./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e7bb482b 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_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 cc264d4b07d7eb3b476452e717e168006b9fa17ef2655b8e318d16d5a9efebca --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 21:55:43,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 21:55:43,860 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-06 21:55:43,871 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 21:55:43,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 21:55:43,919 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 21:55:43,920 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 21:55:43,920 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 21:55:43,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 21:55:43,929 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 21:55:43,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 21:55:43,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 21:55:43,932 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 21:55:43,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 21:55:43,935 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 21:55:43,936 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 21:55:43,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 21:55:43,936 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 21:55:43,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 21:55:43,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 21:55:43,938 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-06 21:55:43,938 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 21:55:43,939 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 21:55:43,939 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 21:55:43,940 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 21:55:43,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 21:55:43,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 21:55:43,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:55:43,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 21:55:43,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 21:55:43,943 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 21:55:43,943 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 21:55:43,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 21:55:43,944 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 21:55:43,944 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 21:55:43,944 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 21:55:43,944 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 21:55:43,944 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 21:55:43,945 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_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc264d4b07d7eb3b476452e717e168006b9fa17ef2655b8e318d16d5a9efebca [2023-11-06 21:55:44,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 21:55:44,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 21:55:44,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 21:55:44,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 21:55:44,392 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 21:55:44,394 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_12_good.i [2023-11-06 21:55:47,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 21:55:47,984 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 21:55:47,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_12_good.i [2023-11-06 21:55:48,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/data/85cd94ce0/c83b9b3ad65346808d80ce5caaa201ac/FLAGb0f295203 [2023-11-06 21:55:48,047 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/data/85cd94ce0/c83b9b3ad65346808d80ce5caaa201ac [2023-11-06 21:55:48,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 21:55:48,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 21:55:48,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 21:55:48,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 21:55:48,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 21:55:48,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:55:48" (1/1) ... [2023-11-06 21:55:48,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54298630 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:48, skipping insertion in model container [2023-11-06 21:55:48,091 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:55:48" (1/1) ... [2023-11-06 21:55:48,209 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 21:55:48,646 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 21:55:49,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:55:49,336 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 21:55:49,378 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-06 21:55:49,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 21:55:49,640 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:55:49,641 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:55:49,641 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:55:49,641 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:55:49,641 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 21:55:49,650 INFO L206 MainTranslator]: Completed translation [2023-11-06 21:55:49,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49 WrapperNode [2023-11-06 21:55:49,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 21:55:49,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 21:55:49,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 21:55:49,654 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 21:55:49,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,778 INFO L138 Inliner]: procedures = 501, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-06 21:55:49,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 21:55:49,779 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 21:55:49,779 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 21:55:49,779 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 21:55:49,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,801 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,802 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,809 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,811 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,813 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,819 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 21:55:49,821 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 21:55:49,821 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 21:55:49,821 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 21:55:49,822 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (1/1) ... [2023-11-06 21:55:49,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 21:55:49,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 21:55:49,878 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 21:55:49,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 21:55:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-06 21:55:49,935 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-06 21:55:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2023-11-06 21:55:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2023-11-06 21:55:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-06 21:55:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-06 21:55:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 21:55:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 21:55:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 21:55:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-06 21:55:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 21:55:50,174 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 21:55:50,176 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 21:55:50,421 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 21:55:50,451 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 21:55:50,451 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-06 21:55:50,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:55:50 BoogieIcfgContainer [2023-11-06 21:55:50,454 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 21:55:50,457 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 21:55:50,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 21:55:50,461 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 21:55:50,461 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:55:48" (1/3) ... [2023-11-06 21:55:50,462 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a25f3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:55:50, skipping insertion in model container [2023-11-06 21:55:50,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:55:49" (2/3) ... [2023-11-06 21:55:50,463 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a25f3bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:55:50, skipping insertion in model container [2023-11-06 21:55:50,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:55:50" (3/3) ... [2023-11-06 21:55:50,465 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_sub_12_good.i [2023-11-06 21:55:50,495 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 21:55:50,495 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-06 21:55:50,612 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 21:55:50,621 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=LoopsAndPotentialCycles, 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;@748a79d9, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 21:55:50,622 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-06 21:55:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand has 62 states, 38 states have (on average 1.394736842105263) internal successors, (53), 48 states have internal predecessors, (53), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-06 21:55:50,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-06 21:55:50,637 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:50,638 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:50,639 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:55:50,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:50,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2121644338, now seen corresponding path program 1 times [2023-11-06 21:55:50,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:50,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51740539] [2023-11-06 21:55:50,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:50,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:55:51,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:55:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:55:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-06 21:55:51,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:51,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51740539] [2023-11-06 21:55:51,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51740539] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:51,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:55:51,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 21:55:51,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695802377] [2023-11-06 21:55:51,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:51,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:51,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:51,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:51,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:55:51,307 INFO L87 Difference]: Start difference. First operand has 62 states, 38 states have (on average 1.394736842105263) internal successors, (53), 48 states have internal predecessors, (53), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 21:55:51,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:51,382 INFO L93 Difference]: Finished difference Result 98 states and 117 transitions. [2023-11-06 21:55:51,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:51,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2023-11-06 21:55:51,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:51,398 INFO L225 Difference]: With dead ends: 98 [2023-11-06 21:55:51,398 INFO L226 Difference]: Without dead ends: 36 [2023-11-06 21:55:51,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:55:51,411 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:51,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 108 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:55:51,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-06 21:55:51,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-06 21:55:51,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 23 states have (on average 1.3043478260869565) internal successors, (30), 27 states have internal predecessors, (30), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 21:55:51,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 44 transitions. [2023-11-06 21:55:51,467 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 44 transitions. Word has length 22 [2023-11-06 21:55:51,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:51,469 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 44 transitions. [2023-11-06 21:55:51,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-06 21:55:51,470 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2023-11-06 21:55:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-06 21:55:51,473 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:51,473 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:51,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 21:55:51,474 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:55:51,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:51,475 INFO L85 PathProgramCache]: Analyzing trace with hash -78557553, now seen corresponding path program 1 times [2023-11-06 21:55:51,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:51,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189702004] [2023-11-06 21:55:51,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:51,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:55:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:55:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:55:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:55:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 21:55:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 21:55:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,744 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 21:55:51,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:51,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189702004] [2023-11-06 21:55:51,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189702004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:51,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:55:51,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:55:51,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312316189] [2023-11-06 21:55:51,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:51,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:51,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:51,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:51,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:55:51,751 INFO L87 Difference]: Start difference. First operand 36 states and 44 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 21:55:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:51,795 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2023-11-06 21:55:51,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:51,796 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), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 40 [2023-11-06 21:55:51,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:51,798 INFO L225 Difference]: With dead ends: 36 [2023-11-06 21:55:51,799 INFO L226 Difference]: Without dead ends: 34 [2023-11-06 21:55:51,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:55:51,808 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 6 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:51,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 67 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:55:51,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-06 21:55:51,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-06 21:55:51,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 23 states have (on average 1.2173913043478262) internal successors, (28), 25 states have internal predecessors, (28), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-06 21:55:51,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2023-11-06 21:55:51,825 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 40 [2023-11-06 21:55:51,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:51,827 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2023-11-06 21:55:51,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 21:55:51,829 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2023-11-06 21:55:51,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-06 21:55:51,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 21:55:51,833 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 21:55:51,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 21:55:51,833 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-06 21:55:51,834 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 21:55:51,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1859683258, now seen corresponding path program 1 times [2023-11-06 21:55:51,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 21:55:51,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257792214] [2023-11-06 21:55:51,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 21:55:51,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 21:55:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-06 21:55:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-06 21:55:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-06 21:55:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-06 21:55:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-06 21:55:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2023-11-06 21:55:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 21:55:51,986 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-06 21:55:51,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 21:55:51,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257792214] [2023-11-06 21:55:51,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257792214] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 21:55:51,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 21:55:51,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 21:55:51,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059663658] [2023-11-06 21:55:51,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 21:55:51,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 21:55:51,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 21:55:51,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 21:55:51,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:55:51,991 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 21:55:52,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 21:55:52,006 INFO L93 Difference]: Finished difference Result 34 states and 42 transitions. [2023-11-06 21:55:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 21:55:52,007 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2023-11-06 21:55:52,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 21:55:52,007 INFO L225 Difference]: With dead ends: 34 [2023-11-06 21:55:52,008 INFO L226 Difference]: Without dead ends: 0 [2023-11-06 21:55:52,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 21:55:52,010 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 2 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 21:55:52,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 69 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 21:55:52,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-06 21:55:52,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-06 21:55:52,013 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) [2023-11-06 21:55:52,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 21:55:52,013 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2023-11-06 21:55:52,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 21:55:52,014 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 21:55:52,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-06 21:55:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-06 21:55:52,014 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-06 21:55:52,017 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-06 21:55:52,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-06 21:55:52,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-06 21:55:52,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-06 21:55:52,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-06 21:55:52,019 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-06 21:55:52,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-06 21:55:52,020 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-06 21:55:52,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 21:55:52,023 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-06 21:55:52,066 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-06 21:55:52,066 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 21:55:52,066 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-06 21:55:52,067 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-06 21:55:52,067 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseFINAL(lines 1518 1521) no Hoare annotation was computed. [2023-11-06 21:55:52,067 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2023-11-06 21:55:52,067 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1518 1521) the Hoare annotation is: true [2023-11-06 21:55:52,068 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-06 21:55:52,068 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 21:55:52,068 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-06 21:55:52,068 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2023-11-06 21:55:52,069 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-06 21:55:52,070 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2023-11-06 21:55:52,070 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1617 1624) the Hoare annotation is: true [2023-11-06 21:55:52,070 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2023-11-06 21:55:52,071 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2023-11-06 21:55:52,071 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2023-11-06 21:55:52,071 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2023-11-06 21:55:52,075 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2023-11-06 21:55:52,076 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-06 21:55:52,076 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-06 21:55:52,076 INFO L899 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2023-11-06 21:55:52,077 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2023-11-06 21:55:52,078 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-06 21:55:52,078 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2023-11-06 21:55:52,078 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1597 1610) no Hoare annotation was computed. [2023-11-06 21:55:52,078 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2023-11-06 21:55:52,083 INFO L899 garLoopResultBuilder]: For program point L1560(line 1560) no Hoare annotation was computed. [2023-11-06 21:55:52,083 INFO L899 garLoopResultBuilder]: For program point L1560-1(lines 1560 1583) no Hoare annotation was computed. [2023-11-06 21:55:52,083 INFO L902 garLoopResultBuilder]: At program point L1622(line 1622) the Hoare annotation is: true [2023-11-06 21:55:52,088 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~1#1| 2)) [2023-11-06 21:55:52,088 INFO L899 garLoopResultBuilder]: For program point L1622-1(line 1622) no Hoare annotation was computed. [2023-11-06 21:55:52,088 INFO L899 garLoopResultBuilder]: For program point L1589-1(line 1589) no Hoare annotation was computed. [2023-11-06 21:55:52,088 INFO L899 garLoopResultBuilder]: For program point L1589-2(lines 1589 1596) no Hoare annotation was computed. [2023-11-06 21:55:52,089 INFO L895 garLoopResultBuilder]: At program point L1589-4(lines 1589 1596) the Hoare annotation is: (= (+ |ULTIMATE.start_goodG2B_~data~1#1| 2) 0) [2023-11-06 21:55:52,089 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1611) no Hoare annotation was computed. [2023-11-06 21:55:52,091 INFO L902 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: true [2023-11-06 21:55:52,091 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2023-11-06 21:55:52,092 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1559) no Hoare annotation was computed. [2023-11-06 21:55:52,092 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648) 0) [2023-11-06 21:55:52,092 INFO L895 garLoopResultBuilder]: At program point L1552-4(lines 1552 1559) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648) 0) [2023-11-06 21:55:52,092 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 1548 1584) no Hoare annotation was computed. [2023-11-06 21:55:52,093 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: false [2023-11-06 21:55:52,093 INFO L899 garLoopResultBuilder]: For program point L1577-1(line 1577) no Hoare annotation was computed. [2023-11-06 21:55:52,093 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1564) no Hoare annotation was computed. [2023-11-06 21:55:52,094 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G_~data~0#1| 2147483648) 0) [2023-11-06 21:55:52,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-06 21:55:52,094 INFO L895 garLoopResultBuilder]: At program point L1565(line 1565) the Hoare annotation is: false [2023-11-06 21:55:52,094 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2023-11-06 21:55:52,095 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2023-11-06 21:55:52,095 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-06 21:55:52,095 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2023-11-06 21:55:52,096 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1582) no Hoare annotation was computed. [2023-11-06 21:55:52,096 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2023-11-06 21:55:52,096 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2023-11-06 21:55:52,097 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1570) no Hoare annotation was computed. [2023-11-06 21:55:52,097 INFO L902 garLoopResultBuilder]: At program point L1620(line 1620) the Hoare annotation is: true [2023-11-06 21:55:52,097 INFO L899 garLoopResultBuilder]: For program point L1620-1(line 1620) no Hoare annotation was computed. [2023-11-06 21:55:52,098 INFO L899 garLoopResultBuilder]: For program point L1612(lines 1612 1616) no Hoare annotation was computed. [2023-11-06 21:55:52,098 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2023-11-06 21:55:52,098 INFO L902 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: true [2023-11-06 21:55:52,099 INFO L899 garLoopResultBuilder]: For program point L1608-1(line 1608) no Hoare annotation was computed. [2023-11-06 21:55:52,104 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-06 21:55:52,107 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 21:55:52,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 09:55:52 BoogieIcfgContainer [2023-11-06 21:55:52,119 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 21:55:52,120 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 21:55:52,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 21:55:52,121 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 21:55:52,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:55:50" (3/4) ... [2023-11-06 21:55:52,126 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 21:55:52,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-06 21:55:52,138 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2023-11-06 21:55:52,139 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-06 21:55:52,149 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-06 21:55:52,150 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-06 21:55:52,150 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 21:55:52,151 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 21:55:52,218 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 21:55:52,218 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 21:55:52,218 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 21:55:52,219 INFO L158 Benchmark]: Toolchain (without parser) took 4166.69ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 66.7MB in the beginning and 85.9MB in the end (delta: -19.2MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2023-11-06 21:55:52,220 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 21:55:52,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1597.47ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 66.4MB in the beginning and 106.8MB in the end (delta: -40.4MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. [2023-11-06 21:55:52,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.16ms. Allocated memory is still 199.2MB. Free memory was 106.8MB in the beginning and 103.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:55:52,221 INFO L158 Benchmark]: Boogie Preprocessor took 40.63ms. Allocated memory is still 199.2MB. Free memory was 103.8MB in the beginning and 102.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 21:55:52,222 INFO L158 Benchmark]: RCFGBuilder took 633.56ms. Allocated memory is still 199.2MB. Free memory was 102.7MB in the beginning and 165.6MB in the end (delta: -62.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-06 21:55:52,222 INFO L158 Benchmark]: TraceAbstraction took 1662.46ms. Allocated memory is still 199.2MB. Free memory was 165.6MB in the beginning and 90.1MB in the end (delta: 75.5MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-11-06 21:55:52,223 INFO L158 Benchmark]: Witness Printer took 98.23ms. Allocated memory is still 199.2MB. Free memory was 90.1MB in the beginning and 85.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 21:55:52,225 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 134.2MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1597.47ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 66.4MB in the beginning and 106.8MB in the end (delta: -40.4MB). Peak memory consumption was 31.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.16ms. Allocated memory is still 199.2MB. Free memory was 106.8MB in the beginning and 103.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.63ms. Allocated memory is still 199.2MB. Free memory was 103.8MB in the beginning and 102.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 633.56ms. Allocated memory is still 199.2MB. Free memory was 102.7MB in the beginning and 165.6MB in the end (delta: -62.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1662.46ms. Allocated memory is still 199.2MB. Free memory was 165.6MB in the beginning and 90.1MB in the end (delta: 75.5MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Witness Printer took 98.23ms. Allocated memory is still 199.2MB. Free memory was 90.1MB in the beginning and 85.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: 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 4 procedures, 62 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 244 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 135 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 30 PreInvPairs, 36 NumberOfFragments, 36 HoareAnnotationTreeSize, 30 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 47/47 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 8 specifications checked. All of them hold - InvariantResult [Line: 1617]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-06 21:55:52,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13fac23e-0b74-473c-96ac-e36438a1c554/bin/uautomizer-verify-WvqO1wxjHP/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