./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash efbd812580893a7521723358e51d4f43c4b930b57b026212f5a7d5f447f3e0f8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:46:52,308 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:46:52,405 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 13:46:52,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:46:52,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:46:52,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:46:52,439 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:46:52,440 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:46:52,442 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:46:52,442 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:46:52,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:46:52,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:46:52,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:46:52,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:46:52,443 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:46:52,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:46:52,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:46:52,443 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:46:52,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:46:52,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:46:52,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:46:52,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:46:52,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:46:52,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:46:52,444 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:46:52,444 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:46:52,444 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:46:52,444 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:46:52,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:46:52,445 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:46:52,445 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:46:52,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:46:52,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:46:52,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:46:52,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:46:52,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:46:52,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:46:52,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:46:52,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:46:52,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:46:52,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:46:52,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:46:52,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:46:52,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:46:52,450 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_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> efbd812580893a7521723358e51d4f43c4b930b57b026212f5a7d5f447f3e0f8 [2024-11-13 13:46:52,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:46:52,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:46:52,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:46:52,812 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:46:52,812 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:46:52,815 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/array-multidimensional/add-3-n-u.c Unable to find full path for "g++" [2024-11-13 13:46:54,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:46:55,237 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:46:55,238 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/sv-benchmarks/c/array-multidimensional/add-3-n-u.c [2024-11-13 13:46:55,245 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/data/406c48b74/42c915de7fba407f9f233cd7722a7a4e/FLAG6587c6dd2 [2024-11-13 13:46:55,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/data/406c48b74/42c915de7fba407f9f233cd7722a7a4e [2024-11-13 13:46:55,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:46:55,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:46:55,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:46:55,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:46:55,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:46:55,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1447a15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55, skipping insertion in model container [2024-11-13 13:46:55,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:46:55,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:46:55,521 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:46:55,549 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:46:55,566 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:46:55,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55 WrapperNode [2024-11-13 13:46:55,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:46:55,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:46:55,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:46:55,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:46:55,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,605 INFO L138 Inliner]: procedures = 14, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 129 [2024-11-13 13:46:55,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:46:55,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:46:55,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:46:55,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:46:55,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,617 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,619 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,638 INFO L175 MemorySlicer]: Split 10 memory accesses to 4 slices as follows [2, 2, 3, 3]. 30 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0]. The 3 writes are split as follows [0, 1, 1, 1]. [2024-11-13 13:46:55,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:46:55,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:46:55,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:46:55,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:46:55,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (1/1) ... [2024-11-13 13:46:55,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:46:55,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:46:55,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:46:55,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:46:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:46:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:46:55,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 13:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 13:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 13:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 13:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 13:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 13:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 13:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 13:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:46:55,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 13:46:55,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 13:46:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 13:46:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 13:46:55,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 13:46:55,846 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:46:55,848 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:46:56,161 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-13 13:46:56,161 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:46:56,173 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:46:56,173 INFO L316 CfgBuilder]: Removed 9 assume(true) statements. [2024-11-13 13:46:56,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:56 BoogieIcfgContainer [2024-11-13 13:46:56,173 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:46:56,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:46:56,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:46:56,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:46:56,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:46:55" (1/3) ... [2024-11-13 13:46:56,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79282ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:46:56, skipping insertion in model container [2024-11-13 13:46:56,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:46:55" (2/3) ... [2024-11-13 13:46:56,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79282ffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:46:56, skipping insertion in model container [2024-11-13 13:46:56,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:56" (3/3) ... [2024-11-13 13:46:56,188 INFO L112 eAbstractionObserver]: Analyzing ICFG add-3-n-u.c [2024-11-13 13:46:56,207 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:46:56,211 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG add-3-n-u.c that has 1 procedures, 57 locations, 1 initial locations, 9 loop locations, and 18 error locations. [2024-11-13 13:46:56,271 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:46:56,293 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;@45b4ed60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:46:56,293 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-13 13:46:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 38 states have (on average 1.9736842105263157) internal successors, (75), 56 states have internal predecessors, (75), 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) [2024-11-13 13:46:56,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 13:46:56,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:56,308 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-13 13:46:56,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:46:56,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:56,315 INFO L85 PathProgramCache]: Analyzing trace with hash 28698880, now seen corresponding path program 1 times [2024-11-13 13:46:56,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:56,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398137893] [2024-11-13 13:46:56,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:56,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:56,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:56,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398137893] [2024-11-13 13:46:56,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398137893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:56,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:46:56,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:46:56,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327767193] [2024-11-13 13:46:56,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:56,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:46:56,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:56,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:46:56,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:46:56,684 INFO L87 Difference]: Start difference. First operand has 57 states, 38 states have (on average 1.9736842105263157) internal successors, (75), 56 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:56,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:56,865 INFO L93 Difference]: Finished difference Result 138 states and 193 transitions. [2024-11-13 13:46:56,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:46:56,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-13 13:46:56,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:56,877 INFO L225 Difference]: With dead ends: 138 [2024-11-13 13:46:56,878 INFO L226 Difference]: Without dead ends: 77 [2024-11-13 13:46:56,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:46:56,888 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 87 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:56,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 89 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:46:56,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-13 13:46:56,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2024-11-13 13:46:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 53 states have (on average 1.6603773584905661) internal successors, (88), 70 states have internal predecessors, (88), 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) [2024-11-13 13:46:56,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 88 transitions. [2024-11-13 13:46:56,944 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 88 transitions. Word has length 5 [2024-11-13 13:46:56,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:56,945 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 88 transitions. [2024-11-13 13:46:56,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2024-11-13 13:46:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 13:46:56,946 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:56,946 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-13 13:46:56,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:46:56,947 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:46:56,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:56,948 INFO L85 PathProgramCache]: Analyzing trace with hash 889666764, now seen corresponding path program 1 times [2024-11-13 13:46:56,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:56,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030430457] [2024-11-13 13:46:56,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:56,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:57,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:57,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:57,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030430457] [2024-11-13 13:46:57,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030430457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:57,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:46:57,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:46:57,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239804405] [2024-11-13 13:46:57,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:57,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:46:57,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:57,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:46:57,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:46:57,116 INFO L87 Difference]: Start difference. First operand 71 states and 88 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:57,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:57,246 INFO L93 Difference]: Finished difference Result 99 states and 128 transitions. [2024-11-13 13:46:57,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:46:57,246 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-13 13:46:57,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:57,248 INFO L225 Difference]: With dead ends: 99 [2024-11-13 13:46:57,248 INFO L226 Difference]: Without dead ends: 93 [2024-11-13 13:46:57,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:46:57,249 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 7 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:57,250 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 85 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:46:57,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-13 13:46:57,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-13 13:46:57,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 75 states have (on average 1.5466666666666666) internal successors, (116), 92 states have internal predecessors, (116), 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) [2024-11-13 13:46:57,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 116 transitions. [2024-11-13 13:46:57,276 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 116 transitions. Word has length 6 [2024-11-13 13:46:57,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:57,276 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 116 transitions. [2024-11-13 13:46:57,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:46:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 116 transitions. [2024-11-13 13:46:57,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:46:57,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:57,277 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:57,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:46:57,278 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:46:57,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:57,281 INFO L85 PathProgramCache]: Analyzing trace with hash -182189912, now seen corresponding path program 1 times [2024-11-13 13:46:57,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:57,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102902418] [2024-11-13 13:46:57,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:57,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:57,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:57,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:57,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102902418] [2024-11-13 13:46:57,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102902418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:57,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:46:57,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:46:57,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441300242] [2024-11-13 13:46:57,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:57,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:46:57,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:57,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:46:57,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:46:57,417 INFO L87 Difference]: Start difference. First operand 93 states and 116 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-13 13:46:57,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:57,511 INFO L93 Difference]: Finished difference Result 184 states and 230 transitions. [2024-11-13 13:46:57,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:46:57,512 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 13:46:57,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:57,513 INFO L225 Difference]: With dead ends: 184 [2024-11-13 13:46:57,513 INFO L226 Difference]: Without dead ends: 93 [2024-11-13 13:46:57,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:46:57,515 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 74 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:57,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 84 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:46:57,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-13 13:46:57,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-13 13:46:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 92 states have internal predecessors, (110), 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) [2024-11-13 13:46:57,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 110 transitions. [2024-11-13 13:46:57,540 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 110 transitions. Word has length 9 [2024-11-13 13:46:57,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:57,542 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 110 transitions. [2024-11-13 13:46:57,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-13 13:46:57,542 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2024-11-13 13:46:57,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 13:46:57,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:57,543 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:57,544 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:46:57,544 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:46:57,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:57,545 INFO L85 PathProgramCache]: Analyzing trace with hash -180557838, now seen corresponding path program 1 times [2024-11-13 13:46:57,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:57,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65238427] [2024-11-13 13:46:57,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:57,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:57,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:57,666 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:57,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:57,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65238427] [2024-11-13 13:46:57,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65238427] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:46:57,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85388625] [2024-11-13 13:46:57,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:57,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:57,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:46:57,671 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:46:57,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:46:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:57,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:46:57,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:46:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:57,813 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:46:57,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85388625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:57,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:46:57,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-13 13:46:57,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487693819] [2024-11-13 13:46:57,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:57,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:46:57,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:57,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:46:57,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:46:57,816 INFO L87 Difference]: Start difference. First operand 93 states and 110 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-13 13:46:57,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:57,910 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2024-11-13 13:46:57,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:46:57,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-13 13:46:57,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:57,912 INFO L225 Difference]: With dead ends: 93 [2024-11-13 13:46:57,912 INFO L226 Difference]: Without dead ends: 90 [2024-11-13 13:46:57,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:46:57,913 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 13 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:57,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 81 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:46:57,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-13 13:46:57,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-11-13 13:46:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 89 states have internal predecessors, (104), 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) [2024-11-13 13:46:57,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 104 transitions. [2024-11-13 13:46:57,926 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 104 transitions. Word has length 9 [2024-11-13 13:46:57,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:57,926 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 104 transitions. [2024-11-13 13:46:57,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-11-13 13:46:57,926 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 104 transitions. [2024-11-13 13:46:57,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 13:46:57,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:57,927 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:57,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:46:58,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:58,128 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:46:58,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:58,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1302325622, now seen corresponding path program 1 times [2024-11-13 13:46:58,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:58,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857476722] [2024-11-13 13:46:58,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:58,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:58,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:58,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:58,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857476722] [2024-11-13 13:46:58,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857476722] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:46:58,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1077957976] [2024-11-13 13:46:58,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:58,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:58,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:46:58,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:46:58,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:46:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:58,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:46:58,341 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:46:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:58,374 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:46:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:46:58,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1077957976] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:46:58,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:46:58,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-13 13:46:58,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883726556] [2024-11-13 13:46:58,419 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:46:58,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:46:58,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:58,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:46:58,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:46:58,424 INFO L87 Difference]: Start difference. First operand 90 states and 104 transitions. Second operand has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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) [2024-11-13 13:46:58,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:58,643 INFO L93 Difference]: Finished difference Result 159 states and 206 transitions. [2024-11-13 13:46:58,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:46:58,644 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-13 13:46:58,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:58,646 INFO L225 Difference]: With dead ends: 159 [2024-11-13 13:46:58,647 INFO L226 Difference]: Without dead ends: 156 [2024-11-13 13:46:58,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:46:58,648 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 30 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:58,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 162 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:46:58,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-13 13:46:58,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-13 13:46:58,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 141 states have (on average 1.3333333333333333) internal successors, (188), 155 states have internal predecessors, (188), 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) [2024-11-13 13:46:58,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 188 transitions. [2024-11-13 13:46:58,669 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 188 transitions. Word has length 10 [2024-11-13 13:46:58,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:58,670 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 188 transitions. [2024-11-13 13:46:58,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.5) internal successors, (21), 7 states have internal predecessors, (21), 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) [2024-11-13 13:46:58,670 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 188 transitions. [2024-11-13 13:46:58,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 13:46:58,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:58,671 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:58,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:46:58,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:58,872 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:46:58,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:58,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1701069886, now seen corresponding path program 1 times [2024-11-13 13:46:58,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:58,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109463997] [2024-11-13 13:46:58,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:58,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:58,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:46:58,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:58,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109463997] [2024-11-13 13:46:58,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109463997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:46:58,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:46:58,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:46:58,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751600021] [2024-11-13 13:46:58,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:46:58,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:46:58,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:58,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:46:58,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:46:58,979 INFO L87 Difference]: Start difference. First operand 156 states and 188 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-13 13:46:59,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:46:59,078 INFO L93 Difference]: Finished difference Result 308 states and 372 transitions. [2024-11-13 13:46:59,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:46:59,078 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-13 13:46:59,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:46:59,080 INFO L225 Difference]: With dead ends: 308 [2024-11-13 13:46:59,081 INFO L226 Difference]: Without dead ends: 302 [2024-11-13 13:46:59,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:46:59,084 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 32 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:46:59,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 75 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:46:59,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2024-11-13 13:46:59,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 293. [2024-11-13 13:46:59,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 278 states have (on average 1.316546762589928) internal successors, (366), 292 states have internal predecessors, (366), 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) [2024-11-13 13:46:59,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 366 transitions. [2024-11-13 13:46:59,148 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 366 transitions. Word has length 12 [2024-11-13 13:46:59,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:46:59,148 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 366 transitions. [2024-11-13 13:46:59,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2024-11-13 13:46:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 366 transitions. [2024-11-13 13:46:59,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 13:46:59,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:46:59,150 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-13 13:46:59,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:46:59,151 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:46:59,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:46:59,151 INFO L85 PathProgramCache]: Analyzing trace with hash 764905853, now seen corresponding path program 1 times [2024-11-13 13:46:59,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:46:59,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399109036] [2024-11-13 13:46:59,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:46:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:59,279 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:46:59,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:46:59,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399109036] [2024-11-13 13:46:59,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399109036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:46:59,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [127685787] [2024-11-13 13:46:59,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:46:59,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:46:59,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:46:59,286 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:46:59,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:46:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:46:59,388 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:46:59,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:46:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:46:59,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:46:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:46:59,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [127685787] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:46:59,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:46:59,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-13 13:46:59,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504149309] [2024-11-13 13:46:59,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:46:59,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:46:59,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:46:59,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:46:59,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:46:59,526 INFO L87 Difference]: Start difference. First operand 293 states and 366 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:00,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:00,126 INFO L93 Difference]: Finished difference Result 567 states and 707 transitions. [2024-11-13 13:47:00,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:47:00,127 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-13 13:47:00,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:00,130 INFO L225 Difference]: With dead ends: 567 [2024-11-13 13:47:00,131 INFO L226 Difference]: Without dead ends: 293 [2024-11-13 13:47:00,133 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:47:00,136 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 295 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:00,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 138 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:47:00,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-13 13:47:00,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 290. [2024-11-13 13:47:00,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 278 states have (on average 1.1654676258992807) internal successors, (324), 289 states have internal predecessors, (324), 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) [2024-11-13 13:47:00,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 324 transitions. [2024-11-13 13:47:00,167 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 324 transitions. Word has length 16 [2024-11-13 13:47:00,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:00,167 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 324 transitions. [2024-11-13 13:47:00,167 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:00,167 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 324 transitions. [2024-11-13 13:47:00,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 13:47:00,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:00,168 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1] [2024-11-13 13:47:00,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:00,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:00,369 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:47:00,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:00,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1178677136, now seen corresponding path program 2 times [2024-11-13 13:47:00,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:00,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216331416] [2024-11-13 13:47:00,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:00,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:00,474 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 13:47:00,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:00,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216331416] [2024-11-13 13:47:00,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216331416] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:00,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123592373] [2024-11-13 13:47:00,475 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:47:00,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:00,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:00,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:00,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:47:00,581 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:47:00,581 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:47:00,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:47:00,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:00,641 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 13:47:00,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:00,705 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-13 13:47:00,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123592373] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:00,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:47:00,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-13 13:47:00,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128323189] [2024-11-13 13:47:00,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:00,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:47:00,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:00,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:47:00,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:47:00,708 INFO L87 Difference]: Start difference. First operand 290 states and 324 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2024-11-13 13:47:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:00,797 INFO L93 Difference]: Finished difference Result 290 states and 324 transitions. [2024-11-13 13:47:00,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:47:00,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-11-13 13:47:00,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:00,799 INFO L225 Difference]: With dead ends: 290 [2024-11-13 13:47:00,799 INFO L226 Difference]: Without dead ends: 287 [2024-11-13 13:47:00,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:47:00,800 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 104 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:00,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 72 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:47:00,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-13 13:47:00,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 255. [2024-11-13 13:47:00,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 246 states have (on average 1.1382113821138211) internal successors, (280), 254 states have internal predecessors, (280), 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) [2024-11-13 13:47:00,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 280 transitions. [2024-11-13 13:47:00,841 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 280 transitions. Word has length 19 [2024-11-13 13:47:00,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:00,842 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 280 transitions. [2024-11-13 13:47:00,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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) [2024-11-13 13:47:00,842 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 280 transitions. [2024-11-13 13:47:00,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 13:47:00,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:00,843 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-13 13:47:00,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:47:01,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:01,044 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:47:01,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:01,044 INFO L85 PathProgramCache]: Analyzing trace with hash 951963382, now seen corresponding path program 1 times [2024-11-13 13:47:01,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:01,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784895785] [2024-11-13 13:47:01,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:01,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 13:47:01,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:01,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784895785] [2024-11-13 13:47:01,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784895785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:01,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255598628] [2024-11-13 13:47:01,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:01,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:01,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:01,153 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:01,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:47:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:01,276 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:47:01,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 13:47:01,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:01,581 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-13 13:47:01,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255598628] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:01,581 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:47:01,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-13 13:47:01,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857242222] [2024-11-13 13:47:01,582 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:01,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:47:01,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:01,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:47:01,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:47:01,583 INFO L87 Difference]: Start difference. First operand 255 states and 280 transitions. Second operand has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 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) [2024-11-13 13:47:02,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:02,791 INFO L93 Difference]: Finished difference Result 1001 states and 1175 transitions. [2024-11-13 13:47:02,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-13 13:47:02,792 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-11-13 13:47:02,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:02,795 INFO L225 Difference]: With dead ends: 1001 [2024-11-13 13:47:02,795 INFO L226 Difference]: Without dead ends: 763 [2024-11-13 13:47:02,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-13 13:47:02,799 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 947 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 947 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:02,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [947 Valid, 109 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [228 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:47:02,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 763 states. [2024-11-13 13:47:02,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 763 to 763. [2024-11-13 13:47:02,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 763 states, 754 states have (on average 1.0610079575596818) internal successors, (800), 762 states have internal predecessors, (800), 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) [2024-11-13 13:47:02,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 763 states and 800 transitions. [2024-11-13 13:47:02,876 INFO L78 Accepts]: Start accepts. Automaton has 763 states and 800 transitions. Word has length 35 [2024-11-13 13:47:02,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:02,876 INFO L471 AbstractCegarLoop]: Abstraction has 763 states and 800 transitions. [2024-11-13 13:47:02,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 16 states have internal predecessors, (57), 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) [2024-11-13 13:47:02,876 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 800 transitions. [2024-11-13 13:47:02,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 13:47:02,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:02,879 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-13 13:47:02,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 13:47:03,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-13 13:47:03,081 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:47:03,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:03,082 INFO L85 PathProgramCache]: Analyzing trace with hash -102261432, now seen corresponding path program 1 times [2024-11-13 13:47:03,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:03,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134110626] [2024-11-13 13:47:03,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:03,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:03,308 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-13 13:47:03,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:03,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134110626] [2024-11-13 13:47:03,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134110626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:03,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238252557] [2024-11-13 13:47:03,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:03,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:03,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:03,312 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:03,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 13:47:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:03,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:47:03,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:03,862 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 325 proven. 145 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-13 13:47:03,862 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:04,266 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 325 proven. 145 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-13 13:47:04,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238252557] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:04,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:47:04,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2024-11-13 13:47:04,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489539580] [2024-11-13 13:47:04,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:04,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-13 13:47:04,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:04,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-13 13:47:04,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:47:04,271 INFO L87 Difference]: Start difference. First operand 763 states and 800 transitions. Second operand has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 28 states have internal predecessors, (103), 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) [2024-11-13 13:47:06,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:06,926 INFO L93 Difference]: Finished difference Result 2283 states and 2571 transitions. [2024-11-13 13:47:06,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-13 13:47:06,927 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 28 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 77 [2024-11-13 13:47:06,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:06,934 INFO L225 Difference]: With dead ends: 2283 [2024-11-13 13:47:06,934 INFO L226 Difference]: Without dead ends: 1555 [2024-11-13 13:47:06,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1549, Invalid=3853, Unknown=0, NotChecked=0, Total=5402 [2024-11-13 13:47:06,939 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1569 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1569 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:06,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1569 Valid, 321 Invalid, 933 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:47:06,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2024-11-13 13:47:07,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1552. [2024-11-13 13:47:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1552 states, 1546 states have (on average 1.0278137128072444) internal successors, (1589), 1551 states have internal predecessors, (1589), 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) [2024-11-13 13:47:07,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1552 states and 1589 transitions. [2024-11-13 13:47:07,049 INFO L78 Accepts]: Start accepts. Automaton has 1552 states and 1589 transitions. Word has length 77 [2024-11-13 13:47:07,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:07,049 INFO L471 AbstractCegarLoop]: Abstraction has 1552 states and 1589 transitions. [2024-11-13 13:47:07,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.6785714285714284) internal successors, (103), 28 states have internal predecessors, (103), 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) [2024-11-13 13:47:07,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1589 transitions. [2024-11-13 13:47:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-13 13:47:07,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:07,054 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-13 13:47:07,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 13:47:07,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 13:47:07,258 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:47:07,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:07,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1331362046, now seen corresponding path program 1 times [2024-11-13 13:47:07,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:07,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880483198] [2024-11-13 13:47:07,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:07,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 0 proven. 1506 refuted. 0 times theorem prover too weak. 1432 trivial. 0 not checked. [2024-11-13 13:47:07,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:07,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880483198] [2024-11-13 13:47:07,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880483198] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:07,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2051233604] [2024-11-13 13:47:07,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:07,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:07,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:07,766 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:07,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 13:47:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:08,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 13:47:08,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:08,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1501 proven. 715 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-13 13:47:08,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1501 proven. 715 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-13 13:47:09,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2051233604] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:09,828 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:47:09,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 26, 26] total 52 [2024-11-13 13:47:09,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084320954] [2024-11-13 13:47:09,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:09,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-13 13:47:09,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:09,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-13 13:47:09,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2024-11-13 13:47:09,833 INFO L87 Difference]: Start difference. First operand 1552 states and 1589 transitions. Second operand has 52 states, 52 states have (on average 3.3846153846153846) internal successors, (176), 52 states have internal predecessors, (176), 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) [2024-11-13 13:47:18,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:18,098 INFO L93 Difference]: Finished difference Result 6186 states and 6923 transitions. [2024-11-13 13:47:18,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-11-13 13:47:18,098 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.3846153846153846) internal successors, (176), 52 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 150 [2024-11-13 13:47:18,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:18,118 INFO L225 Difference]: With dead ends: 6186 [2024-11-13 13:47:18,118 INFO L226 Difference]: Without dead ends: 4705 [2024-11-13 13:47:18,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2024-11-13 13:47:18,128 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 4984 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 990 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4984 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 990 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:18,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4984 Valid, 259 Invalid, 1563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [990 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:47:18,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4705 states. [2024-11-13 13:47:18,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4705 to 4699. [2024-11-13 13:47:18,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4699 states, 4693 states have (on average 1.0134242488813126) internal successors, (4756), 4698 states have internal predecessors, (4756), 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) [2024-11-13 13:47:18,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 4699 states and 4756 transitions. [2024-11-13 13:47:18,453 INFO L78 Accepts]: Start accepts. Automaton has 4699 states and 4756 transitions. Word has length 150 [2024-11-13 13:47:18,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:18,454 INFO L471 AbstractCegarLoop]: Abstraction has 4699 states and 4756 transitions. [2024-11-13 13:47:18,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.3846153846153846) internal successors, (176), 52 states have internal predecessors, (176), 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) [2024-11-13 13:47:18,454 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 4756 transitions. [2024-11-13 13:47:18,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-11-13 13:47:18,463 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:18,464 INFO L215 NwaCegarLoop]: trace histogram [138, 138, 138, 3, 3, 3, 2, 1, 1, 1, 1] [2024-11-13 13:47:18,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 13:47:18,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 13:47:18,664 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:47:18,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:18,665 INFO L85 PathProgramCache]: Analyzing trace with hash 658563166, now seen corresponding path program 2 times [2024-11-13 13:47:18,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:18,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105251019] [2024-11-13 13:47:18,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:18,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:19,898 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2024-11-13 13:47:19,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:19,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105251019] [2024-11-13 13:47:19,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105251019] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:19,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138987099] [2024-11-13 13:47:19,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:47:19,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:19,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:19,902 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:19,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 13:47:20,350 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:47:20,350 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:47:20,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:47:20,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2024-11-13 13:47:21,059 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:21,712 INFO L134 CoverageAnalysis]: Checked inductivity of 28785 backedges. 0 proven. 12886 refuted. 0 times theorem prover too weak. 15899 trivial. 0 not checked. [2024-11-13 13:47:21,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138987099] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:21,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:47:21,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-13 13:47:21,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875656699] [2024-11-13 13:47:21,713 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:21,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:47:21,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:21,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:47:21,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:47:21,716 INFO L87 Difference]: Start difference. First operand 4699 states and 4756 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-13 13:47:21,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:21,977 INFO L93 Difference]: Finished difference Result 4699 states and 4756 transitions. [2024-11-13 13:47:21,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:47:21,977 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 429 [2024-11-13 13:47:21,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:21,997 INFO L225 Difference]: With dead ends: 4699 [2024-11-13 13:47:21,997 INFO L226 Difference]: Without dead ends: 4696 [2024-11-13 13:47:21,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 861 GetRequests, 855 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:47:21,999 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 66 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:21,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 46 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:47:22,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4696 states. [2024-11-13 13:47:22,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4696 to 1597. [2024-11-13 13:47:22,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1594 states have (on average 1.0169385194479297) internal successors, (1621), 1596 states have internal predecessors, (1621), 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) [2024-11-13 13:47:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 1621 transitions. [2024-11-13 13:47:22,158 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 1621 transitions. Word has length 429 [2024-11-13 13:47:22,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:22,159 INFO L471 AbstractCegarLoop]: Abstraction has 1597 states and 1621 transitions. [2024-11-13 13:47:22,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 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) [2024-11-13 13:47:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 1621 transitions. [2024-11-13 13:47:22,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2024-11-13 13:47:22,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:47:22,171 INFO L215 NwaCegarLoop]: trace histogram [138, 138, 138, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-13 13:47:22,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-13 13:47:22,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:22,372 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-13 13:47:22,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:47:22,373 INFO L85 PathProgramCache]: Analyzing trace with hash 2139463074, now seen corresponding path program 2 times [2024-11-13 13:47:22,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:47:22,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970135629] [2024-11-13 13:47:22,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:47:22,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:47:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:47:23,455 INFO L134 CoverageAnalysis]: Checked inductivity of 28806 backedges. 0 proven. 12898 refuted. 0 times theorem prover too weak. 15908 trivial. 0 not checked. [2024-11-13 13:47:23,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:47:23,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970135629] [2024-11-13 13:47:23,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970135629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:47:23,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [211876403] [2024-11-13 13:47:23,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:47:23,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:47:23,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:47:23,458 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:47:23,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 13:47:23,954 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:47:23,955 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:47:23,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:47:23,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:47:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 28806 backedges. 0 proven. 12898 refuted. 0 times theorem prover too weak. 15908 trivial. 0 not checked. [2024-11-13 13:47:24,563 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:47:25,222 INFO L134 CoverageAnalysis]: Checked inductivity of 28806 backedges. 0 proven. 12898 refuted. 0 times theorem prover too weak. 15908 trivial. 0 not checked. [2024-11-13 13:47:25,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [211876403] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:47:25,223 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:47:25,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-13 13:47:25,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925867654] [2024-11-13 13:47:25,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:47:25,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:47:25,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:47:25,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:47:25,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:47:25,225 INFO L87 Difference]: Start difference. First operand 1597 states and 1621 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:25,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:47:25,406 INFO L93 Difference]: Finished difference Result 1597 states and 1621 transitions. [2024-11-13 13:47:25,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:47:25,406 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 440 [2024-11-13 13:47:25,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:47:25,409 INFO L225 Difference]: With dead ends: 1597 [2024-11-13 13:47:25,409 INFO L226 Difference]: Without dead ends: 0 [2024-11-13 13:47:25,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 883 GetRequests, 877 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:47:25,412 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 54 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:47:25,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 31 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:47:25,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-13 13:47:25,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-13 13:47:25,413 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) [2024-11-13 13:47:25,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-13 13:47:25,414 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 440 [2024-11-13 13:47:25,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:47:25,415 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 13:47:25,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:47:25,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-13 13:47:25,416 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 13:47:25,418 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-11-13 13:47:25,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-11-13 13:47:25,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-11-13 13:47:25,419 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-11-13 13:47:25,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-11-13 13:47:25,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-11-13 13:47:25,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-11-13 13:47:25,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-11-13 13:47:25,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2024-11-13 13:47:25,420 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2024-11-13 13:47:25,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-11-13 13:47:25,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-11-13 13:47:25,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-11-13 13:47:25,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-11-13 13:47:25,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-11-13 13:47:25,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-11-13 13:47:25,421 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-11-13 13:47:25,422 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-11-13 13:47:25,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 13:47:25,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 13:47:25,629 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:47:25,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-13 13:47:30,684 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 831 DAG size of output: 823 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-13 13:47:44,414 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:47:44,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:47:44 BoogieIcfgContainer [2024-11-13 13:47:44,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:47:44,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:47:44,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:47:44,450 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:47:44,451 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:46:56" (3/4) ... [2024-11-13 13:47:44,453 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 13:47:44,473 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-13 13:47:44,474 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 13:47:44,474 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-13 13:47:44,474 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 13:47:44,609 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:47:44,613 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/witness.yml [2024-11-13 13:47:44,613 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:47:44,614 INFO L158 Benchmark]: Toolchain (without parser) took 49338.94ms. Allocated memory was 117.4MB in the beginning and 947.9MB in the end (delta: 830.5MB). Free memory was 92.9MB in the beginning and 469.5MB in the end (delta: -376.6MB). Peak memory consumption was 449.1MB. Max. memory is 16.1GB. [2024-11-13 13:47:44,614 INFO L158 Benchmark]: CDTParser took 1.93ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:47:44,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.01ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:47:44,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.55ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:47:44,615 INFO L158 Benchmark]: Boogie Preprocessor took 46.21ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:47:44,615 INFO L158 Benchmark]: RCFGBuilder took 520.27ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 62.7MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:47:44,616 INFO L158 Benchmark]: TraceAbstraction took 48272.16ms. Allocated memory was 117.4MB in the beginning and 947.9MB in the end (delta: 830.5MB). Free memory was 62.2MB in the beginning and 473.6MB in the end (delta: -411.4MB). Peak memory consumption was 591.1MB. Max. memory is 16.1GB. [2024-11-13 13:47:44,616 INFO L158 Benchmark]: Witness Printer took 163.22ms. Allocated memory is still 947.9MB. Free memory was 473.6MB in the beginning and 469.5MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:47:44,618 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.93ms. Allocated memory is still 117.4MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.01ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 81.5MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.55ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.21ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 78.2MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 520.27ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 62.7MB in the end (delta: 15.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 48272.16ms. Allocated memory was 117.4MB in the beginning and 947.9MB in the end (delta: 830.5MB). Free memory was 62.2MB in the beginning and 473.6MB in the end (delta: -411.4MB). Peak memory consumption was 591.1MB. Max. memory is 16.1GB. * Witness Printer took 163.22ms. Allocated memory is still 947.9MB. Free memory was 473.6MB in the beginning and 469.5MB in the end (delta: 4.1MB). There was no memory consumed. 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: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 29.4s, OverallIterations: 13, TraceHistogramMax: 138, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 14.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8262 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8262 mSDsluCounter, 1552 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1073 mSDsCounter, 1605 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2010 IncrementalHoareTripleChecker+Invalid, 3615 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1605 mSolverCounterUnsat, 479 mSDtfsCounter, 2010 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2589 GetRequests, 2259 SyntacticMatches, 0 SemanticMatches, 330 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10960 ImplicationChecksByTransitivity, 8.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4699occurred in iteration=11, InterpolantAutomatonStates: 279, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 3158 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 9.0s InterpolantComputationTime, 2402 NumberOfCodeBlocks, 1534 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3548 ConstructedInterpolants, 0 QuantifiedInterpolants, 10648 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1752 ConjunctsInSsa, 64 ConjunctsInUnsatCore, 30 InterpolantComputations, 5 PerfectInterpolantSequences, 102842/183898 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((1 <= i) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500)) || ((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)))) || ((m <= 1000) && (((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)) || (((((i == 0) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (p == 1800)) && (n == 1500))) - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((1 <= i) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500)) || ((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)))) || ((m <= 1000) && (((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)) || (((((i == 0) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (p == 1800)) && (n == 1500))) - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (1 <= i)) && (i <= 2147483646)) && (p == 1800)) && (n == 1500)) || ((((m <= 1000) && (i == 0)) && (p == 1800)) && (n == 1500))) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500)) || ((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))) || ((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (j == 0)) && (n == 1500))) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: ((((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500)) || ((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))) || ((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (j == 0)) && (n == 1500))) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: ((((((m <= 1000) && (i <= 999)) && ((((((1 <= i) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500)) || ((((((1 <= i) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)))) || ((m <= 1000) && (((((((i == 0) && (1 <= j)) && (k == 0)) && (p == 1800)) && (n == 1500)) && (j <= 1499)) || (((((i == 0) && (k == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))))) || ((m <= 1000) && ((((((((i == 0) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((i == 0) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) || (((m <= 1000) && (i <= 999)) && ((((((((1 <= i) && (1 <= j)) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (n == 1500)) && (j <= 1499)) || ((((((1 <= i) && (p == 1800)) && (k <= 2147483646)) && (1 <= k)) && (j == 0)) && (n == 1500))))) - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: ((((((((((m <= 1000) && (1 <= i)) && (1 <= j)) && (i <= 999)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500)) || ((((((m <= 1000) && (i == 0)) && (1 <= j)) && (p == 1800)) && (j <= 2147483646)) && (n == 1500))) || (((((m <= 1000) && (i == 0)) && (p == 1800)) && (j == 0)) && (n == 1500))) || ((((((m <= 1000) && (1 <= i)) && (i <= 999)) && (p == 1800)) && (j == 0)) && (n == 1500))) RESULT: Ultimate proved your program to be correct! [2024-11-13 13:47:44,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b45b3a86-3cd6-4034-9fae-6128223e6a64/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE