./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC --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 63d480c31f0314c91e26876c4dd218e9e8d00d29117335b96bc72242afef9a48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:00:59,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:00:59,459 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 00:00:59,465 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:00:59,466 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:00:59,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:00:59,488 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:00:59,488 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:00:59,489 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:00:59,489 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:00:59,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:00:59,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:00:59,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:00:59,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:00:59,490 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:00:59,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:00:59,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:00:59,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:00:59,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:00:59,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:00:59,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:00:59,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:00:59,491 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 00:00:59,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:00:59,491 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:00:59,491 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:00:59,491 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:00:59,491 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:00:59,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:00:59,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:00:59,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:00:59,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:00:59,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:00:59,494 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:00:59,494 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:00:59,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:00:59,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:00:59,494 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:00:59,494 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:00:59,494 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:00:59,494 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:00:59,494 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:00:59,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:00:59,494 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:00:59,495 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:00:59,495 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:00:59,495 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:00:59,495 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC 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 -> 63d480c31f0314c91e26876c4dd218e9e8d00d29117335b96bc72242afef9a48 [2024-11-24 00:00:59,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:00:59,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:00:59,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:00:59,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:00:59,802 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:00:59,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_good.i [2024-11-24 00:01:02,676 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/data/f83d82e00/fd5ded197f6c4bc1870b0d724faef608/FLAGd4d7c9cf9 [2024-11-24 00:01:03,058 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:01:03,058 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_08_good.i [2024-11-24 00:01:03,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/data/f83d82e00/fd5ded197f6c4bc1870b0d724faef608/FLAGd4d7c9cf9 [2024-11-24 00:01:03,112 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/data/f83d82e00/fd5ded197f6c4bc1870b0d724faef608 [2024-11-24 00:01:03,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:01:03,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:01:03,119 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:01:03,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:01:03,125 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:01:03,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@754954be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:03, skipping insertion in model container [2024-11-24 00:01:03,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:01:03" (1/1) ... [2024-11-24 00:01:03,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:01:04,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:01:04,051 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:01:04,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:01:04,289 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:01:04,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04 WrapperNode [2024-11-24 00:01:04,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:01:04,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:01:04,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:01:04,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:01:04,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,335 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,365 INFO L138 Inliner]: procedures = 503, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 121 [2024-11-24 00:01:04,366 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:01:04,367 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:01:04,367 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:01:04,369 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:01:04,378 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,385 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,394 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-24 00:01:04,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,401 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,403 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,407 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,408 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,410 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:01:04,411 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:01:04,411 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:01:04,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:01:04,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (1/1) ... [2024-11-24 00:01:04,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:01:04,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:04,445 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:01:04,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:01:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-24 00:01:04,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-24 00:01:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 00:01:04,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 00:01:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:01:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:01:04,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:01:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-24 00:01:04,491 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-24 00:01:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2024-11-24 00:01:04,491 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2024-11-24 00:01:04,643 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:01:04,645 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:01:04,838 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-24 00:01:04,839 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:01:04,851 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:01:04,852 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:01:04,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:01:04 BoogieIcfgContainer [2024-11-24 00:01:04,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:01:04,855 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:01:04,855 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:01:04,861 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:01:04,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:01:03" (1/3) ... [2024-11-24 00:01:04,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc52821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:01:04, skipping insertion in model container [2024-11-24 00:01:04,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:01:04" (2/3) ... [2024-11-24 00:01:04,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dc52821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:01:04, skipping insertion in model container [2024-11-24 00:01:04,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:01:04" (3/3) ... [2024-11-24 00:01:04,864 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_preinc_08_good.i [2024-11-24 00:01:04,880 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:01:04,882 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_max_preinc_08_good.i that has 5 procedures, 81 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2024-11-24 00:01:04,943 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:01:04,957 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;@3e0b19a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:01:04,958 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-24 00:01:04,962 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 50 states have (on average 1.38) internal successors, (69), 62 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-24 00:01:04,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 00:01:04,969 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:04,969 INFO L218 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] [2024-11-24 00:01:04,971 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)] === [2024-11-24 00:01:04,976 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:04,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1192752490, now seen corresponding path program 1 times [2024-11-24 00:01:04,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:04,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108202796] [2024-11-24 00:01:04,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:04,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:01:05,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:05,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108202796] [2024-11-24 00:01:05,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108202796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:05,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:01:05,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:01:05,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059915069] [2024-11-24 00:01:05,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:05,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:01:05,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:05,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:01:05,363 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:01:05,365 INFO L87 Difference]: Start difference. First operand has 81 states, 50 states have (on average 1.38) internal successors, (69), 62 states have internal predecessors, (69), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 17 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) [2024-11-24 00:01:05,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:05,435 INFO L93 Difference]: Finished difference Result 155 states and 199 transitions. [2024-11-24 00:01:05,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:01:05,438 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 [2024-11-24 00:01:05,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:05,445 INFO L225 Difference]: With dead ends: 155 [2024-11-24 00:01:05,445 INFO L226 Difference]: Without dead ends: 78 [2024-11-24 00:01:05,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:01:05,450 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 209 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 [2024-11-24 00:01:05,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 209 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:05,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-24 00:01:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2024-11-24 00:01:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 47 states have (on average 1.3829787234042554) internal successors, (65), 58 states have internal predecessors, (65), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 00:01:05,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 99 transitions. [2024-11-24 00:01:05,495 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 99 transitions. Word has length 22 [2024-11-24 00:01:05,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:05,495 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 99 transitions. [2024-11-24 00:01:05,496 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) [2024-11-24 00:01:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2024-11-24 00:01:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-24 00:01:05,497 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:05,497 INFO L218 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] [2024-11-24 00:01:05,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:01:05,498 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)] === [2024-11-24 00:01:05,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:05,498 INFO L85 PathProgramCache]: Analyzing trace with hash -512694120, now seen corresponding path program 1 times [2024-11-24 00:01:05,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:05,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349829861] [2024-11-24 00:01:05,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:05,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:05,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:01:05,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:05,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349829861] [2024-11-24 00:01:05,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349829861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:05,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:01:05,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:01:05,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222238861] [2024-11-24 00:01:05,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:05,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:01:05,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:05,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:01:05,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:01:05,660 INFO L87 Difference]: Start difference. First operand 76 states and 99 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) [2024-11-24 00:01:05,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:05,696 INFO L93 Difference]: Finished difference Result 131 states and 168 transitions. [2024-11-24 00:01:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:01:05,696 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 [2024-11-24 00:01:05,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:05,698 INFO L225 Difference]: With dead ends: 131 [2024-11-24 00:01:05,698 INFO L226 Difference]: Without dead ends: 66 [2024-11-24 00:01:05,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:01:05,699 INFO L435 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 [2024-11-24 00:01:05,699 INFO L436 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] [2024-11-24 00:01:05,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-24 00:01:05,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-24 00:01:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 49 states have internal predecessors, (54), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-24 00:01:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 84 transitions. [2024-11-24 00:01:05,715 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 84 transitions. Word has length 22 [2024-11-24 00:01:05,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:05,715 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 84 transitions. [2024-11-24 00:01:05,716 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) [2024-11-24 00:01:05,716 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2024-11-24 00:01:05,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 00:01:05,719 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:05,719 INFO L218 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] [2024-11-24 00:01:05,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:01:05,720 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)] === [2024-11-24 00:01:05,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:05,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1523660820, now seen corresponding path program 1 times [2024-11-24 00:01:05,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:05,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21028026] [2024-11-24 00:01:05,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-24 00:01:05,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:05,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21028026] [2024-11-24 00:01:05,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21028026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:05,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:01:05,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:01:05,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018487919] [2024-11-24 00:01:05,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:05,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:01:05,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:05,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:01:05,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:01:05,854 INFO L87 Difference]: Start difference. First operand 66 states and 84 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-24 00:01:05,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:05,874 INFO L93 Difference]: Finished difference Result 119 states and 149 transitions. [2024-11-24 00:01:05,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:01:05,875 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 40 [2024-11-24 00:01:05,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:05,876 INFO L225 Difference]: With dead ends: 119 [2024-11-24 00:01:05,876 INFO L226 Difference]: Without dead ends: 65 [2024-11-24 00:01:05,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:01:05,877 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 232 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 [2024-11-24 00:01:05,877 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 232 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:05,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-24 00:01:05,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2024-11-24 00:01:05,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 48 states have internal predecessors, (53), 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) [2024-11-24 00:01:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2024-11-24 00:01:05,887 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 81 transitions. Word has length 40 [2024-11-24 00:01:05,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:05,887 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 81 transitions. [2024-11-24 00:01:05,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2024-11-24 00:01:05,887 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2024-11-24 00:01:05,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-24 00:01:05,888 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:05,888 INFO L218 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] [2024-11-24 00:01:05,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:01:05,892 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)] === [2024-11-24 00:01:05,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:05,892 INFO L85 PathProgramCache]: Analyzing trace with hash 792919792, now seen corresponding path program 1 times [2024-11-24 00:01:05,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:05,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238836441] [2024-11-24 00:01:05,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:05,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:06,040 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-24 00:01:06,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:06,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238836441] [2024-11-24 00:01:06,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238836441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:06,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:01:06,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:01:06,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034674341] [2024-11-24 00:01:06,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:06,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:01:06,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:06,042 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:01:06,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:01:06,042 INFO L87 Difference]: Start difference. First operand 65 states and 81 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-24 00:01:06,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:06,092 INFO L93 Difference]: Finished difference Result 114 states and 139 transitions. [2024-11-24 00:01:06,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:01:06,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 41 [2024-11-24 00:01:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:06,093 INFO L225 Difference]: With dead ends: 114 [2024-11-24 00:01:06,094 INFO L226 Difference]: Without dead ends: 70 [2024-11-24 00:01:06,094 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:01:06,095 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 158 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 [2024-11-24 00:01:06,095 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 158 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:06,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-24 00:01:06,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2024-11-24 00:01:06,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 51 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) [2024-11-24 00:01:06,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2024-11-24 00:01:06,111 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 41 [2024-11-24 00:01:06,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:06,112 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-11-24 00:01:06,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-24 00:01:06,112 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2024-11-24 00:01:06,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-24 00:01:06,113 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:06,113 INFO L218 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] [2024-11-24 00:01:06,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:01:06,117 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)] === [2024-11-24 00:01:06,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:06,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1472978162, now seen corresponding path program 1 times [2024-11-24 00:01:06,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:06,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568379115] [2024-11-24 00:01:06,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:06,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:06,262 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-24 00:01:06,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:06,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568379115] [2024-11-24 00:01:06,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568379115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:01:06,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1790518266] [2024-11-24 00:01:06,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:06,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:06,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:06,268 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:01:06,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:01:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:06,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:01:06,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:06,441 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-24 00:01:06,441 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:01:06,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1790518266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:06,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:01:06,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:01:06,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066991515] [2024-11-24 00:01:06,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:06,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:01:06,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:06,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:01:06,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:06,443 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-24 00:01:06,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:06,462 INFO L93 Difference]: Finished difference Result 70 states and 88 transitions. [2024-11-24 00:01:06,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:01:06,463 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 41 [2024-11-24 00:01:06,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:06,464 INFO L225 Difference]: With dead ends: 70 [2024-11-24 00:01:06,464 INFO L226 Difference]: Without dead ends: 69 [2024-11-24 00:01:06,465 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:06,465 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 2 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 140 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 [2024-11-24 00:01:06,466 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 140 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:06,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2024-11-24 00:01:06,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2024-11-24 00:01:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 50 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) [2024-11-24 00:01:06,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2024-11-24 00:01:06,473 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 41 [2024-11-24 00:01:06,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:06,473 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2024-11-24 00:01:06,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-24 00:01:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2024-11-24 00:01:06,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-24 00:01:06,474 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:06,474 INFO L218 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] [2024-11-24 00:01:06,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:01:06,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:06,675 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)] === [2024-11-24 00:01:06,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1582317138, now seen corresponding path program 1 times [2024-11-24 00:01:06,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:06,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459485914] [2024-11-24 00:01:06,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:06,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-24 00:01:06,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:06,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459485914] [2024-11-24 00:01:06,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459485914] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:01:06,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758141203] [2024-11-24 00:01:06,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:06,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:06,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:06,793 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:01:06,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:01:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:06,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:01:06,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:06,943 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-24 00:01:06,944 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:01:06,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758141203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:06,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:01:06,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:01:06,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349888019] [2024-11-24 00:01:06,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:06,945 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:01:06,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:06,946 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:01:06,946 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:06,946 INFO L87 Difference]: Start difference. First operand 68 states and 86 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) [2024-11-24 00:01:06,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:06,975 INFO L93 Difference]: Finished difference Result 108 states and 132 transitions. [2024-11-24 00:01:06,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:01:06,977 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 [2024-11-24 00:01:06,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:06,978 INFO L225 Difference]: With dead ends: 108 [2024-11-24 00:01:06,978 INFO L226 Difference]: Without dead ends: 68 [2024-11-24 00:01:06,979 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:06,979 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 1 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:01:06,983 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 152 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:06,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-24 00:01:06,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2024-11-24 00:01:06,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 49 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) [2024-11-24 00:01:06,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2024-11-24 00:01:06,995 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 42 [2024-11-24 00:01:06,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:06,995 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2024-11-24 00:01:06,995 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) [2024-11-24 00:01:06,995 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2024-11-24 00:01:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-24 00:01:06,996 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:06,997 INFO L218 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] [2024-11-24 00:01:07,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:01:07,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-24 00:01:07,201 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)] === [2024-11-24 00:01:07,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:07,202 INFO L85 PathProgramCache]: Analyzing trace with hash 2019893220, now seen corresponding path program 1 times [2024-11-24 00:01:07,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:07,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644866547] [2024-11-24 00:01:07,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:07,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:07,323 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-24 00:01:07,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:07,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644866547] [2024-11-24 00:01:07,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644866547] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:01:07,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799647442] [2024-11-24 00:01:07,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:07,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:07,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:07,326 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:01:07,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 00:01:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:07,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:01:07,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:07,458 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 00:01:07,458 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:01:07,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799647442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:07,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:01:07,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:01:07,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114108936] [2024-11-24 00:01:07,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:07,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:01:07,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:07,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:01:07,459 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:07,459 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-24 00:01:07,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:07,483 INFO L93 Difference]: Finished difference Result 74 states and 94 transitions. [2024-11-24 00:01:07,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:01:07,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 53 [2024-11-24 00:01:07,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:07,486 INFO L225 Difference]: With dead ends: 74 [2024-11-24 00:01:07,486 INFO L226 Difference]: Without dead ends: 73 [2024-11-24 00:01:07,486 INFO L434 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 [2024-11-24 00:01:07,487 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 148 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 [2024-11-24 00:01:07,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 148 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:07,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-24 00:01:07,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2024-11-24 00:01:07,499 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), 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) [2024-11-24 00:01:07,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 90 transitions. [2024-11-24 00:01:07,500 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 90 transitions. Word has length 53 [2024-11-24 00:01:07,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:07,501 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 90 transitions. [2024-11-24 00:01:07,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-24 00:01:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 90 transitions. [2024-11-24 00:01:07,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-24 00:01:07,506 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:07,506 INFO L218 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] [2024-11-24 00:01:07,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 00:01:07,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:07,712 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)] === [2024-11-24 00:01:07,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:07,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1807819496, now seen corresponding path program 1 times [2024-11-24 00:01:07,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:07,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511255931] [2024-11-24 00:01:07,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:07,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-24 00:01:07,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:07,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511255931] [2024-11-24 00:01:07,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511255931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:01:07,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524224583] [2024-11-24 00:01:07,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:07,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:07,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:07,786 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:01:07,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 00:01:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:07,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:01:07,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:07,908 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 00:01:07,908 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:01:07,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524224583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:07,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:01:07,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:01:07,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963396227] [2024-11-24 00:01:07,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:07,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:01:07,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:07,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:01:07,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:07,910 INFO L87 Difference]: Start difference. First operand 71 states and 90 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) [2024-11-24 00:01:07,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:07,933 INFO L93 Difference]: Finished difference Result 72 states and 91 transitions. [2024-11-24 00:01:07,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:01:07,937 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 [2024-11-24 00:01:07,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:07,938 INFO L225 Difference]: With dead ends: 72 [2024-11-24 00:01:07,938 INFO L226 Difference]: Without dead ends: 71 [2024-11-24 00:01:07,938 INFO L434 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 [2024-11-24 00:01:07,939 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 3 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 139 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 [2024-11-24 00:01:07,939 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 139 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:07,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-24 00:01:07,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 70. [2024-11-24 00:01:07,953 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), 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) [2024-11-24 00:01:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 89 transitions. [2024-11-24 00:01:07,954 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 89 transitions. Word has length 54 [2024-11-24 00:01:07,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:07,954 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 89 transitions. [2024-11-24 00:01:07,954 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) [2024-11-24 00:01:07,959 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 89 transitions. [2024-11-24 00:01:07,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-24 00:01:07,960 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:07,960 INFO L218 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] [2024-11-24 00:01:07,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 00:01:08,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:08,161 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:01:08,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:08,161 INFO L85 PathProgramCache]: Analyzing trace with hash -193621162, now seen corresponding path program 1 times [2024-11-24 00:01:08,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:08,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42086941] [2024-11-24 00:01:08,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:08,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:08,283 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 00:01:08,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:08,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42086941] [2024-11-24 00:01:08,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42086941] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:01:08,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657412948] [2024-11-24 00:01:08,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:08,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:08,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:08,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:01:08,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 00:01:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:08,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:01:08,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:08,427 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 00:01:08,427 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:01:08,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657412948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:08,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:01:08,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:01:08,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889048162] [2024-11-24 00:01:08,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:08,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:01:08,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:08,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:01:08,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:08,428 INFO L87 Difference]: Start difference. First operand 70 states and 89 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-24 00:01:08,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:08,442 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2024-11-24 00:01:08,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:01:08,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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 58 [2024-11-24 00:01:08,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:08,444 INFO L225 Difference]: With dead ends: 71 [2024-11-24 00:01:08,444 INFO L226 Difference]: Without dead ends: 70 [2024-11-24 00:01:08,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:08,444 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 2 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 139 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 [2024-11-24 00:01:08,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 139 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:08,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-24 00:01:08,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 65. [2024-11-24 00:01:08,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 47 states have internal predecessors, (52), 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) [2024-11-24 00:01:08,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2024-11-24 00:01:08,458 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 58 [2024-11-24 00:01:08,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:08,458 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2024-11-24 00:01:08,459 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-24 00:01:08,459 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2024-11-24 00:01:08,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-24 00:01:08,460 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:08,460 INFO L218 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] [2024-11-24 00:01:08,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 00:01:08,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:08,660 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)] === [2024-11-24 00:01:08,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:08,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1767587623, now seen corresponding path program 1 times [2024-11-24 00:01:08,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:08,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750589467] [2024-11-24 00:01:08,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:08,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:08,767 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-24 00:01:08,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:08,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750589467] [2024-11-24 00:01:08,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750589467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:01:08,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626929188] [2024-11-24 00:01:08,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:08,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:08,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:08,769 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:01:08,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 00:01:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:08,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:01:08,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:08,897 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 00:01:08,897 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:01:08,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626929188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:08,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:01:08,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:01:08,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177840030] [2024-11-24 00:01:08,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:08,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:01:08,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:08,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:01:08,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:08,899 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-24 00:01:08,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:08,917 INFO L93 Difference]: Finished difference Result 71 states and 89 transitions. [2024-11-24 00:01:08,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:01:08,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 66 [2024-11-24 00:01:08,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:08,918 INFO L225 Difference]: With dead ends: 71 [2024-11-24 00:01:08,919 INFO L226 Difference]: Without dead ends: 70 [2024-11-24 00:01:08,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:08,919 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:01:08,919 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 147 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:08,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-24 00:01:08,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2024-11-24 00:01:08,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 47 states have (on average 1.1702127659574468) internal successors, (55), 50 states have internal predecessors, (55), 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) [2024-11-24 00:01:08,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2024-11-24 00:01:08,930 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 66 [2024-11-24 00:01:08,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:08,930 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2024-11-24 00:01:08,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-24 00:01:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2024-11-24 00:01:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-24 00:01:08,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:08,932 INFO L218 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] [2024-11-24 00:01:08,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 00:01:09,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-24 00:01:09,132 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-24 00:01:09,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:09,133 INFO L85 PathProgramCache]: Analyzing trace with hash 958240997, now seen corresponding path program 1 times [2024-11-24 00:01:09,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:09,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806837484] [2024-11-24 00:01:09,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:09,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:09,243 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-24 00:01:09,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:09,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806837484] [2024-11-24 00:01:09,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806837484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:01:09,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951405392] [2024-11-24 00:01:09,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:09,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:09,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:09,248 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:01:09,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 00:01:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:09,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:01:09,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:09,393 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 00:01:09,394 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:01:09,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951405392] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:09,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:01:09,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:01:09,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159804197] [2024-11-24 00:01:09,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:09,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:01:09,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:09,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:01:09,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:09,395 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-24 00:01:09,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:09,409 INFO L93 Difference]: Finished difference Result 69 states and 87 transitions. [2024-11-24 00:01:09,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:01:09,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 66 [2024-11-24 00:01:09,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:09,411 INFO L225 Difference]: With dead ends: 69 [2024-11-24 00:01:09,411 INFO L226 Difference]: Without dead ends: 68 [2024-11-24 00:01:09,411 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:09,412 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 1 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 140 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 [2024-11-24 00:01:09,412 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 140 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:09,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-24 00:01:09,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2024-11-24 00:01:09,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 46 states have internal predecessors, (51), 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) [2024-11-24 00:01:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions. [2024-11-24 00:01:09,418 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 66 [2024-11-24 00:01:09,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:09,418 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 81 transitions. [2024-11-24 00:01:09,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-24 00:01:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2024-11-24 00:01:09,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-24 00:01:09,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:01:09,420 INFO L218 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] [2024-11-24 00:01:09,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-24 00:01:09,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-24 00:01:09,621 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)] === [2024-11-24 00:01:09,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:01:09,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1039358388, now seen corresponding path program 1 times [2024-11-24 00:01:09,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:01:09,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818763809] [2024-11-24 00:01:09,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:09,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:01:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:09,679 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-24 00:01:09,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:01:09,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818763809] [2024-11-24 00:01:09,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818763809] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:01:09,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [385924188] [2024-11-24 00:01:09,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:01:09,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:01:09,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:01:09,682 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:01:09,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 00:01:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:01:09,774 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:01:09,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:01:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-11-24 00:01:09,795 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:01:09,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [385924188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:01:09,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:01:09,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-24 00:01:09,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318587194] [2024-11-24 00:01:09,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:01:09,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:01:09,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:01:09,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:01:09,797 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:09,797 INFO L87 Difference]: Start difference. First operand 64 states and 81 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) [2024-11-24 00:01:09,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:01:09,805 INFO L93 Difference]: Finished difference Result 64 states and 81 transitions. [2024-11-24 00:01:09,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:01:09,805 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 [2024-11-24 00:01:09,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:01:09,806 INFO L225 Difference]: With dead ends: 64 [2024-11-24 00:01:09,806 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:01:09,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:01:09,807 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:01:09,807 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 140 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:01:09,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:01:09,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:01:09,808 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) [2024-11-24 00:01:09,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:01:09,808 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 67 [2024-11-24 00:01:09,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:01:09,808 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:01:09,808 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) [2024-11-24 00:01:09,808 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:01:09,809 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:01:09,811 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-24 00:01:09,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-24 00:01:09,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-24 00:01:09,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-24 00:01:09,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-24 00:01:09,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-24 00:01:09,812 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-24 00:01:09,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-24 00:01:09,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-24 00:01:10,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-24 00:01:10,016 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:01:10,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:01:10,106 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:01:10,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:01:10 BoogieIcfgContainer [2024-11-24 00:01:10,116 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:01:10,117 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:01:10,117 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:01:10,117 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:01:10,117 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:01:04" (3/4) ... [2024-11-24 00:01:10,120 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:01:10,125 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2024-11-24 00:01:10,125 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2024-11-24 00:01:10,125 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2024-11-24 00:01:10,125 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2024-11-24 00:01:10,132 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-24 00:01:10,133 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 00:01:10,133 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 00:01:10,133 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:01:10,242 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:01:10,242 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:01:10,242 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:01:10,244 INFO L158 Benchmark]: Toolchain (without parser) took 7127.79ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 108.6MB in the end (delta: 5.3MB). Peak memory consumption was 85.3MB. Max. memory is 16.1GB. [2024-11-24 00:01:10,244 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:01:10,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1171.94ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 52.4MB in the end (delta: 61.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-24 00:01:10,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.18ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 49.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:01:10,245 INFO L158 Benchmark]: Boogie Preprocessor took 43.17ms. Allocated memory is still 142.6MB. Free memory was 49.6MB in the beginning and 48.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:01:10,245 INFO L158 Benchmark]: RCFGBuilder took 441.46ms. Allocated memory is still 142.6MB. Free memory was 48.0MB in the beginning and 102.6MB in the end (delta: -54.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-24 00:01:10,246 INFO L158 Benchmark]: TraceAbstraction took 5261.15ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 37.6MB in the end (delta: 64.3MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-11-24 00:01:10,246 INFO L158 Benchmark]: Witness Printer took 125.70ms. Allocated memory is still 142.6MB. Free memory was 37.6MB in the beginning and 108.6MB in the end (delta: -71.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:01:10,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1171.94ms. Allocated memory is still 142.6MB. Free memory was 113.9MB in the beginning and 52.4MB in the end (delta: 61.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.18ms. Allocated memory is still 142.6MB. Free memory was 52.4MB in the beginning and 49.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.17ms. Allocated memory is still 142.6MB. Free memory was 49.6MB in the beginning and 48.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 441.46ms. Allocated memory is still 142.6MB. Free memory was 48.0MB in the beginning and 102.6MB in the end (delta: -54.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5261.15ms. Allocated memory is still 142.6MB. Free memory was 101.9MB in the beginning and 37.6MB in the end (delta: 64.3MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 125.70ms. Allocated memory is still 142.6MB. Free memory was 37.6MB in the beginning and 108.6MB in the end (delta: -71.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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, 81 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, 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, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 1985 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1020 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 82 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 965 mSDtfsCounter, 82 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 485 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred 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, 18 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1019 NumberOfCodeBlocks, 1019 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 999 ConstructedInterpolants, 0 QuantifiedInterpolants, 1195 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1365 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 00:01:10,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c1e466d-e888-4121-a424-70f768660702/bin/uautomizer-verify-LYvppIcaGC/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