./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl --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 0f8425a12726a10f9bd6f987a2385e5f952826d6b30067da33253c37eb113f0d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:14:07,547 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:14:07,680 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-12 02:14:07,691 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:14:07,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:14:07,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:14:07,741 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:14:07,741 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:14:07,743 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:14:07,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:14:07,749 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:14:07,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:14:07,750 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:14:07,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:14:07,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:14:07,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:14:07,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:14:07,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:14:07,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:14:07,755 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:14:07,755 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:14:07,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:14:07,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:14:07,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:14:07,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:14:07,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:14:07,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:14:07,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:14:07,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:14:07,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:14:07,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:14:07,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:14:07,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:14:07,762 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:14:07,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:14:07,762 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:14:07,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:14:07,762 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:14:07,763 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_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f8425a12726a10f9bd6f987a2385e5f952826d6b30067da33253c37eb113f0d [2023-11-12 02:14:08,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:14:08,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:14:08,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:14:08,127 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:14:08,128 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:14:08,129 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_good.i [2023-11-12 02:14:11,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:14:11,737 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:14:11,737 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_64_good.i [2023-11-12 02:14:11,771 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/data/0206fba99/99930231f66f48e3a816b1ad6b0c0a90/FLAG9354fbb57 [2023-11-12 02:14:11,793 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/data/0206fba99/99930231f66f48e3a816b1ad6b0c0a90 [2023-11-12 02:14:11,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:14:11,798 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:14:11,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:14:11,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:14:11,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:14:11,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:14:11" (1/1) ... [2023-11-12 02:14:11,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5720b329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:11, skipping insertion in model container [2023-11-12 02:14:11,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:14:11" (1/1) ... [2023-11-12 02:14:11,904 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:14:12,372 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:14:13,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:14:13,020 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:14:13,057 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:14:13,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:14:13,316 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:14:13,317 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:14:13,317 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:14:13,317 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:14:13,317 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:14:13,325 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:14:13,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13 WrapperNode [2023-11-12 02:14:13,326 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:14:13,327 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:14:13,327 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:14:13,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:14:13,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,392 INFO L138 Inliner]: procedures = 503, calls = 73, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2023-11-12 02:14:13,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:14:13,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:14:13,393 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:14:13,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:14:13,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,408 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,408 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,416 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:14:13,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:14:13,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:14:13,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:14:13,444 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (1/1) ... [2023-11-12 02:14:13,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:14:13,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:14:13,498 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:14:13,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:14:13,548 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 02:14:13,548 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 02:14:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 02:14:13,549 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 02:14:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:14:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:14:13,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:14:13,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:14:13,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:14:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:14:13,552 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 02:14:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:14:13,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:14:13,732 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:14:13,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:14:14,040 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:14:14,053 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:14:14,054 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:14:14,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:14 BoogieIcfgContainer [2023-11-12 02:14:14,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:14:14,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:14:14,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:14:14,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:14:14,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:14:11" (1/3) ... [2023-11-12 02:14:14,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4470d8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:14, skipping insertion in model container [2023-11-12 02:14:14,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:14:13" (2/3) ... [2023-11-12 02:14:14,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4470d8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:14:14, skipping insertion in model container [2023-11-12 02:14:14,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:14" (3/3) ... [2023-11-12 02:14:14,071 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_64_good.i [2023-11-12 02:14:14,125 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:14:14,126 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-11-12 02:14:14,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:14:14,197 INFO L357 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, mHoare=true, 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;@5921f826, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:14:14,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-12 02:14:14,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 46 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-11-12 02:14:14,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 02:14:14,210 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:14,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:14,211 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:14:14,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:14,219 INFO L85 PathProgramCache]: Analyzing trace with hash 139567665, now seen corresponding path program 1 times [2023-11-12 02:14:14,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:14,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245967044] [2023-11-12 02:14:14,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:14,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:14,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:14:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:14,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:14,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245967044] [2023-11-12 02:14:14,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245967044] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:14,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:14,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:14:14,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022172203] [2023-11-12 02:14:14,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:14,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:14:14,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:14,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:14:14,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:14,897 INFO L87 Difference]: Start difference. First operand has 53 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 46 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-12 02:14:14,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:14,929 INFO L93 Difference]: Finished difference Result 53 states and 70 transitions. [2023-11-12 02:14:14,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:14:14,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 9 [2023-11-12 02:14:14,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:14,940 INFO L225 Difference]: With dead ends: 53 [2023-11-12 02:14:14,941 INFO L226 Difference]: Without dead ends: 41 [2023-11-12 02:14:14,944 INFO L412 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 [2023-11-12 02:14:14,948 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 4 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:14,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 128 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:14:14,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-12 02:14:14,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-12 02:14:14,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 36 states have internal predecessors, (50), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:14:14,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions. [2023-11-12 02:14:14,991 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 9 [2023-11-12 02:14:14,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:14,991 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 54 transitions. [2023-11-12 02:14:14,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2023-11-12 02:14:14,992 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2023-11-12 02:14:14,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 02:14:14,993 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:14,993 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:14,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:14:14,993 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:14:14,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:14,994 INFO L85 PathProgramCache]: Analyzing trace with hash 31630367, now seen corresponding path program 1 times [2023-11-12 02:14:14,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:14,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404060989] [2023-11-12 02:14:14,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:14,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:15,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:14:15,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:15,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:15,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:15,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404060989] [2023-11-12 02:14:15,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404060989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:15,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:15,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:14:15,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815982862] [2023-11-12 02:14:15,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:15,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:14:15,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:15,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:14:15,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:15,254 INFO L87 Difference]: Start difference. First operand 41 states and 54 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-12 02:14:15,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:15,279 INFO L93 Difference]: Finished difference Result 41 states and 54 transitions. [2023-11-12 02:14:15,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:14:15,281 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), 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 10 [2023-11-12 02:14:15,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:15,285 INFO L225 Difference]: With dead ends: 41 [2023-11-12 02:14:15,285 INFO L226 Difference]: Without dead ends: 40 [2023-11-12 02:14:15,286 INFO L412 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 [2023-11-12 02:14:15,288 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:15,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:14:15,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2023-11-12 02:14:15,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2023-11-12 02:14:15,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 34 states have (on average 1.4411764705882353) internal successors, (49), 35 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:14:15,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2023-11-12 02:14:15,298 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 53 transitions. Word has length 10 [2023-11-12 02:14:15,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:15,298 INFO L495 AbstractCegarLoop]: Abstraction has 40 states and 53 transitions. [2023-11-12 02:14:15,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2023-11-12 02:14:15,299 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-12 02:14:15,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 02:14:15,300 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:15,300 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:15,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:14:15,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:14:15,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:15,302 INFO L85 PathProgramCache]: Analyzing trace with hash 2037641699, now seen corresponding path program 1 times [2023-11-12 02:14:15,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:15,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090675100] [2023-11-12 02:14:15,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:15,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:15,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:14:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:14:15,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:15,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:15,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:15,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090675100] [2023-11-12 02:14:15,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090675100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:15,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:15,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:14:15,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509495923] [2023-11-12 02:14:15,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:15,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:14:15,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:15,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:14:15,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:15,492 INFO L87 Difference]: Start difference. First operand 40 states and 53 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:14:15,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:15,517 INFO L93 Difference]: Finished difference Result 40 states and 53 transitions. [2023-11-12 02:14:15,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:14:15,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2023-11-12 02:14:15,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:15,523 INFO L225 Difference]: With dead ends: 40 [2023-11-12 02:14:15,523 INFO L226 Difference]: Without dead ends: 39 [2023-11-12 02:14:15,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:15,525 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 2 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:15,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 98 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:14:15,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-12 02:14:15,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-12 02:14:15,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 34 states have (on average 1.411764705882353) internal successors, (48), 34 states have internal predecessors, (48), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:14:15,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2023-11-12 02:14:15,537 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 25 [2023-11-12 02:14:15,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:15,538 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2023-11-12 02:14:15,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:14:15,538 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-12 02:14:15,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 02:14:15,542 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:14:15,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:14:15,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:14:15,543 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2023-11-12 02:14:15,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:14:15,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1257616635, now seen corresponding path program 1 times [2023-11-12 02:14:15,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:14:15,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833517565] [2023-11-12 02:14:15,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:14:15,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:14:15,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:15,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:14:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:15,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-12 02:14:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:14:15,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:14:15,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:14:15,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833517565] [2023-11-12 02:14:15,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833517565] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:14:15,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:14:15,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:14:15,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907564878] [2023-11-12 02:14:15,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:14:15,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:14:15,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:14:15,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:14:15,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:15,924 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:14:15,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:14:15,941 INFO L93 Difference]: Finished difference Result 39 states and 52 transitions. [2023-11-12 02:14:15,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:14:15,942 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2023-11-12 02:14:15,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:14:15,944 INFO L225 Difference]: With dead ends: 39 [2023-11-12 02:14:15,944 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:14:15,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:14:15,953 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:14:15,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:14:15,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:14:15,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:14:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:14:15,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:14:15,955 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2023-11-12 02:14:15,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:14:15,956 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:14:15,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:14:15,956 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:14:15,959 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:14:15,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2023-11-12 02:14:15,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2023-11-12 02:14:15,965 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2023-11-12 02:14:15,966 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2023-11-12 02:14:15,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:14:15,968 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:14:15,992 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-12 02:14:15,992 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-12 02:14:15,992 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-12 02:14:15,992 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-12 02:14:15,992 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-12 02:14:15,992 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-12 02:14:15,993 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-12 02:14:15,993 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1592) no Hoare annotation was computed. [2023-11-12 02:14:15,994 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1569 1576) no Hoare annotation was computed. [2023-11-12 02:14:15,994 INFO L902 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true [2023-11-12 02:14:15,994 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2023-11-12 02:14:15,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2023-11-12 02:14:15,994 INFO L902 garLoopResultBuilder]: At program point L1597(line 1597) the Hoare annotation is: true [2023-11-12 02:14:15,994 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:14:15,994 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1586 1599) no Hoare annotation was computed. [2023-11-12 02:14:15,995 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1568) no Hoare annotation was computed. [2023-11-12 02:14:15,995 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2023-11-12 02:14:15,995 INFO L899 garLoopResultBuilder]: For program point L1590(lines 1590 1598) no Hoare annotation was computed. [2023-11-12 02:14:15,995 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1563) no Hoare annotation was computed. [2023-11-12 02:14:15,996 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2023-11-12 02:14:15,996 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2023-11-12 02:14:15,996 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2023-11-12 02:14:15,996 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:14:15,996 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2023-11-12 02:14:15,996 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2023-11-12 02:14:15,996 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_sub_64b_goodG2BSink_~data~2#1| 2) 0) [2023-11-12 02:14:15,997 INFO L899 garLoopResultBuilder]: For program point L1583-1(line 1583) no Hoare annotation was computed. [2023-11-12 02:14:15,997 INFO L899 garLoopResultBuilder]: For program point L1592(line 1592) no Hoare annotation was computed. [2023-11-12 02:14:15,997 INFO L899 garLoopResultBuilder]: For program point L1592-1(line 1592) no Hoare annotation was computed. [2023-11-12 02:14:15,997 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:14:15,997 INFO L902 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: true [2023-11-12 02:14:15,997 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2023-11-12 02:14:15,997 INFO L899 garLoopResultBuilder]: For program point L1577(lines 1577 1585) no Hoare annotation was computed. [2023-11-12 02:14:15,998 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:14:15,998 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:15,998 INFO L899 garLoopResultBuilder]: For program point L1561-1(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:15,999 INFO L899 garLoopResultBuilder]: For program point L1561-3(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:15,999 INFO L899 garLoopResultBuilder]: For program point L1561-5(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,000 INFO L899 garLoopResultBuilder]: For program point L1561-7(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,000 INFO L899 garLoopResultBuilder]: For program point L1561-8(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,000 INFO L899 garLoopResultBuilder]: For program point L1561-10(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,000 INFO L899 garLoopResultBuilder]: For program point L1561-12(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,000 INFO L899 garLoopResultBuilder]: For program point L1561-14(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,000 INFO L899 garLoopResultBuilder]: For program point L1561-16(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,001 INFO L899 garLoopResultBuilder]: For program point L1561-18(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,001 INFO L899 garLoopResultBuilder]: For program point L1561-20(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,002 INFO L899 garLoopResultBuilder]: For program point L1561-22(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,005 INFO L899 garLoopResultBuilder]: For program point L1561-23(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,006 INFO L899 garLoopResultBuilder]: For program point L1561-25(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,006 INFO L899 garLoopResultBuilder]: For program point L1561-27(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1592) no Hoare annotation was computed. [2023-11-12 02:14:16,006 INFO L899 garLoopResultBuilder]: For program point L1561-29(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,007 INFO L899 garLoopResultBuilder]: For program point L1561-30(line 1561) no Hoare annotation was computed. [2023-11-12 02:14:16,010 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-12 02:14:16,012 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:14:16,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:14:16 BoogieIcfgContainer [2023-11-12 02:14:16,018 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:14:16,021 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:14:16,021 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:14:16,021 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:14:16,022 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:14:14" (3/4) ... [2023-11-12 02:14:16,023 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:14:16,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 02:14:16,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 02:14:16,037 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-12 02:14:16,037 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-12 02:14:16,037 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 02:14:16,038 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:14:16,146 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:14:16,147 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:14:16,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:14:16,148 INFO L158 Benchmark]: Toolchain (without parser) took 4350.07ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 114.8MB in the beginning and 101.6MB in the end (delta: 13.3MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-12 02:14:16,148 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:14:16,148 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1526.74ms. Allocated memory is still 157.3MB. Free memory was 114.5MB in the beginning and 94.0MB in the end (delta: 20.5MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-12 02:14:16,148 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.03ms. Allocated memory is still 157.3MB. Free memory was 93.3MB in the beginning and 90.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:14:16,149 INFO L158 Benchmark]: Boogie Preprocessor took 32.99ms. Allocated memory is still 157.3MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:14:16,149 INFO L158 Benchmark]: RCFGBuilder took 630.82ms. Allocated memory is still 157.3MB. Free memory was 88.3MB in the beginning and 70.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-12 02:14:16,150 INFO L158 Benchmark]: TraceAbstraction took 1958.68ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 70.3MB in the beginning and 106.8MB in the end (delta: -36.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-11-12 02:14:16,150 INFO L158 Benchmark]: Witness Printer took 126.45ms. Allocated memory is still 205.5MB. Free memory was 106.8MB in the beginning and 101.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:14:16,153 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1526.74ms. Allocated memory is still 157.3MB. Free memory was 114.5MB in the beginning and 94.0MB in the end (delta: 20.5MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.03ms. Allocated memory is still 157.3MB. Free memory was 93.3MB in the beginning and 90.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.99ms. Allocated memory is still 157.3MB. Free memory was 90.4MB in the beginning and 88.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 630.82ms. Allocated memory is still 157.3MB. Free memory was 88.3MB in the beginning and 70.9MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1958.68ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 70.3MB in the beginning and 106.8MB in the end (delta: -36.5MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Witness Printer took 126.45ms. Allocated memory is still 205.5MB. Free memory was 106.8MB in the beginning and 101.6MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 53 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 421 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 205 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 216 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 11 HoareAnnotationTreeSize, 10 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:14:16,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7589edd3-e152-41f9-9759-015dfa4d073e/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE