./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 57f38269c4c960187df192acac7fb1cf78f174b0bc0258d373a3e5b5132a13eb --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:14:55,519 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:14:55,601 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-31 22:14:55,606 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:14:55,606 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:14:55,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:14:55,643 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:14:55,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:14:55,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:14:55,649 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:14:55,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:14:55,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:14:55,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:14:55,651 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:14:55,651 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:14:55,651 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:14:55,652 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:14:55,655 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:14:55,655 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:14:55,656 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:14:55,656 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:14:55,656 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:14:55,656 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:14:55,657 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-31 22:14:55,657 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:14:55,657 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:14:55,657 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:14:55,658 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:14:55,658 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:14:55,658 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:14:55,658 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:14:55,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:14:55,659 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:14:55,659 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:14:55,659 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:14:55,659 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:14:55,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:14:55,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:14:55,660 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:14:55,661 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:14:55,661 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:14:55,662 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57f38269c4c960187df192acac7fb1cf78f174b0bc0258d373a3e5b5132a13eb [2024-10-31 22:14:55,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:14:55,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:14:55,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:14:55,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:14:55,994 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:14:55,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i Unable to find full path for "g++" [2024-10-31 22:14:58,173 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:14:58,684 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:14:58,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2024-10-31 22:14:58,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/data/dabb84214/cad72c473e7e4a0c92673efa5de538e8/FLAG040d7afd8 [2024-10-31 22:14:58,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/data/dabb84214/cad72c473e7e4a0c92673efa5de538e8 [2024-10-31 22:14:58,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:14:58,801 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:14:58,805 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:14:58,806 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:14:58,814 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:14:58,815 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:58" (1/1) ... [2024-10-31 22:14:58,818 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4034886b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:14:58, skipping insertion in model container [2024-10-31 22:14:58,820 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:14:58" (1/1) ... [2024-10-31 22:14:58,931 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:15:00,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:00,943 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:15:01,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:15:01,375 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:15:01,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01 WrapperNode [2024-10-31 22:15:01,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:15:01,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:01,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:15:01,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:15:01,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,580 INFO L138 Inliner]: procedures = 575, calls = 755, calls flagged for inlining = 26, calls inlined = 25, statements flattened = 2074 [2024-10-31 22:15:01,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:15:01,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:15:01,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:15:01,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:15:01,595 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,613 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,780 INFO L175 MemorySlicer]: Split 639 memory accesses to 18 slices as follows [2, 7, 3, 3, 2, 34, 6, 3, 104, 12, 3, 19, 2, 17, 355, 44, 20, 3]. 56 percent of accesses are in the largest equivalence class. The 381 initializations are split as follows [2, 1, 0, 3, 2, 5, 0, 0, 8, 1, 0, 0, 0, 4, 355, 0, 0, 0]. The 105 writes are split as follows [0, 2, 0, 0, 0, 0, 6, 0, 68, 5, 0, 4, 1, 4, 0, 12, 3, 0]. [2024-10-31 22:15:01,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:01,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:15:01,991 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:15:01,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:15:01,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:15:01,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (1/1) ... [2024-10-31 22:15:02,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:15:02,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:02,034 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:15:02,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:15:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#0 [2024-10-31 22:15:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#1 [2024-10-31 22:15:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#2 [2024-10-31 22:15:02,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#3 [2024-10-31 22:15:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#4 [2024-10-31 22:15:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#5 [2024-10-31 22:15:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#6 [2024-10-31 22:15:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#7 [2024-10-31 22:15:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#8 [2024-10-31 22:15:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#9 [2024-10-31 22:15:02,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#10 [2024-10-31 22:15:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#11 [2024-10-31 22:15:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#12 [2024-10-31 22:15:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#13 [2024-10-31 22:15:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#14 [2024-10-31 22:15:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#15 [2024-10-31 22:15:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#16 [2024-10-31 22:15:02,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_realloc#17 [2024-10-31 22:15:02,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#0 [2024-10-31 22:15:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#1 [2024-10-31 22:15:02,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#2 [2024-10-31 22:15:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#3 [2024-10-31 22:15:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#4 [2024-10-31 22:15:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#5 [2024-10-31 22:15:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#6 [2024-10-31 22:15:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#7 [2024-10-31 22:15:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#8 [2024-10-31 22:15:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#9 [2024-10-31 22:15:02,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#10 [2024-10-31 22:15:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#11 [2024-10-31 22:15:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#12 [2024-10-31 22:15:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#13 [2024-10-31 22:15:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#14 [2024-10-31 22:15:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#15 [2024-10-31 22:15:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#16 [2024-10-31 22:15:02,079 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_realloc#17 [2024-10-31 22:15:02,079 INFO L130 BoogieDeclarations]: Found specification of procedure xrealloc [2024-10-31 22:15:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure xrealloc [2024-10-31 22:15:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:15:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-10-31 22:15:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-10-31 22:15:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-10-31 22:15:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-10-31 22:15:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-10-31 22:15:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-10-31 22:15:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-10-31 22:15:02,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-10-31 22:15:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-10-31 22:15:02,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-10-31 22:15:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-10-31 22:15:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-10-31 22:15:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#12 [2024-10-31 22:15:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#13 [2024-10-31 22:15:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#14 [2024-10-31 22:15:02,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#15 [2024-10-31 22:15:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#16 [2024-10-31 22:15:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#17 [2024-10-31 22:15:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure bb_verror_msg [2024-10-31 22:15:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_verror_msg [2024-10-31 22:15:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:15:02,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:15:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:15:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:15:02,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:15:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:15:02,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:15:02,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:15:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-10-31 22:15:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-10-31 22:15:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-10-31 22:15:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-10-31 22:15:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-10-31 22:15:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-10-31 22:15:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-10-31 22:15:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-10-31 22:15:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-10-31 22:15:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-10-31 22:15:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:15:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:15:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:15:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:15:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:15:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:15:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:15:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:15:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-31 22:15:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-31 22:15:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-31 22:15:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-31 22:15:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-31 22:15:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-31 22:15:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-31 22:15:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-10-31 22:15:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-10-31 22:15:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-10-31 22:15:02,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:15:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:15:02,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:15:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:15:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:15:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:15:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:15:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:15:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:15:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:15:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-10-31 22:15:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-10-31 22:15:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-10-31 22:15:02,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-10-31 22:15:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-10-31 22:15:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-10-31 22:15:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-10-31 22:15:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-10-31 22:15:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-10-31 22:15:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-10-31 22:15:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:15:02,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:15:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#0 [2024-10-31 22:15:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#1 [2024-10-31 22:15:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#2 [2024-10-31 22:15:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#3 [2024-10-31 22:15:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#4 [2024-10-31 22:15:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#5 [2024-10-31 22:15:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#6 [2024-10-31 22:15:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#7 [2024-10-31 22:15:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#8 [2024-10-31 22:15:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#9 [2024-10-31 22:15:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#10 [2024-10-31 22:15:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#11 [2024-10-31 22:15:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#12 [2024-10-31 22:15:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#13 [2024-10-31 22:15:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#14 [2024-10-31 22:15:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#15 [2024-10-31 22:15:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#16 [2024-10-31 22:15:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy#17 [2024-10-31 22:15:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#0 [2024-10-31 22:15:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#1 [2024-10-31 22:15:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#2 [2024-10-31 22:15:02,102 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#3 [2024-10-31 22:15:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#4 [2024-10-31 22:15:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#5 [2024-10-31 22:15:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#6 [2024-10-31 22:15:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#7 [2024-10-31 22:15:02,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#8 [2024-10-31 22:15:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#9 [2024-10-31 22:15:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#10 [2024-10-31 22:15:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#11 [2024-10-31 22:15:02,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#12 [2024-10-31 22:15:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#13 [2024-10-31 22:15:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#14 [2024-10-31 22:15:02,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#15 [2024-10-31 22:15:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#16 [2024-10-31 22:15:02,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy#17 [2024-10-31 22:15:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure xmalloc [2024-10-31 22:15:02,107 INFO L138 BoogieDeclarations]: Found implementation of procedure xmalloc [2024-10-31 22:15:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-10-31 22:15:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-10-31 22:15:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-10-31 22:15:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-10-31 22:15:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-10-31 22:15:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-10-31 22:15:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-10-31 22:15:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#12 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#13 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#14 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#15 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#16 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#17 [2024-10-31 22:15:02,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-10-31 22:15:02,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-10-31 22:15:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-10-31 22:15:02,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-10-31 22:15:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-10-31 22:15:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-10-31 22:15:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-10-31 22:15:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-10-31 22:15:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure bb_simple_perror_msg [2024-10-31 22:15:02,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_simple_perror_msg [2024-10-31 22:15:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-10-31 22:15:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-10-31 22:15:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-10-31 22:15:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-10-31 22:15:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-10-31 22:15:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-10-31 22:15:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-10-31 22:15:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-10-31 22:15:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#8 [2024-10-31 22:15:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#9 [2024-10-31 22:15:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#10 [2024-10-31 22:15:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#11 [2024-10-31 22:15:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#12 [2024-10-31 22:15:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#13 [2024-10-31 22:15:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#14 [2024-10-31 22:15:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#15 [2024-10-31 22:15:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#16 [2024-10-31 22:15:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#17 [2024-10-31 22:15:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-10-31 22:15:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-10-31 22:15:02,117 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-10-31 22:15:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-10-31 22:15:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-10-31 22:15:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-10-31 22:15:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-10-31 22:15:02,118 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-10-31 22:15:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#8 [2024-10-31 22:15:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#9 [2024-10-31 22:15:02,119 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#10 [2024-10-31 22:15:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#11 [2024-10-31 22:15:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#12 [2024-10-31 22:15:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#13 [2024-10-31 22:15:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#14 [2024-10-31 22:15:02,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#15 [2024-10-31 22:15:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#16 [2024-10-31 22:15:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#17 [2024-10-31 22:15:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:15:02,121 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:15:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:15:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:15:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:15:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:15:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:15:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:15:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:15:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-10-31 22:15:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:15:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:15:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:15:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:15:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:15:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-10-31 22:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-10-31 22:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-10-31 22:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-10-31 22:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-10-31 22:15:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-10-31 22:15:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-10-31 22:15:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-10-31 22:15:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-10-31 22:15:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-10-31 22:15:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:15:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:15:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-31 22:15:02,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-31 22:15:02,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-31 22:15:02,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-31 22:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-31 22:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-31 22:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-31 22:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-10-31 22:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-10-31 22:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-10-31 22:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure full_write [2024-10-31 22:15:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure full_write [2024-10-31 22:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure bb_error_msg_and_die [2024-10-31 22:15:02,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bb_error_msg_and_die [2024-10-31 22:15:02,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-31 22:15:02,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-31 22:15:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-31 22:15:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-31 22:15:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-10-31 22:15:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-10-31 22:15:02,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-10-31 22:15:02,972 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:15:02,976 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:15:10,250 INFO L? ?]: Removed 795 outVars from TransFormulas that were not future-live. [2024-10-31 22:15:10,250 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:15:10,278 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:15:10,278 INFO L316 CfgBuilder]: Removed 48 assume(true) statements. [2024-10-31 22:15:10,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:10 BoogieIcfgContainer [2024-10-31 22:15:10,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:15:10,282 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:15:10,282 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:15:10,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:15:10,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:14:58" (1/3) ... [2024-10-31 22:15:10,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719ff379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:10, skipping insertion in model container [2024-10-31 22:15:10,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:15:01" (2/3) ... [2024-10-31 22:15:10,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@719ff379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:15:10, skipping insertion in model container [2024-10-31 22:15:10,288 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:15:10" (3/3) ... [2024-10-31 22:15:10,289 INFO L112 eAbstractionObserver]: Analyzing ICFG tac-1.i [2024-10-31 22:15:10,311 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:15:10,312 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 65 error locations. [2024-10-31 22:15:10,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:15:10,432 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;@607b9e50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:15:10,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 65 error locations. [2024-10-31 22:15:10,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 569 states, 460 states have (on average 1.6456521739130434) internal successors, (757), 529 states have internal predecessors, (757), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-31 22:15:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-31 22:15:10,478 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:10,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-31 22:15:10,479 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-10-31 22:15:10,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:10,495 INFO L85 PathProgramCache]: Analyzing trace with hash 25429829, now seen corresponding path program 1 times [2024-10-31 22:15:10,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:10,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413352481] [2024-10-31 22:15:10,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:10,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:11,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:11,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:11,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413352481] [2024-10-31 22:15:11,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413352481] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:11,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:11,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:11,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016642658] [2024-10-31 22:15:11,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:11,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:11,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:11,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:11,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:11,771 INFO L87 Difference]: Start difference. First operand has 569 states, 460 states have (on average 1.6456521739130434) internal successors, (757), 529 states have internal predecessors, (757), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:11,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:11,919 INFO L93 Difference]: Finished difference Result 1128 states and 1647 transitions. [2024-10-31 22:15:11,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:11,927 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-10-31 22:15:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:11,948 INFO L225 Difference]: With dead ends: 1128 [2024-10-31 22:15:11,948 INFO L226 Difference]: Without dead ends: 559 [2024-10-31 22:15:11,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:11,961 INFO L432 NwaCegarLoop]: 760 mSDtfsCounter, 1 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1514 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:11,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1514 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:15:11,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 559 states. [2024-10-31 22:15:12,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 559 to 559. [2024-10-31 22:15:12,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 453 states have (on average 1.5629139072847682) internal successors, (708), 524 states have internal predecessors, (708), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:15:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 761 transitions. [2024-10-31 22:15:12,036 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 761 transitions. Word has length 4 [2024-10-31 22:15:12,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:12,037 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 761 transitions. [2024-10-31 22:15:12,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:12,037 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 761 transitions. [2024-10-31 22:15:12,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-31 22:15:12,037 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:12,038 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-31 22:15:12,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:15:12,038 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-10-31 22:15:12,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:12,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1666626599, now seen corresponding path program 1 times [2024-10-31 22:15:12,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:12,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290951364] [2024-10-31 22:15:12,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:12,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:12,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:12,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290951364] [2024-10-31 22:15:12,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290951364] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:15:12,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159988815] [2024-10-31 22:15:12,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:12,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:12,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:12,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:15:12,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-31 22:15:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:13,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 1298 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:15:13,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:13,889 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:15:13,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159988815] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:13,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:15:13,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-10-31 22:15:13,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760920897] [2024-10-31 22:15:13,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:13,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:15:13,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:13,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:15:13,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:15:13,898 INFO L87 Difference]: Start difference. First operand 559 states and 761 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) [2024-10-31 22:15:13,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:13,984 INFO L93 Difference]: Finished difference Result 559 states and 761 transitions. [2024-10-31 22:15:13,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-31 22:15:13,986 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 [2024-10-31 22:15:13,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:13,993 INFO L225 Difference]: With dead ends: 559 [2024-10-31 22:15:13,993 INFO L226 Difference]: Without dead ends: 558 [2024-10-31 22:15:13,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:15:13,996 INFO L432 NwaCegarLoop]: 752 mSDtfsCounter, 1 mSDsluCounter, 1500 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2252 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:13,996 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2252 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:15:13,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-10-31 22:15:14,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 558. [2024-10-31 22:15:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 558 states, 453 states have (on average 1.5607064017660044) internal successors, (707), 523 states have internal predecessors, (707), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:15:14,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 760 transitions. [2024-10-31 22:15:14,025 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 760 transitions. Word has length 7 [2024-10-31 22:15:14,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:14,025 INFO L471 AbstractCegarLoop]: Abstraction has 558 states and 760 transitions. [2024-10-31 22:15:14,026 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) [2024-10-31 22:15:14,026 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 760 transitions. [2024-10-31 22:15:14,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-31 22:15:14,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:14,026 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-31 22:15:14,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-31 22:15:14,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:14,227 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-10-31 22:15:14,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:14,228 INFO L85 PathProgramCache]: Analyzing trace with hash 125817858, now seen corresponding path program 1 times [2024-10-31 22:15:14,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:14,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871569776] [2024-10-31 22:15:14,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:14,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:14,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:15:14,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:14,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871569776] [2024-10-31 22:15:14,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871569776] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:14,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:14,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:14,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427328742] [2024-10-31 22:15:14,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:14,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:14,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:14,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:14,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:14,789 INFO L87 Difference]: Start difference. First operand 558 states and 760 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:14,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:14,829 INFO L93 Difference]: Finished difference Result 558 states and 760 transitions. [2024-10-31 22:15:14,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:14,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2024-10-31 22:15:14,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:14,834 INFO L225 Difference]: With dead ends: 558 [2024-10-31 22:15:14,834 INFO L226 Difference]: Without dead ends: 557 [2024-10-31 22:15:14,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:14,837 INFO L432 NwaCegarLoop]: 753 mSDtfsCounter, 0 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1503 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:14,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1503 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:15:14,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-10-31 22:15:14,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 555. [2024-10-31 22:15:14,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 451 states have (on average 1.5609756097560976) internal successors, (704), 520 states have internal predecessors, (704), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:15:14,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 757 transitions. [2024-10-31 22:15:14,901 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 757 transitions. Word has length 8 [2024-10-31 22:15:14,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:14,901 INFO L471 AbstractCegarLoop]: Abstraction has 555 states and 757 transitions. [2024-10-31 22:15:14,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:15:14,903 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 757 transitions. [2024-10-31 22:15:14,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-31 22:15:14,904 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:14,904 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:14,904 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-31 22:15:14,904 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-10-31 22:15:14,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:14,905 INFO L85 PathProgramCache]: Analyzing trace with hash 243860795, now seen corresponding path program 1 times [2024-10-31 22:15:14,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:14,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837526083] [2024-10-31 22:15:14,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:14,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:15:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:15,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:15,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:15,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837526083] [2024-10-31 22:15:15,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837526083] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:15:15,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583329554] [2024-10-31 22:15:15,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:15,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:15,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:15,619 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:15:15,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-31 22:15:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:16,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:15:16,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:16,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-31 22:15:16,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:15:16,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583329554] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:16,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:15:16,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-31 22:15:16,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737830237] [2024-10-31 22:15:16,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:16,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:16,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:16,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:16,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:15:16,569 INFO L87 Difference]: Start difference. First operand 555 states and 757 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:15:16,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:16,632 INFO L93 Difference]: Finished difference Result 555 states and 757 transitions. [2024-10-31 22:15:16,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:16,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-10-31 22:15:16,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:16,636 INFO L225 Difference]: With dead ends: 555 [2024-10-31 22:15:16,637 INFO L226 Difference]: Without dead ends: 553 [2024-10-31 22:15:16,638 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:15:16,642 INFO L432 NwaCegarLoop]: 744 mSDtfsCounter, 527 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 540 SdHoareTripleChecker+Valid, 953 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:16,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [540 Valid, 953 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:15:16,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2024-10-31 22:15:16,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 553. [2024-10-31 22:15:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 451 states have (on average 1.5565410199556542) internal successors, (702), 518 states have internal predecessors, (702), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:15:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 755 transitions. [2024-10-31 22:15:16,695 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 755 transitions. Word has length 13 [2024-10-31 22:15:16,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:16,696 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 755 transitions. [2024-10-31 22:15:16,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:15:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 755 transitions. [2024-10-31 22:15:16,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-31 22:15:16,698 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:16,698 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:16,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:16,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:16,899 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-10-31 22:15:16,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:16,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1030249097, now seen corresponding path program 1 times [2024-10-31 22:15:16,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:16,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853999386] [2024-10-31 22:15:16,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:16,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:17,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:15:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:17,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:17,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:17,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853999386] [2024-10-31 22:15:17,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853999386] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:15:17,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [852933570] [2024-10-31 22:15:17,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:17,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:17,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:17,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:15:17,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-31 22:15:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:18,433 INFO L255 TraceCheckSpWp]: Trace formula consists of 1316 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:15:18,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:18,466 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:15:18,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:18,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [852933570] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:15:18,534 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:15:18,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-31 22:15:18,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148900759] [2024-10-31 22:15:18,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:15:18,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-31 22:15:18,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:18,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:15:18,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:15:18,536 INFO L87 Difference]: Start difference. First operand 553 states and 755 transitions. Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:15:18,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:18,662 INFO L93 Difference]: Finished difference Result 1109 states and 1515 transitions. [2024-10-31 22:15:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:15:18,663 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2024-10-31 22:15:18,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:18,666 INFO L225 Difference]: With dead ends: 1109 [2024-10-31 22:15:18,666 INFO L226 Difference]: Without dead ends: 562 [2024-10-31 22:15:18,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:15:18,670 INFO L432 NwaCegarLoop]: 751 mSDtfsCounter, 4 mSDsluCounter, 2244 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2995 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:18,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2995 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:15:18,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-10-31 22:15:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2024-10-31 22:15:18,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 460 states have (on average 1.5456521739130435) internal successors, (711), 527 states have internal predecessors, (711), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:15:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 764 transitions. [2024-10-31 22:15:18,694 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 764 transitions. Word has length 14 [2024-10-31 22:15:18,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:18,694 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 764 transitions. [2024-10-31 22:15:18,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 22:15:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 764 transitions. [2024-10-31 22:15:18,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-31 22:15:18,696 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:18,696 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:18,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-31 22:15:18,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:18,897 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-10-31 22:15:18,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:18,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2121622759, now seen corresponding path program 2 times [2024-10-31 22:15:18,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:18,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796460589] [2024-10-31 22:15:18,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:18,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:19,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:15:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:15:19,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:19,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796460589] [2024-10-31 22:15:19,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796460589] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:15:19,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124153083] [2024-10-31 22:15:19,907 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:15:19,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:19,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:19,910 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:15:19,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-31 22:15:21,012 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-31 22:15:21,012 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:15:21,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 1297 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:15:21,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:15:21,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:15:21,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124153083] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:21,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:15:21,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-10-31 22:15:21,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591211581] [2024-10-31 22:15:21,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:21,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:15:21,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:21,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:15:21,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:15:21,149 INFO L87 Difference]: Start difference. First operand 562 states and 764 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:15:21,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:21,346 INFO L93 Difference]: Finished difference Result 562 states and 764 transitions. [2024-10-31 22:15:21,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-31 22:15:21,354 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2024-10-31 22:15:21,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:21,357 INFO L225 Difference]: With dead ends: 562 [2024-10-31 22:15:21,357 INFO L226 Difference]: Without dead ends: 560 [2024-10-31 22:15:21,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-31 22:15:21,361 INFO L432 NwaCegarLoop]: 739 mSDtfsCounter, 526 mSDsluCounter, 1673 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 539 SdHoareTripleChecker+Valid, 2412 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:21,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [539 Valid, 2412 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:15:21,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-10-31 22:15:21,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560. [2024-10-31 22:15:21,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 460 states have (on average 1.541304347826087) internal successors, (709), 525 states have internal predecessors, (709), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:15:21,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 762 transitions. [2024-10-31 22:15:21,393 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 762 transitions. Word has length 23 [2024-10-31 22:15:21,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:21,393 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 762 transitions. [2024-10-31 22:15:21,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:15:21,394 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 762 transitions. [2024-10-31 22:15:21,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-10-31 22:15:21,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:21,395 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:21,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-31 22:15:21,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:21,596 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-10-31 22:15:21,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:21,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1090589850, now seen corresponding path program 1 times [2024-10-31 22:15:21,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:21,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097415979] [2024-10-31 22:15:21,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:21,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:22,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:15:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:22,318 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:15:22,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:22,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097415979] [2024-10-31 22:15:22,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097415979] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:22,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:22,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:22,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816054249] [2024-10-31 22:15:22,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:22,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:22,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:22,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:22,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:22,322 INFO L87 Difference]: Start difference. First operand 560 states and 762 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:15:22,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:22,393 INFO L93 Difference]: Finished difference Result 1102 states and 1507 transitions. [2024-10-31 22:15:22,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:22,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-10-31 22:15:22,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:22,398 INFO L225 Difference]: With dead ends: 1102 [2024-10-31 22:15:22,398 INFO L226 Difference]: Without dead ends: 563 [2024-10-31 22:15:22,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:22,401 INFO L432 NwaCegarLoop]: 749 mSDtfsCounter, 1 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1492 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:22,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1492 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-31 22:15:22,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-10-31 22:15:22,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 563. [2024-10-31 22:15:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 563 states, 463 states have (on average 1.5377969762419006) internal successors, (712), 528 states have internal predecessors, (712), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:15:22,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 765 transitions. [2024-10-31 22:15:22,430 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 765 transitions. Word has length 28 [2024-10-31 22:15:22,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:22,430 INFO L471 AbstractCegarLoop]: Abstraction has 563 states and 765 transitions. [2024-10-31 22:15:22,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:15:22,431 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 765 transitions. [2024-10-31 22:15:22,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-10-31 22:15:22,432 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:22,433 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:22,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-31 22:15:22,434 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-10-31 22:15:22,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:22,435 INFO L85 PathProgramCache]: Analyzing trace with hash -86089464, now seen corresponding path program 1 times [2024-10-31 22:15:22,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:22,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546607458] [2024-10-31 22:15:22,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:22,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:23,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:15:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:23,167 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:15:23,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:23,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546607458] [2024-10-31 22:15:23,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546607458] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:15:23,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:15:23,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:15:23,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393630255] [2024-10-31 22:15:23,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:15:23,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:15:23,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:23,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:15:23,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:23,169 INFO L87 Difference]: Start difference. First operand 563 states and 765 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:15:23,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:23,301 INFO L93 Difference]: Finished difference Result 866 states and 1208 transitions. [2024-10-31 22:15:23,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:15:23,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2024-10-31 22:15:23,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:23,306 INFO L225 Difference]: With dead ends: 866 [2024-10-31 22:15:23,306 INFO L226 Difference]: Without dead ends: 864 [2024-10-31 22:15:23,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:15:23,308 INFO L432 NwaCegarLoop]: 744 mSDtfsCounter, 417 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:23,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 1480 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-31 22:15:23,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 864 states. [2024-10-31 22:15:23,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 864 to 567. [2024-10-31 22:15:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 467 states have (on average 1.5353319057815846) internal successors, (717), 532 states have internal predecessors, (717), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:15:23,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 770 transitions. [2024-10-31 22:15:23,347 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 770 transitions. Word has length 30 [2024-10-31 22:15:23,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:23,348 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 770 transitions. [2024-10-31 22:15:23,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-31 22:15:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 770 transitions. [2024-10-31 22:15:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-10-31 22:15:23,349 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:23,349 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:23,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-31 22:15:23,350 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-10-31 22:15:23,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:23,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1666241608, now seen corresponding path program 1 times [2024-10-31 22:15:23,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:23,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224154856] [2024-10-31 22:15:23,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:23,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:15:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:24,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-10-31 22:15:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:24,067 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-31 22:15:24,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:15:24,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224154856] [2024-10-31 22:15:24,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224154856] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:15:24,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762555164] [2024-10-31 22:15:24,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:24,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:15:24,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:15:24,071 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:15:24,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-31 22:15:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:15:25,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 1505 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:15:25,313 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:15:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:15:25,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:15:25,770 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-31 22:15:25,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762555164] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:15:25,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:15:25,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 14 [2024-10-31 22:15:25,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869774727] [2024-10-31 22:15:25,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:15:25,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-31 22:15:25,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:15:25,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-31 22:15:25,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:15:25,774 INFO L87 Difference]: Start difference. First operand 567 states and 770 transitions. Second operand has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:15:26,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:15:26,039 INFO L93 Difference]: Finished difference Result 1136 states and 1548 transitions. [2024-10-31 22:15:26,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-31 22:15:26,040 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 31 [2024-10-31 22:15:26,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:15:26,042 INFO L225 Difference]: With dead ends: 1136 [2024-10-31 22:15:26,042 INFO L226 Difference]: Without dead ends: 584 [2024-10-31 22:15:26,044 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-10-31 22:15:26,044 INFO L432 NwaCegarLoop]: 743 mSDtfsCounter, 5 mSDsluCounter, 5920 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 6663 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-31 22:15:26,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 6663 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-31 22:15:26,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2024-10-31 22:15:26,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2024-10-31 22:15:26,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 485 states have (on average 1.51340206185567) internal successors, (734), 549 states have internal predecessors, (734), 30 states have call successors, (30), 12 states have call predecessors, (30), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-10-31 22:15:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 787 transitions. [2024-10-31 22:15:26,065 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 787 transitions. Word has length 31 [2024-10-31 22:15:26,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:15:26,065 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 787 transitions. [2024-10-31 22:15:26,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.357142857142857) internal successors, (61), 14 states have internal predecessors, (61), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-10-31 22:15:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 787 transitions. [2024-10-31 22:15:26,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-31 22:15:26,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:15:26,067 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:15:26,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-31 22:15:26,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b534c644-0ebe-45c0-b4c4-c05df9357b2b/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-10-31 22:15:26,268 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [bb_verror_msgErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bb_verror_msgErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 62 more)] === [2024-10-31 22:15:26,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:15:26,268 INFO L85 PathProgramCache]: Analyzing trace with hash -859973726, now seen corresponding path program 1 times [2024-10-31 22:15:26,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:15:26,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454711025] [2024-10-31 22:15:26,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:15:26,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms