./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya --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 77476f6c902517dd28f80b2f3415b5b9ae888980629881f2e16d01fadb2d24c8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:41:44,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:41:44,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-29 04:41:44,826 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:41:44,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:41:44,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:41:44,852 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:41:44,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:41:44,853 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:41:44,854 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:41:44,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:41:44,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:41:44,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:41:44,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:41:44,857 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:41:44,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:41:44,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:41:44,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 04:41:44,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:41:44,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:41:44,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:41:44,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:41:44,861 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 04:41:44,861 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 04:41:44,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:41:44,862 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:41:44,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:41:44,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:41:44,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:41:44,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:41:44,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:41:44,865 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:41:44,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:41:44,866 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:41:44,866 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 04:41:44,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 04:41:44,867 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:41:44,867 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:41:44,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:41:44,868 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:41:44,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:41:44,869 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_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77476f6c902517dd28f80b2f3415b5b9ae888980629881f2e16d01fadb2d24c8 [2023-11-29 04:41:45,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:41:45,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:41:45,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:41:45,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:41:45,145 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:41:45,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i [2023-11-29 04:41:47,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:41:48,229 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:41:48,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i [2023-11-29 04:41:48,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/data/023a65533/2c524b7b7d854e709d92481d654c8a5b/FLAG631ce2c8e [2023-11-29 04:41:48,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/data/023a65533/2c524b7b7d854e709d92481d654c8a5b [2023-11-29 04:41:48,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:41:48,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:41:48,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:41:48,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:41:48,280 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:41:48,281 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:41:48" (1/1) ... [2023-11-29 04:41:48,282 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce33410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:48, skipping insertion in model container [2023-11-29 04:41:48,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:41:48" (1/1) ... [2023-11-29 04:41:48,348 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:41:49,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:41:49,095 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:41:49,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:41:49,305 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:41:49,305 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:41:49,305 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:41:49,305 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-29 04:41:49,311 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:41:49,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49 WrapperNode [2023-11-29 04:41:49,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:41:49,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:41:49,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:41:49,313 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:41:49,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,376 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 95 [2023-11-29 04:41:49,376 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:41:49,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:41:49,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:41:49,378 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:41:49,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,394 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,412 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2023-11-29 04:41:49,412 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,412 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,419 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,424 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,429 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:41:49,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:41:49,430 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:41:49,430 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:41:49,431 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (1/1) ... [2023-11-29 04:41:49,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:41:49,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:41:49,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:41:49,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:41:49,508 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-29 04:41:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-29 04:41:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-29 04:41:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-29 04:41:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:41:49,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:41:49,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:41:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-29 04:41:49,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 04:41:49,678 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:41:49,681 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:41:49,849 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:41:49,881 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:41:49,881 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-29 04:41:49,881 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:41:49 BoogieIcfgContainer [2023-11-29 04:41:49,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:41:49,884 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:41:49,884 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:41:49,888 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:41:49,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:41:48" (1/3) ... [2023-11-29 04:41:49,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6aabcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:41:49, skipping insertion in model container [2023-11-29 04:41:49,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:41:49" (2/3) ... [2023-11-29 04:41:49,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6aabcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:41:49, skipping insertion in model container [2023-11-29 04:41:49,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:41:49" (3/3) ... [2023-11-29 04:41:49,892 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_multiply_02_good.i [2023-11-29 04:41:49,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:41:49,912 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-29 04:41:49,965 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:41:49,973 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;@2ffbd25b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:41:49,974 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-29 04:41:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.605263157894737) internal successors, (61), 46 states have internal predecessors, (61), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 04:41:49,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-29 04:41:49,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:49,988 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:49,989 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:49,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:49,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1980620567, now seen corresponding path program 1 times [2023-11-29 04:41:50,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:50,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153698651] [2023-11-29 04:41:50,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:50,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:41:50,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:50,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153698651] [2023-11-29 04:41:50,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153698651] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:50,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:50,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:41:50,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654371803] [2023-11-29 04:41:50,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:50,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:50,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:50,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:50,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:50,358 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.605263157894737) internal successors, (61), 46 states have internal predecessors, (61), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-29 04:41:50,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:50,413 INFO L93 Difference]: Finished difference Result 104 states and 143 transitions. [2023-11-29 04:41:50,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:50,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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 12 [2023-11-29 04:41:50,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:50,425 INFO L225 Difference]: With dead ends: 104 [2023-11-29 04:41:50,425 INFO L226 Difference]: Without dead ends: 43 [2023-11-29 04:41:50,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:50,433 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:50,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 98 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:50,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2023-11-29 04:41:50,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2023-11-29 04:41:50,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 30 states have (on average 1.3) internal successors, (39), 35 states have internal predecessors, (39), 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) [2023-11-29 04:41:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2023-11-29 04:41:50,479 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 12 [2023-11-29 04:41:50,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:50,481 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2023-11-29 04:41:50,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 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) [2023-11-29 04:41:50,481 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-29 04:41:50,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-29 04:41:50,483 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:50,483 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:50,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 04:41:50,484 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:50,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:50,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1336205768, now seen corresponding path program 1 times [2023-11-29 04:41:50,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:50,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450402007] [2023-11-29 04:41:50,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:50,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:41:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-29 04:41:50,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:50,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450402007] [2023-11-29 04:41:50,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450402007] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:50,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:50,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:41:50,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640673523] [2023-11-29 04:41:50,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:50,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:50,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:50,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:50,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:50,591 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-29 04:41:50,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:50,613 INFO L93 Difference]: Finished difference Result 61 states and 67 transitions. [2023-11-29 04:41:50,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:50,614 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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 22 [2023-11-29 04:41:50,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:50,615 INFO L225 Difference]: With dead ends: 61 [2023-11-29 04:41:50,616 INFO L226 Difference]: Without dead ends: 37 [2023-11-29 04:41:50,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:50,618 INFO L413 NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:50,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 67 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:50,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2023-11-29 04:41:50,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2023-11-29 04:41:50,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 30 states have internal predecessors, (32), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 04:41:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2023-11-29 04:41:50,627 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 22 [2023-11-29 04:41:50,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:50,628 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2023-11-29 04:41:50,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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) [2023-11-29 04:41:50,628 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2023-11-29 04:41:50,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-29 04:41:50,630 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:50,630 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:50,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 04:41:50,631 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:50,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:50,631 INFO L85 PathProgramCache]: Analyzing trace with hash 19729466, now seen corresponding path program 1 times [2023-11-29 04:41:50,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:50,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803939190] [2023-11-29 04:41:50,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:50,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:41:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:41:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,729 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:41:50,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:50,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803939190] [2023-11-29 04:41:50,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803939190] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:50,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:50,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:50,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981805530] [2023-11-29 04:41:50,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:50,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:50,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:50,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:50,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:50,733 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 04:41:50,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:50,758 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2023-11-29 04:41:50,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:50,759 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2023-11-29 04:41:50,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:50,760 INFO L225 Difference]: With dead ends: 37 [2023-11-29 04:41:50,761 INFO L226 Difference]: Without dead ends: 36 [2023-11-29 04:41:50,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:50,763 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 5 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:50,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 59 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:50,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2023-11-29 04:41:50,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2023-11-29 04:41:50,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 29 states have internal predecessors, (31), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 04:41:50,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2023-11-29 04:41:50,771 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 31 [2023-11-29 04:41:50,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:50,772 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2023-11-29 04:41:50,772 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 04:41:50,773 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2023-11-29 04:41:50,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-29 04:41:50,774 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:50,774 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:41:50,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 04:41:50,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:50,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:50,776 INFO L85 PathProgramCache]: Analyzing trace with hash 611613573, now seen corresponding path program 1 times [2023-11-29 04:41:50,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:50,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992649199] [2023-11-29 04:41:50,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:50,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:41:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:41:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:41:50,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:50,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992649199] [2023-11-29 04:41:50,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992649199] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:50,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:50,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:50,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328852950] [2023-11-29 04:41:50,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:50,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:50,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:50,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:50,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:50,868 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 04:41:50,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:50,889 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2023-11-29 04:41:50,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:50,890 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2023-11-29 04:41:50,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:50,891 INFO L225 Difference]: With dead ends: 43 [2023-11-29 04:41:50,891 INFO L226 Difference]: Without dead ends: 35 [2023-11-29 04:41:50,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:50,893 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 2 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:50,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 59 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:50,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2023-11-29 04:41:50,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2023-11-29 04:41:50,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 27 states have (on average 1.0740740740740742) internal successors, (29), 28 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 04:41:50,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 37 transitions. [2023-11-29 04:41:50,901 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 37 transitions. Word has length 32 [2023-11-29 04:41:50,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:50,902 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 37 transitions. [2023-11-29 04:41:50,902 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 04:41:50,903 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 37 transitions. [2023-11-29 04:41:50,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 04:41:50,904 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:50,904 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1] [2023-11-29 04:41:50,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 04:41:50,905 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:50,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:50,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1277243674, now seen corresponding path program 1 times [2023-11-29 04:41:50,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:50,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475387081] [2023-11-29 04:41:50,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:50,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:41:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:41:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 04:41:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:50,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:41:50,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:50,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475387081] [2023-11-29 04:41:50,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475387081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:50,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:50,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:50,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349063123] [2023-11-29 04:41:50,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:50,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:50,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:50,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:50,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:50,998 INFO L87 Difference]: Start difference. First operand 35 states and 37 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 04:41:51,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:51,014 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2023-11-29 04:41:51,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:51,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2023-11-29 04:41:51,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:51,016 INFO L225 Difference]: With dead ends: 35 [2023-11-29 04:41:51,016 INFO L226 Difference]: Without dead ends: 34 [2023-11-29 04:41:51,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:51,018 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:51,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 60 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:51,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2023-11-29 04:41:51,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2023-11-29 04:41:51,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 27 states have (on average 1.037037037037037) internal successors, (28), 27 states have internal predecessors, (28), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 04:41:51,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 36 transitions. [2023-11-29 04:41:51,025 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 36 transitions. Word has length 40 [2023-11-29 04:41:51,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:51,026 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 36 transitions. [2023-11-29 04:41:51,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 04:41:51,026 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2023-11-29 04:41:51,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 04:41:51,027 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:41:51,027 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1] [2023-11-29 04:41:51,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 04:41:51,028 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-29 04:41:51,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:41:51,029 INFO L85 PathProgramCache]: Analyzing trace with hash 939848381, now seen corresponding path program 1 times [2023-11-29 04:41:51,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 04:41:51,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316595364] [2023-11-29 04:41:51,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:41:51,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 04:41:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:51,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-29 04:41:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-29 04:41:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:51,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-29 04:41:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-29 04:41:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:41:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 04:41:51,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 04:41:51,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316595364] [2023-11-29 04:41:51,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316595364] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:41:51,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:41:51,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:41:51,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348936089] [2023-11-29 04:41:51,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:41:51,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:41:51,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 04:41:51,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:41:51,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:51,095 INFO L87 Difference]: Start difference. First operand 34 states and 36 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 04:41:51,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:41:51,108 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2023-11-29 04:41:51,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:41:51,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2023-11-29 04:41:51,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:41:51,109 INFO L225 Difference]: With dead ends: 34 [2023-11-29 04:41:51,109 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 04:41:51,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:41:51,111 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:41:51,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:41:51,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 04:41:51,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 04:41:51,112 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) [2023-11-29 04:41:51,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 04:41:51,113 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2023-11-29 04:41:51,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:41:51,113 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 04:41:51,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 04:41:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 04:41:51,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 04:41:51,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-29 04:41:51,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-29 04:41:51,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-29 04:41:51,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-29 04:41:51,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-29 04:41:51,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-29 04:41:51,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-29 04:41:51,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-29 04:41:51,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 04:41:51,121 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 04:41:51,151 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-29 04:41:51,151 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 04:41:51,151 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-29 04:41:51,151 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-29 04:41:51,152 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-29 04:41:51,152 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-29 04:41:51,152 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-29 04:41:51,152 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2023-11-29 04:41:51,152 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2023-11-29 04:41:51,153 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1583) no Hoare annotation was computed. [2023-11-29 04:41:51,153 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1577 1599) no Hoare annotation was computed. [2023-11-29 04:41:51,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-29 04:41:51,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-29 04:41:51,153 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2023-11-29 04:41:51,154 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: false [2023-11-29 04:41:51,154 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2023-11-29 04:41:51,154 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-29 04:41:51,154 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-11-29 04:41:51,154 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-29 04:41:51,155 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2023-11-29 04:41:51,155 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2023-11-29 04:41:51,155 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 04:41:51,155 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-29 04:41:51,155 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-29 04:41:51,156 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: false [2023-11-29 04:41:51,156 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-29 04:41:51,156 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-29 04:41:51,156 INFO L899 garLoopResultBuilder]: For program point L1558-1(line 1558) no Hoare annotation was computed. [2023-11-29 04:41:51,156 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2023-11-29 04:41:51,157 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2023-11-29 04:41:51,157 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2023-11-29 04:41:51,157 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2023-11-29 04:41:51,157 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-29 04:41:51,157 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: false [2023-11-29 04:41:51,157 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-11-29 04:41:51,157 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1628) no Hoare annotation was computed. [2023-11-29 04:41:51,157 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1622 1637) no Hoare annotation was computed. [2023-11-29 04:41:51,158 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-11-29 04:41:51,158 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) [2023-11-29 04:41:51,158 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-11-29 04:41:51,158 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2023-11-29 04:41:51,158 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1599) no Hoare annotation was computed. [2023-11-29 04:41:51,158 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2023-11-29 04:41:51,158 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2023-11-29 04:41:51,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-29 04:41:51,159 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1555) no Hoare annotation was computed. [2023-11-29 04:41:51,159 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1575) no Hoare annotation was computed. [2023-11-29 04:41:51,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 04:41:51,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-29 04:41:51,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-29 04:41:51,159 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) [2023-11-29 04:41:51,160 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2023-11-29 04:41:51,160 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2023-11-29 04:41:51,160 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1548 1575) no Hoare annotation was computed. [2023-11-29 04:41:51,160 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-29 04:41:51,160 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1611) no Hoare annotation was computed. [2023-11-29 04:41:51,160 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0) [2023-11-29 04:41:51,160 INFO L899 garLoopResultBuilder]: For program point L1571-1(line 1571) no Hoare annotation was computed. [2023-11-29 04:41:51,161 INFO L899 garLoopResultBuilder]: For program point L1604-2(lines 1601 1620) no Hoare annotation was computed. [2023-11-29 04:41:51,164 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-29 04:41:51,166 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 04:41:51,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 04:41:51 BoogieIcfgContainer [2023-11-29 04:41:51,171 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 04:41:51,171 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 04:41:51,172 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 04:41:51,172 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 04:41:51,172 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:41:49" (3/4) ... [2023-11-29 04:41:51,174 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 04:41:51,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-29 04:41:51,178 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-29 04:41:51,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-29 04:41:51,184 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 04:41:51,185 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-29 04:41:51,185 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 04:41:51,292 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 04:41:51,292 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 04:41:51,292 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 04:41:51,293 INFO L158 Benchmark]: Toolchain (without parser) took 3019.77ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 102.7MB in the beginning and 168.6MB in the end (delta: -65.9MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2023-11-29 04:41:51,293 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:41:51,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1037.10ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 89.5MB in the end (delta: 13.2MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-11-29 04:41:51,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.58ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 86.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:41:51,294 INFO L158 Benchmark]: Boogie Preprocessor took 51.78ms. Allocated memory is still 146.8MB. Free memory was 86.8MB in the beginning and 84.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:41:51,295 INFO L158 Benchmark]: RCFGBuilder took 451.88ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 68.5MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 04:41:51,295 INFO L158 Benchmark]: TraceAbstraction took 1286.39ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 67.9MB in the beginning and 86.4MB in the end (delta: -18.5MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2023-11-29 04:41:51,296 INFO L158 Benchmark]: Witness Printer took 120.98ms. Allocated memory is still 209.7MB. Free memory was 85.4MB in the beginning and 168.6MB in the end (delta: -83.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 04:41:51,298 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 146.8MB. Free memory is still 120.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1037.10ms. Allocated memory is still 146.8MB. Free memory was 102.7MB in the beginning and 89.5MB in the end (delta: 13.2MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.58ms. Allocated memory is still 146.8MB. Free memory was 89.5MB in the beginning and 86.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.78ms. Allocated memory is still 146.8MB. Free memory was 86.8MB in the beginning and 84.5MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.88ms. Allocated memory is still 146.8MB. Free memory was 84.5MB in the beginning and 68.5MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1286.39ms. Allocated memory was 146.8MB in the beginning and 209.7MB in the end (delta: 62.9MB). Free memory was 67.9MB in the beginning and 86.4MB in the end (delta: -18.5MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * Witness Printer took 120.98ms. Allocated memory is still 209.7MB. Free memory was 85.4MB in the beginning and 168.6MB in the end (delta: -83.2MB). 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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, 59 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 13 mSDsluCounter, 403 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 189 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 214 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 27 PreInvPairs, 32 NumberOfFragments, 24 HoareAnnotationTreeSize, 27 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 232 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 52/52 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 RESULT: Ultimate proved your program to be correct! [2023-11-29 04:41:51,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3e582ca-3000-4183-a4c1-9559f81c48aa/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE