./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 10dd9db220e8f975638086d64b1bfc4d3d3aa1479afc97ef62d6deeabc3d6d4f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:05:41,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:05:41,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:05:41,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:05:41,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:05:41,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:05:41,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:05:41,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:05:41,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:05:41,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:05:41,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:05:41,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:05:41,554 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:05:41,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:05:41,554 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:05:41,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:05:41,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:05:41,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:05:41,558 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:05:41,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:05:41,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:05:41,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:05:41,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:05:41,560 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:05:41,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:05:41,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:05:41,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:05:41,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:05:41,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:05:41,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:05:41,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:05:41,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:41,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:05:41,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:05:41,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:05:41,567 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:05:41,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:05:41,580 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:05:41,580 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:05:41,580 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:05:41,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:05:41,581 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_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10dd9db220e8f975638086d64b1bfc4d3d3aa1479afc97ef62d6deeabc3d6d4f [2024-10-31 22:05:41,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:05:41,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:05:41,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:05:41,904 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:05:41,904 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:05:41,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_good.i Unable to find full path for "g++" [2024-10-31 22:05:43,994 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:05:44,396 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:05:44,397 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_08_good.i [2024-10-31 22:05:44,433 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/data/a347d1f1d/bd5c508fb9f745b1b4cabd79d2f89782/FLAG5313d2a2c [2024-10-31 22:05:44,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/data/a347d1f1d/bd5c508fb9f745b1b4cabd79d2f89782 [2024-10-31 22:05:44,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:05:44,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:05:44,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:44,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:05:44,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:05:44,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:44" (1/1) ... [2024-10-31 22:05:44,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4588ccbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:44, skipping insertion in model container [2024-10-31 22:05:44,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:05:44" (1/1) ... [2024-10-31 22:05:44,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:05:45,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:45,816 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:05:45,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:05:46,139 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:05:46,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46 WrapperNode [2024-10-31 22:05:46,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:05:46,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:46,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:05:46,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:05:46,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,226 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 133 [2024-10-31 22:05:46,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:05:46,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:05:46,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:05:46,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:05:46,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,256 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,279 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:05:46,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,295 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,301 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,302 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:05:46,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:05:46,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:05:46,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:05:46,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (1/1) ... [2024-10-31 22:05:46,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:05:46,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:46,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:05:46,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:05:46,426 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-10-31 22:05:46,426 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-10-31 22:05:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-31 22:05:46,427 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-31 22:05:46,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:05:46,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:05:46,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:05:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-10-31 22:05:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-10-31 22:05:46,429 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-10-31 22:05:46,429 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-10-31 22:05:46,639 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:05:46,640 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:05:46,901 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-31 22:05:46,901 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:05:46,924 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:05:46,928 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:05:46,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:46 BoogieIcfgContainer [2024-10-31 22:05:46,929 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:05:46,932 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:05:46,932 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:05:46,936 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:05:46,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:05:44" (1/3) ... [2024-10-31 22:05:46,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f466739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:46, skipping insertion in model container [2024-10-31 22:05:46,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:05:46" (2/3) ... [2024-10-31 22:05:46,938 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f466739 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:05:46, skipping insertion in model container [2024-10-31 22:05:46,938 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:46" (3/3) ... [2024-10-31 22:05:46,939 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_predec_08_good.i [2024-10-31 22:05:46,960 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:05:46,960 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-10-31 22:05:47,028 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:05:47,034 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5a861055, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:05:47,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-10-31 22:05:47,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 62 states have internal predecessors, (73), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-10-31 22:05:47,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-31 22:05:47,049 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:47,050 INFO L215 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] [2024-10-31 22:05:47,050 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:47,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:47,057 INFO L85 PathProgramCache]: Analyzing trace with hash 827363823, now seen corresponding path program 1 times [2024-10-31 22:05:47,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:47,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259375859] [2024-10-31 22:05:47,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:47,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:47,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:47,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259375859] [2024-10-31 22:05:47,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259375859] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:47,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:47,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:05:47,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880308892] [2024-10-31 22:05:47,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:47,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:47,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:47,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:47,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:47,540 INFO L87 Difference]: Start difference. First operand has 85 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 62 states have internal predecessors, (73), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:05:47,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:47,606 INFO L93 Difference]: Finished difference Result 162 states and 206 transitions. [2024-10-31 22:05:47,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:47,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-10-31 22:05:47,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:47,618 INFO L225 Difference]: With dead ends: 162 [2024-10-31 22:05:47,618 INFO L226 Difference]: Without dead ends: 83 [2024-10-31 22:05:47,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:47,624 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 2 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:47,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 216 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:47,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-31 22:05:47,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2024-10-31 22:05:47,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 58 states have internal predecessors, (69), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-10-31 22:05:47,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2024-10-31 22:05:47,669 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 22 [2024-10-31 22:05:47,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:47,670 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2024-10-31 22:05:47,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:05:47,670 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2024-10-31 22:05:47,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-10-31 22:05:47,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:47,672 INFO L215 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] [2024-10-31 22:05:47,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:05:47,673 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:47,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:47,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1507422193, now seen corresponding path program 1 times [2024-10-31 22:05:47,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:47,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639271915] [2024-10-31 22:05:47,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:47,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:47,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:05:47,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:47,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639271915] [2024-10-31 22:05:47,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639271915] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:47,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:47,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:05:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705436380] [2024-10-31 22:05:47,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:47,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:05:47,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:47,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:05:47,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:05:47,893 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:05:47,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:47,933 INFO L93 Difference]: Finished difference Result 139 states and 176 transitions. [2024-10-31 22:05:47,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:05:47,934 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-10-31 22:05:47,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:47,935 INFO L225 Difference]: With dead ends: 139 [2024-10-31 22:05:47,935 INFO L226 Difference]: Without dead ends: 70 [2024-10-31 22:05:47,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:05:47,937 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:47,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 253 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:47,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-31 22:05:47,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-31 22:05:47,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 45 states have (on average 1.288888888888889) internal successors, (58), 50 states have internal predecessors, (58), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-31 22:05:47,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 88 transitions. [2024-10-31 22:05:47,957 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 88 transitions. Word has length 22 [2024-10-31 22:05:47,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:47,957 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 88 transitions. [2024-10-31 22:05:47,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:05:47,958 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 88 transitions. [2024-10-31 22:05:47,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-10-31 22:05:47,959 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:47,959 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:47,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-31 22:05:47,960 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:47,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:47,961 INFO L85 PathProgramCache]: Analyzing trace with hash 785851401, now seen corresponding path program 1 times [2024-10-31 22:05:47,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:47,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708096774] [2024-10-31 22:05:47,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:47,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:47,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:05:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:05:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-31 22:05:48,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,135 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-31 22:05:48,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:48,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708096774] [2024-10-31 22:05:48,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708096774] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:48,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:48,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:05:48,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502207795] [2024-10-31 22:05:48,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:48,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:05:48,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:48,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:05:48,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:05:48,139 INFO L87 Difference]: Start difference. First operand 70 states and 88 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:05:48,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:48,161 INFO L93 Difference]: Finished difference Result 125 states and 155 transitions. [2024-10-31 22:05:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:05:48,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2024-10-31 22:05:48,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:48,163 INFO L225 Difference]: With dead ends: 125 [2024-10-31 22:05:48,163 INFO L226 Difference]: Without dead ends: 68 [2024-10-31 22:05:48,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:05:48,165 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:48,166 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:48,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-10-31 22:05:48,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2024-10-31 22:05:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 49 states have internal predecessors, (56), 14 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-10-31 22:05:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 84 transitions. [2024-10-31 22:05:48,175 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 84 transitions. Word has length 41 [2024-10-31 22:05:48,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:48,176 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 84 transitions. [2024-10-31 22:05:48,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:05:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 84 transitions. [2024-10-31 22:05:48,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-31 22:05:48,178 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:48,178 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:48,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:05:48,179 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:48,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:48,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1333168782, now seen corresponding path program 1 times [2024-10-31 22:05:48,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:48,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892460477] [2024-10-31 22:05:48,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:48,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:48,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:05:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:05:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,278 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-31 22:05:48,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:48,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892460477] [2024-10-31 22:05:48,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892460477] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:48,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:48,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:05:48,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414517885] [2024-10-31 22:05:48,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:48,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:48,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:48,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:48,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:48,285 INFO L87 Difference]: Start difference. First operand 68 states and 84 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:05:48,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:48,310 INFO L93 Difference]: Finished difference Result 118 states and 143 transitions. [2024-10-31 22:05:48,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:48,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-10-31 22:05:48,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:48,313 INFO L225 Difference]: With dead ends: 118 [2024-10-31 22:05:48,313 INFO L226 Difference]: Without dead ends: 73 [2024-10-31 22:05:48,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:05:48,315 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 1 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:48,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 158 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:48,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-10-31 22:05:48,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 72. [2024-10-31 22:05:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 52 states have internal predecessors, (60), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-31 22:05:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 90 transitions. [2024-10-31 22:05:48,329 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 90 transitions. Word has length 42 [2024-10-31 22:05:48,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:48,330 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 90 transitions. [2024-10-31 22:05:48,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:05:48,330 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2024-10-31 22:05:48,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-10-31 22:05:48,331 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:48,332 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:48,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-31 22:05:48,332 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:48,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:48,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2013227152, now seen corresponding path program 1 times [2024-10-31 22:05:48,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:48,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284494462] [2024-10-31 22:05:48,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:48,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:48,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:05:48,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:05:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,481 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 22:05:48,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:48,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284494462] [2024-10-31 22:05:48,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284494462] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:05:48,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731292653] [2024-10-31 22:05:48,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:48,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:48,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:48,487 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:05:48,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:05:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:48,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:05:48,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:48,721 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-31 22:05:48,721 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:48,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731292653] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:48,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:05:48,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:05:48,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852513312] [2024-10-31 22:05:48,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:48,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:48,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:48,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:48,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:48,724 INFO L87 Difference]: Start difference. First operand 72 states and 90 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:05:48,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:48,759 INFO L93 Difference]: Finished difference Result 114 states and 138 transitions. [2024-10-31 22:05:48,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:48,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-10-31 22:05:48,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:48,761 INFO L225 Difference]: With dead ends: 114 [2024-10-31 22:05:48,761 INFO L226 Difference]: Without dead ends: 72 [2024-10-31 22:05:48,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:48,763 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:48,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 153 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:48,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-31 22:05:48,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2024-10-31 22:05:48,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 51 states have internal predecessors, (58), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-31 22:05:48,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2024-10-31 22:05:48,782 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 42 [2024-10-31 22:05:48,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:48,783 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2024-10-31 22:05:48,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:05:48,783 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2024-10-31 22:05:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-10-31 22:05:48,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:48,788 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:48,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:05:48,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:48,989 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:48,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:48,990 INFO L85 PathProgramCache]: Analyzing trace with hash -2014467630, now seen corresponding path program 1 times [2024-10-31 22:05:48,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:48,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573683150] [2024-10-31 22:05:48,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:48,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:05:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:05:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,090 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-31 22:05:49,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:49,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573683150] [2024-10-31 22:05:49,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573683150] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:05:49,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112128293] [2024-10-31 22:05:49,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:49,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:49,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:49,092 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:05:49,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:05:49,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:05:49,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:49,237 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-10-31 22:05:49,237 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:49,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112128293] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:49,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:05:49,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:05:49,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584887197] [2024-10-31 22:05:49,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:49,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:49,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:49,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:49,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:49,239 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:05:49,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:49,268 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2024-10-31 22:05:49,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:49,270 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-10-31 22:05:49,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:49,271 INFO L225 Difference]: With dead ends: 72 [2024-10-31 22:05:49,271 INFO L226 Difference]: Without dead ends: 71 [2024-10-31 22:05:49,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:49,272 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 1 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:49,273 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 146 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:49,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-31 22:05:49,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-10-31 22:05:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 50 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-31 22:05:49,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2024-10-31 22:05:49,291 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 43 [2024-10-31 22:05:49,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:49,291 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2024-10-31 22:05:49,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-10-31 22:05:49,292 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2024-10-31 22:05:49,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-31 22:05:49,296 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:49,296 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:49,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:05:49,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-31 22:05:49,497 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:49,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:49,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1583071971, now seen corresponding path program 1 times [2024-10-31 22:05:49,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:49,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203164931] [2024-10-31 22:05:49,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:49,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:05:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:05:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-31 22:05:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:05:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-31 22:05:49,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:49,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203164931] [2024-10-31 22:05:49,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203164931] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:05:49,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968983077] [2024-10-31 22:05:49,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:49,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:49,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:49,642 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:05:49,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:05:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:49,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:05:49,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:49,778 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-31 22:05:49,779 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:49,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968983077] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:49,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:05:49,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:05:49,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21422916] [2024-10-31 22:05:49,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:49,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:49,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:49,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:49,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:49,782 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:05:49,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:49,801 INFO L93 Difference]: Finished difference Result 71 states and 88 transitions. [2024-10-31 22:05:49,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:49,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 54 [2024-10-31 22:05:49,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:49,804 INFO L225 Difference]: With dead ends: 71 [2024-10-31 22:05:49,804 INFO L226 Difference]: Without dead ends: 70 [2024-10-31 22:05:49,804 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:49,805 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 5 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:49,805 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 144 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:49,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-31 22:05:49,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2024-10-31 22:05:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.1914893617021276) internal successors, (56), 49 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-31 22:05:49,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2024-10-31 22:05:49,813 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 54 [2024-10-31 22:05:49,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:49,814 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2024-10-31 22:05:49,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:05:49,814 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2024-10-31 22:05:49,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-31 22:05:49,815 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:49,815 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:49,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-31 22:05:50,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:50,017 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:50,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:50,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1830590973, now seen corresponding path program 1 times [2024-10-31 22:05:50,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:50,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182518107] [2024-10-31 22:05:50,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:50,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:05:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:05:50,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-31 22:05:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:05:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,130 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-31 22:05:50,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:50,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182518107] [2024-10-31 22:05:50,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182518107] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:05:50,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064519402] [2024-10-31 22:05:50,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:50,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:50,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:50,134 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:05:50,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:05:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:05:50,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:50,273 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-31 22:05:50,273 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:50,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064519402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:50,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:05:50,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:05:50,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591003885] [2024-10-31 22:05:50,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:50,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:50,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:50,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:50,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:50,275 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:05:50,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:50,301 INFO L93 Difference]: Finished difference Result 76 states and 95 transitions. [2024-10-31 22:05:50,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:50,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2024-10-31 22:05:50,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:50,304 INFO L225 Difference]: With dead ends: 76 [2024-10-31 22:05:50,304 INFO L226 Difference]: Without dead ends: 75 [2024-10-31 22:05:50,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:50,305 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 1 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:50,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 154 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:50,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-10-31 22:05:50,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-10-31 22:05:50,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.196078431372549) internal successors, (61), 53 states have internal predecessors, (61), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-10-31 22:05:50,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2024-10-31 22:05:50,323 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 55 [2024-10-31 22:05:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:50,324 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2024-10-31 22:05:50,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-31 22:05:50,324 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2024-10-31 22:05:50,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-31 22:05:50,325 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:50,325 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:50,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-31 22:05:50,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:50,531 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:50,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:50,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1379110164, now seen corresponding path program 1 times [2024-10-31 22:05:50,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:50,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869506861] [2024-10-31 22:05:50,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:50,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:05:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:05:50,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-31 22:05:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:05:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-31 22:05:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,709 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-31 22:05:50,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:50,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869506861] [2024-10-31 22:05:50,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869506861] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:05:50,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517932368] [2024-10-31 22:05:50,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:50,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:50,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:50,714 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:05:50,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:05:50,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:50,822 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:05:50,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:50,857 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-10-31 22:05:50,857 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:50,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517932368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:50,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:05:50,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:05:50,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334964249] [2024-10-31 22:05:50,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:50,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:50,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:50,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:50,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:50,860 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-31 22:05:50,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:50,872 INFO L93 Difference]: Finished difference Result 75 states and 94 transitions. [2024-10-31 22:05:50,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:50,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2024-10-31 22:05:50,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:50,874 INFO L225 Difference]: With dead ends: 75 [2024-10-31 22:05:50,874 INFO L226 Difference]: Without dead ends: 74 [2024-10-31 22:05:50,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:50,875 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:50,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 144 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:50,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-10-31 22:05:50,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 68. [2024-10-31 22:05:50,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 48 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-31 22:05:50,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2024-10-31 22:05:50,883 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 61 [2024-10-31 22:05:50,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:50,884 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2024-10-31 22:05:50,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-31 22:05:50,884 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2024-10-31 22:05:50,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-10-31 22:05:50,885 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:50,886 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:50,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-31 22:05:51,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:51,090 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:51,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:51,091 INFO L85 PathProgramCache]: Analyzing trace with hash -2123370612, now seen corresponding path program 1 times [2024-10-31 22:05:51,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:51,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185207823] [2024-10-31 22:05:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:51,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:05:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:05:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-31 22:05:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:05:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:05:51,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:05:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,272 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-31 22:05:51,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:51,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185207823] [2024-10-31 22:05:51,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185207823] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:05:51,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432405237] [2024-10-31 22:05:51,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:51,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:51,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:51,275 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:05:51,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-31 22:05:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:05:51,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:51,411 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-31 22:05:51,411 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:51,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432405237] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:51,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:05:51,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:05:51,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356819350] [2024-10-31 22:05:51,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:51,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:51,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:51,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:51,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:51,413 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-31 22:05:51,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:51,431 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions. [2024-10-31 22:05:51,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:51,432 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2024-10-31 22:05:51,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:51,433 INFO L225 Difference]: With dead ends: 68 [2024-10-31 22:05:51,433 INFO L226 Difference]: Without dead ends: 67 [2024-10-31 22:05:51,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:51,434 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 3 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:51,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 146 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:51,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-31 22:05:51,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-31 22:05:51,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.148936170212766) internal successors, (54), 47 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-31 22:05:51,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2024-10-31 22:05:51,444 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 67 [2024-10-31 22:05:51,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:51,444 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2024-10-31 22:05:51,445 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-31 22:05:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2024-10-31 22:05:51,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-31 22:05:51,446 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:51,446 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:51,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-31 22:05:51,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-10-31 22:05:51,653 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:51,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:51,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1399979381, now seen corresponding path program 1 times [2024-10-31 22:05:51,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:51,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341571857] [2024-10-31 22:05:51,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:51,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:51,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:05:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:05:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-31 22:05:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:05:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:05:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:05:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,829 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-31 22:05:51,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:51,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341571857] [2024-10-31 22:05:51,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341571857] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:05:51,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293357094] [2024-10-31 22:05:51,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:51,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:51,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:51,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:05:51,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-31 22:05:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:51,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:05:51,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-31 22:05:51,962 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:51,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293357094] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:51,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:05:51,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:05:51,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421740196] [2024-10-31 22:05:51,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:51,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:51,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:51,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:51,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:51,965 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-31 22:05:51,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:51,975 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2024-10-31 22:05:51,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:51,976 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2024-10-31 22:05:51,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:51,977 INFO L225 Difference]: With dead ends: 73 [2024-10-31 22:05:51,977 INFO L226 Difference]: Without dead ends: 67 [2024-10-31 22:05:51,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:51,978 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:51,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 157 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:51,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-31 22:05:51,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-10-31 22:05:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 47 states have (on average 1.127659574468085) internal successors, (53), 47 states have internal predecessors, (53), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-10-31 22:05:51,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2024-10-31 22:05:51,985 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 68 [2024-10-31 22:05:51,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:51,986 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2024-10-31 22:05:51,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-31 22:05:51,986 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2024-10-31 22:05:51,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-31 22:05:51,987 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:05:51,987 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:52,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-31 22:05:52,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:52,192 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-10-31 22:05:52,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:05:52,193 INFO L85 PathProgramCache]: Analyzing trace with hash -719921011, now seen corresponding path program 1 times [2024-10-31 22:05:52,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:05:52,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765843481] [2024-10-31 22:05:52,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:52,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:05:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:05:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-31 22:05:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:05:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-31 22:05:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-31 22:05:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:05:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-31 22:05:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-31 22:05:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-31 22:05:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:05:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,364 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-31 22:05:52,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:52,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765843481] [2024-10-31 22:05:52,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765843481] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:05:52,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690233513] [2024-10-31 22:05:52,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:05:52,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:52,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:05:52,367 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:05:52,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-31 22:05:52,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:52,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:05:52,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:05:52,501 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-10-31 22:05:52,501 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:05:52,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690233513] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:52,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:05:52,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:05:52,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684302977] [2024-10-31 22:05:52,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:52,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:05:52,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:52,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:05:52,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:52,503 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-31 22:05:52,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:05:52,511 INFO L93 Difference]: Finished difference Result 67 states and 83 transitions. [2024-10-31 22:05:52,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:05:52,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2024-10-31 22:05:52,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:05:52,512 INFO L225 Difference]: With dead ends: 67 [2024-10-31 22:05:52,512 INFO L226 Difference]: Without dead ends: 0 [2024-10-31 22:05:52,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:52,514 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:05:52,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:05:52,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-31 22:05:52,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-31 22:05:52,516 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) [2024-10-31 22:05:52,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-31 22:05:52,517 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2024-10-31 22:05:52,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:05:52,517 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-31 22:05:52,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-10-31 22:05:52,517 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-31 22:05:52,517 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-31 22:05:52,520 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-10-31 22:05:52,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-10-31 22:05:52,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-10-31 22:05:52,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-10-31 22:05:52,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-10-31 22:05:52,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-10-31 22:05:52,521 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-10-31 22:05:52,522 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-10-31 22:05:52,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-31 22:05:52,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:05:52,726 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:05:52,728 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-31 22:05:52,864 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-10-31 22:05:52,883 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-10-31 22:05:52,888 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-10-31 22:05:52,888 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-10-31 22:05:52,888 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper [2024-10-31 22:05:52,889 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower [2024-10-31 22:05:52,889 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha [2024-10-31 22:05:52,889 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit [2024-10-31 22:05:52,889 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit [2024-10-31 22:05:52,889 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace [2024-10-31 22:05:52,889 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint [2024-10-31 22:05:52,889 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph [2024-10-31 22:05:52,889 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank [2024-10-31 22:05:52,890 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl [2024-10-31 22:05:52,890 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct [2024-10-31 22:05:52,890 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum [2024-10-31 22:05:52,890 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper [2024-10-31 22:05:52,890 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower [2024-10-31 22:05:52,890 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha [2024-10-31 22:05:52,890 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit [2024-10-31 22:05:52,891 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit [2024-10-31 22:05:52,891 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace [2024-10-31 22:05:52,891 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint [2024-10-31 22:05:52,891 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph [2024-10-31 22:05:52,895 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank [2024-10-31 22:05:52,895 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl [2024-10-31 22:05:52,896 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct [2024-10-31 22:05:52,896 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum [2024-10-31 22:05:52,897 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper [2024-10-31 22:05:52,897 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower [2024-10-31 22:05:52,897 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha [2024-10-31 22:05:52,897 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit [2024-10-31 22:05:52,900 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit [2024-10-31 22:05:52,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace [2024-10-31 22:05:52,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint [2024-10-31 22:05:52,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph [2024-10-31 22:05:52,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank [2024-10-31 22:05:52,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl [2024-10-31 22:05:52,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct [2024-10-31 22:05:52,901 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum [2024-10-31 22:05:52,917 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-10-31 22:05:52,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-10-31 22:05:52,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-10-31 22:05:52,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper [2024-10-31 22:05:52,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower [2024-10-31 22:05:52,918 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha [2024-10-31 22:05:52,919 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit [2024-10-31 22:05:52,922 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit [2024-10-31 22:05:52,922 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace [2024-10-31 22:05:52,923 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint [2024-10-31 22:05:52,923 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph [2024-10-31 22:05:52,923 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank [2024-10-31 22:05:52,923 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl [2024-10-31 22:05:52,923 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct [2024-10-31 22:05:52,923 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum [2024-10-31 22:05:52,923 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper [2024-10-31 22:05:52,924 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower [2024-10-31 22:05:52,924 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha [2024-10-31 22:05:52,924 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit [2024-10-31 22:05:52,924 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit [2024-10-31 22:05:52,924 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace [2024-10-31 22:05:52,928 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint [2024-10-31 22:05:52,928 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph [2024-10-31 22:05:52,929 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank [2024-10-31 22:05:52,929 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl [2024-10-31 22:05:52,929 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct [2024-10-31 22:05:52,929 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum [2024-10-31 22:05:52,929 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper [2024-10-31 22:05:52,929 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower [2024-10-31 22:05:52,929 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha [2024-10-31 22:05:52,929 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit [2024-10-31 22:05:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit [2024-10-31 22:05:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace [2024-10-31 22:05:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint [2024-10-31 22:05:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph [2024-10-31 22:05:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank [2024-10-31 22:05:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl [2024-10-31 22:05:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct [2024-10-31 22:05:52,930 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum [2024-10-31 22:05:52,933 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-10-31 22:05:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-10-31 22:05:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-10-31 22:05:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper [2024-10-31 22:05:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower [2024-10-31 22:05:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha [2024-10-31 22:05:52,934 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit [2024-10-31 22:05:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit [2024-10-31 22:05:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace [2024-10-31 22:05:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint [2024-10-31 22:05:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph [2024-10-31 22:05:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank [2024-10-31 22:05:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl [2024-10-31 22:05:52,935 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct [2024-10-31 22:05:52,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum [2024-10-31 22:05:52,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper [2024-10-31 22:05:52,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower [2024-10-31 22:05:52,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha [2024-10-31 22:05:52,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit [2024-10-31 22:05:52,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit [2024-10-31 22:05:52,936 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace [2024-10-31 22:05:52,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint [2024-10-31 22:05:52,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph [2024-10-31 22:05:52,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank [2024-10-31 22:05:52,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl [2024-10-31 22:05:52,937 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct [2024-10-31 22:05:52,941 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum [2024-10-31 22:05:52,942 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper [2024-10-31 22:05:52,942 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower [2024-10-31 22:05:52,942 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha [2024-10-31 22:05:52,942 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit [2024-10-31 22:05:52,942 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit [2024-10-31 22:05:52,942 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace [2024-10-31 22:05:52,943 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint [2024-10-31 22:05:52,943 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph [2024-10-31 22:05:52,943 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank [2024-10-31 22:05:52,943 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl [2024-10-31 22:05:52,943 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct [2024-10-31 22:05:52,943 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum [2024-10-31 22:05:52,944 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-10-31 22:05:52,944 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-10-31 22:05:52,944 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-10-31 22:05:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper [2024-10-31 22:05:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower [2024-10-31 22:05:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha [2024-10-31 22:05:52,945 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit [2024-10-31 22:05:52,949 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit [2024-10-31 22:05:52,949 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace [2024-10-31 22:05:52,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint [2024-10-31 22:05:52,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph [2024-10-31 22:05:52,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank [2024-10-31 22:05:52,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl [2024-10-31 22:05:52,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct [2024-10-31 22:05:52,950 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum [2024-10-31 22:05:52,953 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper [2024-10-31 22:05:52,953 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower [2024-10-31 22:05:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha [2024-10-31 22:05:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit [2024-10-31 22:05:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit [2024-10-31 22:05:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace [2024-10-31 22:05:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint [2024-10-31 22:05:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph [2024-10-31 22:05:52,954 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank [2024-10-31 22:05:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl [2024-10-31 22:05:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct [2024-10-31 22:05:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum [2024-10-31 22:05:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper [2024-10-31 22:05:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower [2024-10-31 22:05:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha [2024-10-31 22:05:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit [2024-10-31 22:05:52,955 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit [2024-10-31 22:05:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace [2024-10-31 22:05:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint [2024-10-31 22:05:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph [2024-10-31 22:05:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank [2024-10-31 22:05:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl [2024-10-31 22:05:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct [2024-10-31 22:05:52,956 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum [2024-10-31 22:05:52,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.10 10:05:52 BoogieIcfgContainer [2024-10-31 22:05:52,957 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-31 22:05:52,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:05:52,958 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:05:52,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:05:52,958 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:05:46" (3/4) ... [2024-10-31 22:05:52,961 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-10-31 22:05:52,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-10-31 22:05:52,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-10-31 22:05:52,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-10-31 22:05:52,966 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-10-31 22:05:52,971 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-10-31 22:05:52,971 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-10-31 22:05:52,972 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-31 22:05:52,972 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-31 22:05:53,086 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:05:53,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/witness.yml [2024-10-31 22:05:53,087 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:05:53,088 INFO L158 Benchmark]: Toolchain (without parser) took 8625.58ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 94.5MB in the beginning and 76.1MB in the end (delta: 18.3MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2024-10-31 22:05:53,088 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:05:53,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1674.91ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 58.2MB in the end (delta: 35.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2024-10-31 22:05:53,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.50ms. Allocated memory is still 127.9MB. Free memory was 58.2MB in the beginning and 54.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-31 22:05:53,089 INFO L158 Benchmark]: Boogie Preprocessor took 74.35ms. Allocated memory is still 127.9MB. Free memory was 54.8MB in the beginning and 52.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:05:53,090 INFO L158 Benchmark]: RCFGBuilder took 618.46ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 52.7MB in the beginning and 118.3MB in the end (delta: -65.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-31 22:05:53,090 INFO L158 Benchmark]: TraceAbstraction took 6025.05ms. Allocated memory is still 163.6MB. Free memory was 117.4MB in the beginning and 82.4MB in the end (delta: 35.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-10-31 22:05:53,091 INFO L158 Benchmark]: Witness Printer took 129.55ms. Allocated memory is still 163.6MB. Free memory was 82.4MB in the beginning and 76.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-31 22:05:53,092 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1674.91ms. Allocated memory is still 127.9MB. Free memory was 94.0MB in the beginning and 58.2MB in the end (delta: 35.8MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.50ms. Allocated memory is still 127.9MB. Free memory was 58.2MB in the beginning and 54.8MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.35ms. Allocated memory is still 127.9MB. Free memory was 54.8MB in the beginning and 52.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 618.46ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 52.7MB in the beginning and 118.3MB in the end (delta: -65.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 6025.05ms. Allocated memory is still 163.6MB. Free memory was 117.4MB in the beginning and 82.4MB in the end (delta: 35.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * Witness Printer took 129.55ms. Allocated memory is still 163.6MB. Free memory was 82.4MB in the beginning and 76.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IScntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__ISwalnum - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwupper - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwlower - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalpha - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwxdigit - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwspace - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwprint - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwgraph - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwblank - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwcntrl - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwpunct - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~_ISwalnum * 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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 5 procedures, 85 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.7s, OverallIterations: 12, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 2057 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1063 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 75 IncrementalHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 994 mSDtfsCounter, 75 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 656 GetRequests, 626 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 38, 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, 12 MinimizatonAttempts, 14 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 1043 NumberOfCodeBlocks, 1043 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1023 ConstructedInterpolants, 0 QuantifiedInterpolants, 1277 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1444 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 12 PerfectInterpolantSequences, 528/556 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 8 specifications checked. All of them hold - ProcedureContractResult [Line: 1412]: Procedure Contract for printLine Derived contract for procedure printLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv))) - ProcedureContractResult [Line: 1552]: Procedure Contract for staticReturnsFalse Derived contract for procedure staticReturnsFalse. Ensures: ((\result == 0) && (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv)))) - ProcedureContractResult [Line: 1426]: Procedure Contract for printIntLine Derived contract for procedure printIntLine. Ensures: (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv))) - ProcedureContractResult [Line: 1548]: Procedure Contract for staticReturnsTrue Derived contract for procedure staticReturnsTrue. Ensures: ((\result == 1) && (((((((((((((((((stdin == \old(stdin)) && (stdout == \old(stdout))) && (stderr == \old(stderr))) && (__tzname == \old(__tzname))) && (__daylight == \old(__daylight))) && (__timezone == \old(__timezone))) && (tzname == \old(tzname))) && (daylight == \old(daylight))) && (timezone == \old(timezone))) && (GLOBAL_CONST_TRUE == \old(GLOBAL_CONST_TRUE))) && (GLOBAL_CONST_FALSE == \old(GLOBAL_CONST_FALSE))) && (GLOBAL_CONST_FIVE == \old(GLOBAL_CONST_FIVE))) && (globalTrue == \old(globalTrue))) && (globalFalse == \old(globalFalse))) && (globalFive == \old(globalFive))) && (globalArgc == \old(globalArgc))) && (globalArgv == \old(globalArgv)))) RESULT: Ultimate proved your program to be correct! [2024-10-31 22:05:53,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fef82b1c-d22c-4199-b89d-35165ba1fe1e/bin/uautomizer-verify-4GaUIPS5ZU/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