory is still 151.0MB. Free memory was 95.5MB in the beginning and 93.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:53:34,587 INFO L158 Benchmark]: RCFGBuilder took 345.03ms. Allocated memory is still 151.0MB. Free memory was 93.4MB in the beginning and 81.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 06:53:34,588 INFO L158 Benchmark]: TraceAbstraction took 6864.03ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 80.5MB in the beginning and 125.0MB in the end (delta: -44.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2023-11-29 06:53:34,588 INFO L158 Benchmark]: Witness Printer took 94.19ms. Allocated memory is still 220.2MB. Free memory was 125.0MB in the beginning and 119.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-29 06:53:34,590 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.86ms. Allocated memory is still 151.0MB. Free memory was 107.3MB in the beginning and 96.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.69ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 95.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.21ms. Allocated memory is still 151.0MB. Free memory was 95.5MB in the beginning and 93.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 345.03ms. Allocated memory is still 151.0MB. Free memory was 93.4MB in the beginning and 81.1MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6864.03ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 80.5MB in the beginning and 125.0MB in the end (delta: -44.6MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Witness Printer took 94.19ms. Allocated memory is still 220.2MB. Free memory was 125.0MB in the beginning and 119.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 36 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 6.8s, OverallIterations: 9, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 615 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 615 mSDsluCounter, 342 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 384 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 669 IncrementalHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 384 mSolverCounterUnsat, 154 mSDtfsCounter, 669 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 798 GetRequests, 721 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=285occurred in iteration=7, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 98 NumberOfFragments, 37 HoareAnnotationTreeSize, 5 FomulaSimplifications, 708 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 1388 NumberOfCodeBlocks, 1136 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1600 ConstructedInterpolants, 0 QuantifiedInterpolants, 2086 SizeOfPredicates, 1 NumberOfNonLiveVariables, 880 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 9507/10728 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((1 <= i) && (0 <= (x + 2147483648))) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-29 06:53:34,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4043039f-30d8-47c1-90f4-ee50bbac07af/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE