./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/seq-pthread/cs_lamport.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_lamport.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB --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 d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:08:22,297 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:08:22,426 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-27 20:08:22,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:08:22,434 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:08:22,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:08:22,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:08:22,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:08:22,482 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:08:22,483 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:08:22,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:08:22,483 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:08:22,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:08:22,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:08:22,483 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:08:22,484 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:08:22,484 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:08:22,484 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:08:22,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:08:22,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:08:22,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:08:22,486 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:08:22,486 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:08:22,486 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:08:22,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-27 20:08:22,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:08:22,486 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:08:22,486 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:08:22,486 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:08:22,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:08:22,487 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:08:22,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:22,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:22,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:22,487 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:22,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:08:22,487 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:08:22,487 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:08:22,487 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:08:22,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:22,488 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:08:22,488 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:08:22,488 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:08:22,488 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:08:22,488 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:08:22,488 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:08:22,488 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:08:22,488 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:08:22,488 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:08:22,488 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:08:22,489 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_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB 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 -> d49d34698411f85a0a6e83adb869f73bcb1d6aade5262b0ab5e3122db7000276 [2024-11-27 20:08:22,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:08:22,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:08:22,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:08:22,853 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:08:22,853 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:08:22,855 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/seq-pthread/cs_lamport.i [2024-11-27 20:08:25,969 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/data/16f3c8392/e3195fcb535442169205febe17b5a3d6/FLAGb89c08b9d [2024-11-27 20:08:26,332 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:08:26,333 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/sv-benchmarks/c/seq-pthread/cs_lamport.i [2024-11-27 20:08:26,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/data/16f3c8392/e3195fcb535442169205febe17b5a3d6/FLAGb89c08b9d [2024-11-27 20:08:26,538 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/data/16f3c8392/e3195fcb535442169205febe17b5a3d6 [2024-11-27 20:08:26,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:08:26,543 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:08:26,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:26,544 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:08:26,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:08:26,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:26" (1/1) ... [2024-11-27 20:08:26,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a244d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:26, skipping insertion in model container [2024-11-27 20:08:26,553 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:08:26" (1/1) ... [2024-11-27 20:08:26,610 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:08:27,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:27,169 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:08:27,353 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:08:27,409 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:08:27,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27 WrapperNode [2024-11-27 20:08:27,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:08:27,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:27,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:08:27,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:08:27,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,460 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,516 INFO L138 Inliner]: procedures = 145, calls = 361, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 481 [2024-11-27 20:08:27,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:08:27,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:08:27,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:08:27,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:08:27,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,538 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,573 INFO L175 MemorySlicer]: Split 168 memory accesses to 20 slices as follows [2, 0, 6, 8, 8, 8, 29, 5, 21, 7, 5, 7, 7, 13, 7, 7, 5, 13, 5, 5]. 17 percent of accesses are in the largest equivalence class. The 46 initializations are split as follows [2, 0, 2, 3, 3, 3, 9, 0, 9, 3, 0, 3, 3, 0, 3, 3, 0, 0, 0, 0]. The 42 writes are split as follows [0, 0, 2, 2, 2, 2, 11, 1, 6, 2, 1, 2, 2, 1, 2, 2, 1, 1, 1, 1]. [2024-11-27 20:08:27,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,574 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,616 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,626 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,633 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,648 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:08:27,680 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:08:27,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:08:27,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:08:27,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (1/1) ... [2024-11-27 20:08:27,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:08:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:27,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:08:27,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:08:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:08:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:08:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:08:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:08:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:08:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:08:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:08:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:08:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:08:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:08:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 20:08:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 20:08:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-27 20:08:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-27 20:08:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-27 20:08:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-27 20:08:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-27 20:08:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-27 20:08:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-27 20:08:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-27 20:08:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:08:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:08:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:08:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:08:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:08:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:08:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:08:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:08:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:08:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:08:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 20:08:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 20:08:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-27 20:08:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-27 20:08:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-27 20:08:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-27 20:08:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-27 20:08:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-27 20:08:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-27 20:08:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-27 20:08:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-27 20:08:27,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 20:08:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2024-11-27 20:08:27,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:08:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-27 20:08:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2024-11-27 20:08:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-27 20:08:27,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 20:08:27,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-27 20:08:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2024-11-27 20:08:27,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 20:08:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 20:08:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-27 20:08:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-27 20:08:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-27 20:08:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-27 20:08:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-27 20:08:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-27 20:08:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-27 20:08:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-27 20:08:27,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:08:27,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:08:28,241 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:08:28,243 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:08:30,257 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-27 20:08:30,257 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:08:30,271 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:08:30,271 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-27 20:08:30,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:30 BoogieIcfgContainer [2024-11-27 20:08:30,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:08:30,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:08:30,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:08:30,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:08:30,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:08:26" (1/3) ... [2024-11-27 20:08:30,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf94065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:30, skipping insertion in model container [2024-11-27 20:08:30,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:08:27" (2/3) ... [2024-11-27 20:08:30,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bf94065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:08:30, skipping insertion in model container [2024-11-27 20:08:30,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:30" (3/3) ... [2024-11-27 20:08:30,282 INFO L128 eAbstractionObserver]: Analyzing ICFG cs_lamport.i [2024-11-27 20:08:30,300 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:08:30,301 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cs_lamport.i that has 6 procedures, 134 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2024-11-27 20:08:30,382 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:08:30,397 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;@2b19a31d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:08:30,397 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-27 20:08:30,403 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 84 states have (on average 1.369047619047619) internal successors, (115), 92 states have internal predecessors, (115), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-27 20:08:30,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-27 20:08:30,410 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:30,410 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:30,411 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:30,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:30,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1824218735, now seen corresponding path program 1 times [2024-11-27 20:08:30,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:30,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044714462] [2024-11-27 20:08:30,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:30,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:30,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:30,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:30,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044714462] [2024-11-27 20:08:30,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044714462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:30,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:30,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:08:30,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595303564] [2024-11-27 20:08:30,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:30,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-27 20:08:30,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:30,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-27 20:08:30,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:08:30,951 INFO L87 Difference]: Start difference. First operand has 134 states, 84 states have (on average 1.369047619047619) internal successors, (115), 92 states have internal predecessors, (115), 36 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:30,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:30,994 INFO L93 Difference]: Finished difference Result 261 states and 405 transitions. [2024-11-27 20:08:30,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-27 20:08:30,998 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-27 20:08:30,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:31,004 INFO L225 Difference]: With dead ends: 261 [2024-11-27 20:08:31,005 INFO L226 Difference]: Without dead ends: 15 [2024-11-27 20:08:31,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-27 20:08:31,016 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:31,017 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:08:31,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-27 20:08:31,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-27 20:08:31,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 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) [2024-11-27 20:08:31,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-27 20:08:31,054 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 7 [2024-11-27 20:08:31,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:31,056 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-27 20:08:31,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:31,057 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-27 20:08:31,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-27 20:08:31,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:31,057 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:31,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:08:31,058 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:31,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:31,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1824208869, now seen corresponding path program 1 times [2024-11-27 20:08:31,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:31,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124400562] [2024-11-27 20:08:31,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:31,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:31,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:31,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:31,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124400562] [2024-11-27 20:08:31,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124400562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:31,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:31,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:08:31,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525816072] [2024-11-27 20:08:31,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:31,563 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:08:31,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:31,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:08:31,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:08:31,567 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:31,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:31,654 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2024-11-27 20:08:31,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:08:31,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-27 20:08:31,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:31,656 INFO L225 Difference]: With dead ends: 32 [2024-11-27 20:08:31,656 INFO L226 Difference]: Without dead ends: 19 [2024-11-27 20:08:31,657 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:08:31,658 INFO L435 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:31,658 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 30 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:31,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-27 20:08:31,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-27 20:08:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-27 20:08:31,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2024-11-27 20:08:31,666 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 7 [2024-11-27 20:08:31,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:31,666 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2024-11-27 20:08:31,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-27 20:08:31,666 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2024-11-27 20:08:31,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-27 20:08:31,667 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:31,667 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:31,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:08:31,668 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:31,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:31,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1423525089, now seen corresponding path program 1 times [2024-11-27 20:08:31,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:31,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247309882] [2024-11-27 20:08:31,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:31,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:32,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:32,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:32,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247309882] [2024-11-27 20:08:32,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247309882] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:32,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123952749] [2024-11-27 20:08:32,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:32,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:32,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:32,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:32,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:08:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:32,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:08:32,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:32,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:32,704 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:08:32,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123952749] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:32,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:08:32,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-27 20:08:32,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93323772] [2024-11-27 20:08:32,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:32,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:08:32,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:32,709 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:08:32,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:08:32,710 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-11-27 20:08:32,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:32,855 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2024-11-27 20:08:32,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:08:32,857 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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 11 [2024-11-27 20:08:32,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:32,857 INFO L225 Difference]: With dead ends: 19 [2024-11-27 20:08:32,857 INFO L226 Difference]: Without dead ends: 18 [2024-11-27 20:08:32,858 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:08:32,859 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:32,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 39 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:32,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-11-27 20:08:32,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-11-27 20:08:32,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 17 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) [2024-11-27 20:08:32,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2024-11-27 20:08:32,867 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 11 [2024-11-27 20:08:32,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:32,867 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2024-11-27 20:08:32,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 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) [2024-11-27 20:08:32,868 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2024-11-27 20:08:32,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-27 20:08:32,868 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:32,868 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:32,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:08:33,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:33,069 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:33,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:33,070 INFO L85 PathProgramCache]: Analyzing trace with hash -1423522911, now seen corresponding path program 1 times [2024-11-27 20:08:33,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:33,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325345976] [2024-11-27 20:08:33,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:33,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:33,311 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:33,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:33,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325345976] [2024-11-27 20:08:33,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325345976] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:33,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623223425] [2024-11-27 20:08:33,312 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:33,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:33,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:33,315 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:33,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:08:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:33,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-27 20:08:33,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:33,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:33,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:08:33,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:08:33,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623223425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:08:33,881 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:08:33,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-27 20:08:33,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329579277] [2024-11-27 20:08:33,882 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:08:33,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:08:33,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:33,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:08:33,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:08:33,884 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2024-11-27 20:08:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:33,971 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2024-11-27 20:08:33,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:08:33,972 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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 11 [2024-11-27 20:08:33,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:33,973 INFO L225 Difference]: With dead ends: 39 [2024-11-27 20:08:33,973 INFO L226 Difference]: Without dead ends: 23 [2024-11-27 20:08:33,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:08:33,974 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:33,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 28 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:33,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2024-11-27 20:08:33,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2024-11-27 20:08:33,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 20 states have (on average 1.2) internal successors, (24), 22 states have internal predecessors, (24), 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) [2024-11-27 20:08:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2024-11-27 20:08:33,979 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 11 [2024-11-27 20:08:33,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:33,979 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2024-11-27 20:08:33,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.4444444444444446) internal successors, (22), 9 states have internal predecessors, (22), 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) [2024-11-27 20:08:33,980 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2024-11-27 20:08:33,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-27 20:08:33,980 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:33,981 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1] [2024-11-27 20:08:33,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:08:34,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:34,185 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:34,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:34,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1275585960, now seen corresponding path program 1 times [2024-11-27 20:08:34,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:34,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131773218] [2024-11-27 20:08:34,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:34,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:34,387 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-27 20:08:34,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:34,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131773218] [2024-11-27 20:08:34,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131773218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:34,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:34,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:08:34,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618218291] [2024-11-27 20:08:34,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:34,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:08:34,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:34,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:08:34,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:08:34,392 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) [2024-11-27 20:08:34,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:34,439 INFO L93 Difference]: Finished difference Result 23 states and 24 transitions. [2024-11-27 20:08:34,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:08:34,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 16 [2024-11-27 20:08:34,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:34,440 INFO L225 Difference]: With dead ends: 23 [2024-11-27 20:08:34,441 INFO L226 Difference]: Without dead ends: 22 [2024-11-27 20:08:34,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:08:34,442 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 0 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:34,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:08:34,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2024-11-27 20:08:34,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-27 20:08:34,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 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) [2024-11-27 20:08:34,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 23 transitions. [2024-11-27 20:08:34,449 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 23 transitions. Word has length 16 [2024-11-27 20:08:34,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:34,449 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 23 transitions. [2024-11-27 20:08:34,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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) [2024-11-27 20:08:34,450 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2024-11-27 20:08:34,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-27 20:08:34,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:34,450 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:34,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:08:34,451 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:34,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:34,451 INFO L85 PathProgramCache]: Analyzing trace with hash 889438997, now seen corresponding path program 2 times [2024-11-27 20:08:34,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:34,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397156148] [2024-11-27 20:08:34,451 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-27 20:08:34,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:34,504 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-27 20:08:34,505 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-27 20:08:34,626 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 20:08:34,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:34,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397156148] [2024-11-27 20:08:34,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397156148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:34,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:34,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:08:34,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524010009] [2024-11-27 20:08:34,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:34,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:08:34,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:34,628 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:08:34,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:08:34,629 INFO L87 Difference]: Start difference. First operand 22 states and 23 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-27 20:08:34,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:34,728 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2024-11-27 20:08:34,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:08:34,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 [2024-11-27 20:08:34,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:34,729 INFO L225 Difference]: With dead ends: 42 [2024-11-27 20:08:34,730 INFO L226 Difference]: Without dead ends: 40 [2024-11-27 20:08:34,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:08:34,731 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:34,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 20 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:34,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-27 20:08:34,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-27 20:08:34,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 38 states have (on average 1.105263157894737) internal successors, (42), 39 states have internal predecessors, (42), 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) [2024-11-27 20:08:34,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2024-11-27 20:08:34,737 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 19 [2024-11-27 20:08:34,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:34,737 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2024-11-27 20:08:34,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2024-11-27 20:08:34,738 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2024-11-27 20:08:34,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-27 20:08:34,738 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:34,739 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-27 20:08:34,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:08:34,739 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:34,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:34,740 INFO L85 PathProgramCache]: Analyzing trace with hash -289432045, now seen corresponding path program 1 times [2024-11-27 20:08:34,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:34,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935177657] [2024-11-27 20:08:34,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:34,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:35,244 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-27 20:08:35,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:35,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935177657] [2024-11-27 20:08:35,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935177657] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:08:35,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724757360] [2024-11-27 20:08:35,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:35,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:35,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:08:35,248 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:08:35,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:08:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:35,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-27 20:08:35,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:08:36,008 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-27 20:08:36,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:08:36,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724757360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:36,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:08:36,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-27 20:08:36,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568973368] [2024-11-27 20:08:36,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:36,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:08:36,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:36,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:08:36,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:08:36,012 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2024-11-27 20:08:36,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:36,163 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2024-11-27 20:08:36,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:08:36,165 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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 37 [2024-11-27 20:08:36,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:36,166 INFO L225 Difference]: With dead ends: 40 [2024-11-27 20:08:36,166 INFO L226 Difference]: Without dead ends: 39 [2024-11-27 20:08:36,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-27 20:08:36,169 INFO L435 NwaCegarLoop]: 10 mSDtfsCounter, 1 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:36,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 24 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:36,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-27 20:08:36,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-27 20:08:36,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.0789473684210527) internal successors, (41), 38 states have internal predecessors, (41), 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) [2024-11-27 20:08:36,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2024-11-27 20:08:36,181 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 37 [2024-11-27 20:08:36,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:36,181 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2024-11-27 20:08:36,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 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) [2024-11-27 20:08:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2024-11-27 20:08:36,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-27 20:08:36,184 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:08:36,184 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-27 20:08:36,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:08:36,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:08:36,385 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [__CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-27 20:08:36,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:08:36,385 INFO L85 PathProgramCache]: Analyzing trace with hash -382458650, now seen corresponding path program 1 times [2024-11-27 20:08:36,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:08:36,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666680194] [2024-11-27 20:08:36,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:08:36,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:08:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:08:36,643 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2024-11-27 20:08:36,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:08:36,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666680194] [2024-11-27 20:08:36,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666680194] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:08:36,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:08:36,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:08:36,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314303759] [2024-11-27 20:08:36,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:08:36,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:08:36,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:08:36,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:08:36,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:08:36,645 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-27 20:08:36,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:08:36,710 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2024-11-27 20:08:36,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:08:36,711 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 38 [2024-11-27 20:08:36,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:08:36,711 INFO L225 Difference]: With dead ends: 39 [2024-11-27 20:08:36,711 INFO L226 Difference]: Without dead ends: 0 [2024-11-27 20:08:36,712 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:08:36,712 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:08:36,713 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:08:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-27 20:08:36,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-27 20:08:36,713 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) [2024-11-27 20:08:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-27 20:08:36,714 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2024-11-27 20:08:36,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:08:36,714 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-27 20:08:36,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2024-11-27 20:08:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-27 20:08:36,715 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-27 20:08:36,717 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-27 20:08:36,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-27 20:08:36,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-27 20:08:36,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __CS_csErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-27 20:08:36,718 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-27 20:08:36,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-27 20:08:36,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-27 20:08:36,719 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-27 20:08:36,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:08:36,723 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2024-11-27 20:08:36,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-27 20:08:36,997 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:08:37,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:08:37 BoogieIcfgContainer [2024-11-27 20:08:37,019 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:08:37,020 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:08:37,020 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:08:37,020 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:08:37,021 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:08:30" (3/4) ... [2024-11-27 20:08:37,024 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:08:37,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_join [2024-11-27 20:08:37,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~$Pointer$ [2024-11-27 20:08:37,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_pthread_create [2024-11-27 20:08:37,030 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-27 20:08:37,031 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CS_cs [2024-11-27 20:08:37,041 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2024-11-27 20:08:37,042 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-27 20:08:37,043 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-27 20:08:37,043 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-27 20:08:37,044 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:08:37,229 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:08:37,230 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:08:37,230 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:08:37,232 INFO L158 Benchmark]: Toolchain (without parser) took 10688.51ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 90.7MB in the beginning and 40.2MB in the end (delta: 50.5MB). Peak memory consumption was 73.3MB. Max. memory is 16.1GB. [2024-11-27 20:08:37,233 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:37,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 865.97ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 61.7MB in the end (delta: 29.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-27 20:08:37,234 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.82ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 57.3MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:08:37,235 INFO L158 Benchmark]: Boogie Preprocessor took 161.88ms. Allocated memory is still 117.4MB. Free memory was 57.3MB in the beginning and 49.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:37,235 INFO L158 Benchmark]: RCFGBuilder took 2591.75ms. Allocated memory is still 117.4MB. Free memory was 49.8MB in the beginning and 45.5MB in the end (delta: 4.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-11-27 20:08:37,236 INFO L158 Benchmark]: TraceAbstraction took 6745.68ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 44.9MB in the beginning and 49.4MB in the end (delta: -4.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-27 20:08:37,237 INFO L158 Benchmark]: Witness Printer took 210.12ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 40.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:08:37,240 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 865.97ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 61.7MB in the end (delta: 29.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.82ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 57.3MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 161.88ms. Allocated memory is still 117.4MB. Free memory was 57.3MB in the beginning and 49.8MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2591.75ms. Allocated memory is still 117.4MB. Free memory was 49.8MB in the beginning and 45.5MB in the end (delta: 4.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6745.68ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 44.9MB in the beginning and 49.4MB in the end (delta: -4.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Witness Printer took 210.12ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 40.2MB in the end (delta: 9.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 875]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 875]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 869]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 869]: 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 6 procedures, 134 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 8, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 356 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 113 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 165 IncrementalHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 243 mSDtfsCounter, 165 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 205 NumberOfCodeBlocks, 193 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 204 ConstructedInterpolants, 0 QuantifiedInterpolants, 482 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1585 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 215/268 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 875]: Loop Invariant Derived loop invariant: (((((i == 0) && (j == 0)) || ((i == 0) && (1 <= j))) || (((1 <= i) && (i <= 2)) && (j == 0))) || (((1 <= i) && (i <= 2)) && (1 <= j))) RESULT: Ultimate proved your program to be correct! [2024-11-27 20:08:37,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e24d1a0-32c2-405d-b18d-65d2fbc3e1f7/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE