./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6c09f999b9ef29b44d810668fe8b02e6bea1b05ac450e8d3a4496f2e3025c469 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:32:40,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:32:40,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-64bit-Automizer_Default.epf [2023-11-12 02:32:40,300 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:32:40,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:32:40,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:32:40,332 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:32:40,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:32:40,334 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:32:40,335 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:32:40,336 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:32:40,336 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:32:40,337 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:32:40,337 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:32:40,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:32:40,338 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:32:40,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:32:40,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:32:40,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:32:40,340 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:32:40,341 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:32:40,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:32:40,342 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:32:40,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:32:40,343 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:32:40,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:32:40,344 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:32:40,344 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:40,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:32:40,345 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:32:40,345 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:32:40,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:32:40,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:32:40,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:32:40,346 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:32:40,347 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:32:40,347 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:32:40,347 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:32:40,347 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_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c09f999b9ef29b44d810668fe8b02e6bea1b05ac450e8d3a4496f2e3025c469 [2023-11-12 02:32:40,670 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:32:40,708 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:32:40,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:32:40,713 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:32:40,714 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:32:40,715 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i [2023-11-12 02:32:43,978 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:32:44,475 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:32:44,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_02_good.i [2023-11-12 02:32:44,515 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/data/9348ada8b/16d2c249d2694aa5996ae0a8d7f5788c/FLAG8ea81a815 [2023-11-12 02:32:44,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/data/9348ada8b/16d2c249d2694aa5996ae0a8d7f5788c [2023-11-12 02:32:44,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:32:44,545 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:32:44,547 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:44,547 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:32:44,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:32:44,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:44" (1/1) ... [2023-11-12 02:32:44,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d12681c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:44, skipping insertion in model container [2023-11-12 02:32:44,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:32:44" (1/1) ... [2023-11-12 02:32:44,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:32:45,110 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:32:45,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:45,845 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:32:45,865 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:32:45,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:32:46,142 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:46,143 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:46,143 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:46,143 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:46,143 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:32:46,151 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:32:46,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46 WrapperNode [2023-11-12 02:32:46,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:32:46,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:46,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:32:46,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:32:46,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,205 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,253 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 184 [2023-11-12 02:32:46,253 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:32:46,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:32:46,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:32:46,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:32:46,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:32:46,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:32:46,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:32:46,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:32:46,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (1/1) ... [2023-11-12 02:32:46,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:32:46,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:32:46,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:32:46,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:32:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 02:32:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 02:32:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 02:32:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 02:32:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:32:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:32:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:32:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 02:32:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:32:46,595 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:32:46,597 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:32:46,974 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:32:46,981 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:32:46,981 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-12 02:32:46,984 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:46 BoogieIcfgContainer [2023-11-12 02:32:46,984 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:32:46,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:32:46,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:32:46,989 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:32:46,990 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:32:44" (1/3) ... [2023-11-12 02:32:46,990 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a94a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:46, skipping insertion in model container [2023-11-12 02:32:46,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:32:46" (2/3) ... [2023-11-12 02:32:46,991 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a94a74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:32:46, skipping insertion in model container [2023-11-12 02:32:46,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:46" (3/3) ... [2023-11-12 02:32:46,992 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_02_good.i [2023-11-12 02:32:47,011 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:32:47,012 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-11-12 02:32:47,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:32:47,083 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;@6a551852, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:32:47,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-12 02:32:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 75 states have (on average 1.6533333333333333) internal successors, (124), 87 states have internal predecessors, (124), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-12 02:32:47,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-12 02:32:47,097 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:47,098 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:47,098 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)] === [2023-11-12 02:32:47,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:47,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1384877830, now seen corresponding path program 1 times [2023-11-12 02:32:47,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:47,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105993418] [2023-11-12 02:32:47,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:47,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:47,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:47,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105993418] [2023-11-12 02:32:47,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105993418] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:47,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:47,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:47,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38957250] [2023-11-12 02:32:47,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:47,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 02:32:47,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:47,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 02:32:47,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:47,417 INFO L87 Difference]: Start difference. First operand has 96 states, 75 states have (on average 1.6533333333333333) internal successors, (124), 87 states have internal predecessors, (124), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:47,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:47,460 INFO L93 Difference]: Finished difference Result 167 states and 246 transitions. [2023-11-12 02:32:47,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 02:32:47,463 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2023-11-12 02:32:47,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:47,472 INFO L225 Difference]: With dead ends: 167 [2023-11-12 02:32:47,472 INFO L226 Difference]: Without dead ends: 85 [2023-11-12 02:32:47,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 02:32:47,479 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:47,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:47,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-12 02:32:47,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-12 02:32:47,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 69 states have (on average 1.565217391304348) internal successors, (108), 78 states have internal predecessors, (108), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-12 02:32:47,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2023-11-12 02:32:47,523 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 13 [2023-11-12 02:32:47,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:47,525 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2023-11-12 02:32:47,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:47,525 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2023-11-12 02:32:47,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 02:32:47,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:47,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:47,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:32:47,528 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:32:47,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:47,529 INFO L85 PathProgramCache]: Analyzing trace with hash -976772283, now seen corresponding path program 1 times [2023-11-12 02:32:47,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:47,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110519288] [2023-11-12 02:32:47,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:47,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:47,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:47,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:47,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:47,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110519288] [2023-11-12 02:32:47,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110519288] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:47,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:47,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:47,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878375567] [2023-11-12 02:32:47,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:47,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:32:47,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:47,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:32:47,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:47,766 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:47,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:47,815 INFO L93 Difference]: Finished difference Result 86 states and 121 transitions. [2023-11-12 02:32:47,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:32:47,816 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2023-11-12 02:32:47,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:47,818 INFO L225 Difference]: With dead ends: 86 [2023-11-12 02:32:47,819 INFO L226 Difference]: Without dead ends: 85 [2023-11-12 02:32:47,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:47,821 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 35 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:47,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 192 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:47,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-12 02:32:47,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 84. [2023-11-12 02:32:47,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 69 states have (on average 1.5507246376811594) internal successors, (107), 77 states have internal predecessors, (107), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-12 02:32:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 119 transitions. [2023-11-12 02:32:47,835 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 119 transitions. Word has length 19 [2023-11-12 02:32:47,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:47,835 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 119 transitions. [2023-11-12 02:32:47,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 119 transitions. [2023-11-12 02:32:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 02:32:47,837 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:47,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:47,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:32:47,838 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:32:47,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:47,839 INFO L85 PathProgramCache]: Analyzing trace with hash -215169560, now seen corresponding path program 1 times [2023-11-12 02:32:47,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:47,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280513966] [2023-11-12 02:32:47,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:47,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:47,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:47,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:47,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:47,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:47,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280513966] [2023-11-12 02:32:47,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280513966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:47,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:47,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:47,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506181747] [2023-11-12 02:32:47,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:47,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:32:47,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:47,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:32:47,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:47,995 INFO L87 Difference]: Start difference. First operand 84 states and 119 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:48,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:48,022 INFO L93 Difference]: Finished difference Result 85 states and 120 transitions. [2023-11-12 02:32:48,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:32:48,023 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20 [2023-11-12 02:32:48,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:48,025 INFO L225 Difference]: With dead ends: 85 [2023-11-12 02:32:48,025 INFO L226 Difference]: Without dead ends: 84 [2023-11-12 02:32:48,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,027 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 3 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:48,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 221 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:48,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-12 02:32:48,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2023-11-12 02:32:48,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 69 states have (on average 1.536231884057971) internal successors, (106), 76 states have internal predecessors, (106), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-12 02:32:48,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 118 transitions. [2023-11-12 02:32:48,042 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 118 transitions. Word has length 20 [2023-11-12 02:32:48,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:48,042 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 118 transitions. [2023-11-12 02:32:48,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2023-11-12 02:32:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 02:32:48,045 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:48,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:48,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:32:48,046 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:32:48,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:48,046 INFO L85 PathProgramCache]: Analyzing trace with hash 2053160050, now seen corresponding path program 1 times [2023-11-12 02:32:48,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:48,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475336646] [2023-11-12 02:32:48,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:48,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:48,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:48,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475336646] [2023-11-12 02:32:48,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475336646] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:48,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:48,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:48,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680301267] [2023-11-12 02:32:48,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:48,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:32:48,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:48,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:32:48,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,148 INFO L87 Difference]: Start difference. First operand 83 states and 118 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:48,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:48,185 INFO L93 Difference]: Finished difference Result 84 states and 119 transitions. [2023-11-12 02:32:48,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:32:48,186 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2023-11-12 02:32:48,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:48,188 INFO L225 Difference]: With dead ends: 84 [2023-11-12 02:32:48,188 INFO L226 Difference]: Without dead ends: 83 [2023-11-12 02:32:48,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,190 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 35 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:48,191 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 188 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:48,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-12 02:32:48,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 82. [2023-11-12 02:32:48,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 69 states have (on average 1.5217391304347827) internal successors, (105), 75 states have internal predecessors, (105), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-12 02:32:48,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 117 transitions. [2023-11-12 02:32:48,202 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 117 transitions. Word has length 28 [2023-11-12 02:32:48,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:48,203 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 117 transitions. [2023-11-12 02:32:48,203 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2023-11-12 02:32:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 02:32:48,205 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:48,206 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:48,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:32:48,206 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:32:48,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:48,207 INFO L85 PathProgramCache]: Analyzing trace with hash -776547646, now seen corresponding path program 1 times [2023-11-12 02:32:48,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:48,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578933759] [2023-11-12 02:32:48,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:48,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:48,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:48,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:48,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578933759] [2023-11-12 02:32:48,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578933759] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:48,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:48,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:48,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325474024] [2023-11-12 02:32:48,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:48,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:32:48,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:48,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:32:48,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,316 INFO L87 Difference]: Start difference. First operand 82 states and 117 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:48,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:48,356 INFO L93 Difference]: Finished difference Result 83 states and 118 transitions. [2023-11-12 02:32:48,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:32:48,356 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, (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 29 [2023-11-12 02:32:48,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:48,361 INFO L225 Difference]: With dead ends: 83 [2023-11-12 02:32:48,361 INFO L226 Difference]: Without dead ends: 82 [2023-11-12 02:32:48,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,369 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 3 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:48,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 217 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:48,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-12 02:32:48,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2023-11-12 02:32:48,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 69 states have (on average 1.5072463768115942) internal successors, (104), 74 states have internal predecessors, (104), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-12 02:32:48,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 116 transitions. [2023-11-12 02:32:48,390 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 116 transitions. Word has length 29 [2023-11-12 02:32:48,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:48,390 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 116 transitions. [2023-11-12 02:32:48,391 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:48,391 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 116 transitions. [2023-11-12 02:32:48,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-12 02:32:48,398 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:48,398 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:48,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:32:48,398 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:32:48,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:48,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1711207239, now seen corresponding path program 1 times [2023-11-12 02:32:48,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:48,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405209856] [2023-11-12 02:32:48,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:48,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:48,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:48,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405209856] [2023-11-12 02:32:48,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405209856] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:48,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:48,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:48,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987436342] [2023-11-12 02:32:48,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:48,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:32:48,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:48,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:32:48,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,527 INFO L87 Difference]: Start difference. First operand 81 states and 116 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:48,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:48,555 INFO L93 Difference]: Finished difference Result 81 states and 116 transitions. [2023-11-12 02:32:48,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:32:48,556 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2023-11-12 02:32:48,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:48,558 INFO L225 Difference]: With dead ends: 81 [2023-11-12 02:32:48,558 INFO L226 Difference]: Without dead ends: 80 [2023-11-12 02:32:48,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,562 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 5 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:48,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 215 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:48,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-12 02:32:48,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2023-11-12 02:32:48,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 69 states have (on average 1.4927536231884058) internal successors, (103), 73 states have internal predecessors, (103), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-12 02:32:48,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 115 transitions. [2023-11-12 02:32:48,570 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 115 transitions. Word has length 30 [2023-11-12 02:32:48,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:48,571 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 115 transitions. [2023-11-12 02:32:48,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 115 transitions. [2023-11-12 02:32:48,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-12 02:32:48,573 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:48,573 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:48,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:32:48,573 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:32:48,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:48,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1507817130, now seen corresponding path program 1 times [2023-11-12 02:32:48,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:48,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386427775] [2023-11-12 02:32:48,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:48,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:48,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:48,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386427775] [2023-11-12 02:32:48,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386427775] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:48,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:48,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:48,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573288694] [2023-11-12 02:32:48,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:48,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:32:48,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:48,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:32:48,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,637 INFO L87 Difference]: Start difference. First operand 80 states and 115 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:48,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:48,651 INFO L93 Difference]: Finished difference Result 87 states and 121 transitions. [2023-11-12 02:32:48,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:32:48,652 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 31 [2023-11-12 02:32:48,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:48,653 INFO L225 Difference]: With dead ends: 87 [2023-11-12 02:32:48,653 INFO L226 Difference]: Without dead ends: 79 [2023-11-12 02:32:48,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,655 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 2 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:48,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 215 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:48,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-12 02:32:48,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-12 02:32:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 69 states have (on average 1.463768115942029) internal successors, (101), 72 states have internal predecessors, (101), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-12 02:32:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 113 transitions. [2023-11-12 02:32:48,663 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 113 transitions. Word has length 31 [2023-11-12 02:32:48,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:48,664 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 113 transitions. [2023-11-12 02:32:48,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-12 02:32:48,664 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2023-11-12 02:32:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-12 02:32:48,666 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:48,666 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:48,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:32:48,667 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:32:48,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:48,667 INFO L85 PathProgramCache]: Analyzing trace with hash 388659438, now seen corresponding path program 1 times [2023-11-12 02:32:48,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:48,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37019653] [2023-11-12 02:32:48,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:48,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-12 02:32:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:48,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:48,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37019653] [2023-11-12 02:32:48,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37019653] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:48,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:48,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:48,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862021661] [2023-11-12 02:32:48,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:48,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:32:48,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:48,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:32:48,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,746 INFO L87 Difference]: Start difference. First operand 79 states and 113 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:32:48,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:48,756 INFO L93 Difference]: Finished difference Result 79 states and 113 transitions. [2023-11-12 02:32:48,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:32:48,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 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 40 [2023-11-12 02:32:48,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:48,758 INFO L225 Difference]: With dead ends: 79 [2023-11-12 02:32:48,759 INFO L226 Difference]: Without dead ends: 78 [2023-11-12 02:32:48,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,760 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 2 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:48,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 216 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:48,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-11-12 02:32:48,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-11-12 02:32:48,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 71 states have internal predecessors, (100), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-12 02:32:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 112 transitions. [2023-11-12 02:32:48,768 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 112 transitions. Word has length 40 [2023-11-12 02:32:48,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:48,768 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 112 transitions. [2023-11-12 02:32:48,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:32:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2023-11-12 02:32:48,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-12 02:32:48,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 02:32:48,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:48,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:32:48,771 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2023-11-12 02:32:48,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:32:48,772 INFO L85 PathProgramCache]: Analyzing trace with hash -836459013, now seen corresponding path program 1 times [2023-11-12 02:32:48,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:32:48,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710986128] [2023-11-12 02:32:48,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:32:48,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:32:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-12 02:32:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-11-12 02:32:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:32:48,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:32:48,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:32:48,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710986128] [2023-11-12 02:32:48,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710986128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:32:48,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:32:48,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 02:32:48,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321495751] [2023-11-12 02:32:48,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:32:48,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 02:32:48,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:32:48,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 02:32:48,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,852 INFO L87 Difference]: Start difference. First operand 78 states and 112 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:32:48,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:32:48,861 INFO L93 Difference]: Finished difference Result 78 states and 112 transitions. [2023-11-12 02:32:48,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 02:32:48,862 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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 41 [2023-11-12 02:32:48,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 02:32:48,863 INFO L225 Difference]: With dead ends: 78 [2023-11-12 02:32:48,863 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 02:32:48,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 02:32:48,865 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-12 02:32:48,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 02:32:48,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 02:32:48,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 02:32:48,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:32:48,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 02:32:48,867 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2023-11-12 02:32:48,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 02:32:48,867 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:32:48,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-12 02:32:48,868 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:32:48,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 02:32:48,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2023-11-12 02:32:48,871 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2023-11-12 02:32:48,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-11-12 02:32:48,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-11-12 02:32:48,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-11-12 02:32:48,872 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-11-12 02:32:48,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-11-12 02:32:48,873 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-11-12 02:32:48,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:32:48,876 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-12 02:32:48,918 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2023-11-12 02:32:48,918 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2023-11-12 02:32:48,918 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2023-11-12 02:32:48,919 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2023-11-12 02:32:48,919 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2023-11-12 02:32:48,919 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2023-11-12 02:32:48,919 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2023-11-12 02:32:48,919 INFO L899 garLoopResultBuilder]: For program point L1554-18(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,920 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-12 02:32:48,920 INFO L899 garLoopResultBuilder]: For program point L1554-20(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,920 INFO L899 garLoopResultBuilder]: For program point L1554-22(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,920 INFO L899 garLoopResultBuilder]: For program point L1554-23(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,920 INFO L899 garLoopResultBuilder]: For program point L1554-25(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,921 INFO L899 garLoopResultBuilder]: For program point L1554-27(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,921 INFO L899 garLoopResultBuilder]: For program point L1554-29(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,921 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1637) no Hoare annotation was computed. [2023-11-12 02:32:48,921 INFO L899 garLoopResultBuilder]: For program point L1554-30(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,921 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2023-11-12 02:32:48,921 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2023-11-12 02:32:48,922 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: false [2023-11-12 02:32:48,922 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2023-11-12 02:32:48,922 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2023-11-12 02:32:48,922 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1073741823)) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0)) [2023-11-12 02:32:48,922 INFO L895 garLoopResultBuilder]: At program point L1558(line 1558) the Hoare annotation is: false [2023-11-12 02:32:48,923 INFO L899 garLoopResultBuilder]: For program point L1591-1(line 1591) no Hoare annotation was computed. [2023-11-12 02:32:48,923 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1628) no Hoare annotation was computed. [2023-11-12 02:32:48,923 INFO L899 garLoopResultBuilder]: For program point L1625-2(lines 1622 1637) no Hoare annotation was computed. [2023-11-12 02:32:48,923 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1599) no Hoare annotation was computed. [2023-11-12 02:32:48,923 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-12 02:32:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2023-11-12 02:32:48,924 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 1) 0) [2023-11-12 02:32:48,924 INFO L899 garLoopResultBuilder]: For program point L1562(lines 1562 1573) no Hoare annotation was computed. [2023-11-12 02:32:48,924 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1548 1575) no Hoare annotation was computed. [2023-11-12 02:32:48,924 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-12 02:32:48,925 INFO L899 garLoopResultBuilder]: For program point L1580(lines 1580 1583) no Hoare annotation was computed. [2023-11-12 02:32:48,925 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1577 1599) no Hoare annotation was computed. [2023-11-12 02:32:48,925 INFO L899 garLoopResultBuilder]: For program point main_returnLabel#1(lines 1645 1652) no Hoare annotation was computed. [2023-11-12 02:32:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2023-11-12 02:32:48,925 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-12 02:32:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-11-12 02:32:48,926 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1572) no Hoare annotation was computed. [2023-11-12 02:32:48,926 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2023-11-12 02:32:48,926 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2023-11-12 02:32:48,926 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2023-11-12 02:32:48,927 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,927 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,927 INFO L899 garLoopResultBuilder]: For program point L1582-3(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,927 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-12 02:32:48,927 INFO L899 garLoopResultBuilder]: For program point L1582-5(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,928 INFO L899 garLoopResultBuilder]: For program point L1582-7(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,928 INFO L899 garLoopResultBuilder]: For program point L1582-8(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,928 INFO L899 garLoopResultBuilder]: For program point L1582-10(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,928 INFO L899 garLoopResultBuilder]: For program point L1582-12(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,928 INFO L899 garLoopResultBuilder]: For program point L1582-14(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,928 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2023-11-12 02:32:48,929 INFO L899 garLoopResultBuilder]: For program point L1582-16(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,929 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2023-11-12 02:32:48,929 INFO L899 garLoopResultBuilder]: For program point L1582-18(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,929 INFO L899 garLoopResultBuilder]: For program point L1582-20(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,929 INFO L899 garLoopResultBuilder]: For program point L1582-22(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,930 INFO L899 garLoopResultBuilder]: For program point L1582-23(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,930 INFO L899 garLoopResultBuilder]: For program point L1582-25(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,930 INFO L899 garLoopResultBuilder]: For program point L1582-27(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,930 INFO L899 garLoopResultBuilder]: For program point L1582-29(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,930 INFO L899 garLoopResultBuilder]: For program point L1582-30(line 1582) no Hoare annotation was computed. [2023-11-12 02:32:48,930 INFO L899 garLoopResultBuilder]: For program point L1616(line 1616) no Hoare annotation was computed. [2023-11-12 02:32:48,931 INFO L899 garLoopResultBuilder]: For program point L1616-1(line 1616) no Hoare annotation was computed. [2023-11-12 02:32:48,931 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2023-11-12 02:32:48,931 INFO L899 garLoopResultBuilder]: For program point L1600(lines 1600 1620) no Hoare annotation was computed. [2023-11-12 02:32:48,931 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2023-11-12 02:32:48,931 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (<= 0 (+ 1073741823 |ULTIMATE.start_goodB2G1_~data~0#1|)) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0)) [2023-11-12 02:32:48,932 INFO L899 garLoopResultBuilder]: For program point L1567-1(line 1567) no Hoare annotation was computed. [2023-11-12 02:32:48,932 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2023-11-12 02:32:48,932 INFO L895 garLoopResultBuilder]: At program point L1617(line 1617) the Hoare annotation is: (= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) [2023-11-12 02:32:48,932 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2023-11-12 02:32:48,932 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2023-11-12 02:32:48,933 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2023-11-12 02:32:48,933 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2023-11-12 02:32:48,933 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2023-11-12 02:32:48,933 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-12 02:32:48,933 INFO L899 garLoopResultBuilder]: For program point L1552(lines 1552 1555) no Hoare annotation was computed. [2023-11-12 02:32:48,933 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1549 1575) no Hoare annotation was computed. [2023-11-12 02:32:48,934 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1616) no Hoare annotation was computed. [2023-11-12 02:32:48,934 INFO L899 garLoopResultBuilder]: For program point L1554(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,934 INFO L899 garLoopResultBuilder]: For program point L1554-1(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,934 INFO L899 garLoopResultBuilder]: For program point L1554-3(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,934 INFO L899 garLoopResultBuilder]: For program point L1554-5(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,935 INFO L899 garLoopResultBuilder]: For program point L1554-7(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,935 INFO L899 garLoopResultBuilder]: For program point L1554-8(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,935 INFO L899 garLoopResultBuilder]: For program point L1554-10(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,935 INFO L899 garLoopResultBuilder]: For program point L1554-12(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,935 INFO L899 garLoopResultBuilder]: For program point L1554-14(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,935 INFO L899 garLoopResultBuilder]: For program point L1604(lines 1604 1611) no Hoare annotation was computed. [2023-11-12 02:32:48,936 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 1) 0) [2023-11-12 02:32:48,936 INFO L899 garLoopResultBuilder]: For program point L1604-1(lines 1601 1620) no Hoare annotation was computed. [2023-11-12 02:32:48,936 INFO L899 garLoopResultBuilder]: For program point L1554-16(line 1554) no Hoare annotation was computed. [2023-11-12 02:32:48,939 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:32:48,942 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 02:32:48,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 02:32:48 BoogieIcfgContainer [2023-11-12 02:32:48,948 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 02:32:48,948 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:32:48,949 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:32:48,949 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:32:48,949 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:32:46" (3/4) ... [2023-11-12 02:32:48,951 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 02:32:48,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 02:32:48,957 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 02:32:48,965 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-12 02:32:48,966 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-12 02:32:48,967 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 02:32:48,968 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 02:32:49,063 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:32:49,063 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/witness.yml [2023-11-12 02:32:49,064 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:32:49,064 INFO L158 Benchmark]: Toolchain (without parser) took 4519.34ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 101.1MB in the beginning and 89.3MB in the end (delta: 11.7MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2023-11-12 02:32:49,065 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:32:49,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1605.93ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 78.2MB in the end (delta: 22.8MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. [2023-11-12 02:32:49,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.86ms. Allocated memory is still 136.3MB. Free memory was 78.2MB in the beginning and 74.2MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 02:32:49,066 INFO L158 Benchmark]: Boogie Preprocessor took 53.60ms. Allocated memory is still 136.3MB. Free memory was 74.2MB in the beginning and 72.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:32:49,066 INFO L158 Benchmark]: RCFGBuilder took 675.37ms. Allocated memory is still 136.3MB. Free memory was 72.1MB in the beginning and 97.5MB in the end (delta: -25.3MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-12 02:32:49,067 INFO L158 Benchmark]: TraceAbstraction took 1961.73ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 96.9MB in the beginning and 96.7MB in the end (delta: 179.8kB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-11-12 02:32:49,067 INFO L158 Benchmark]: Witness Printer took 115.47ms. Allocated memory is still 169.9MB. Free memory was 96.7MB in the beginning and 89.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 02:32:49,069 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 100.7MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1605.93ms. Allocated memory is still 136.3MB. Free memory was 101.1MB in the beginning and 78.2MB in the end (delta: 22.8MB). Peak memory consumption was 48.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.86ms. Allocated memory is still 136.3MB. Free memory was 78.2MB in the beginning and 74.2MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.60ms. Allocated memory is still 136.3MB. Free memory was 74.2MB in the beginning and 72.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 675.37ms. Allocated memory is still 136.3MB. Free memory was 72.1MB in the beginning and 97.5MB in the end (delta: -25.3MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1961.73ms. Allocated memory was 136.3MB in the beginning and 169.9MB in the end (delta: 33.6MB). Free memory was 96.9MB in the beginning and 96.7MB in the end (delta: 179.8kB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Witness Printer took 115.47ms. Allocated memory is still 169.9MB. Free memory was 96.7MB in the beginning and 89.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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, 96 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 1812 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 784 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 1028 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=96occurred in iteration=0, InterpolantAutomatonStates: 26, 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, 9 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 27 PreInvPairs, 34 NumberOfFragments, 44 HoareAnnotationTreeSize, 27 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 242 ConstructedInterpolants, 0 QuantifiedInterpolants, 314 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 02:32:49,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b56365a-0884-4dc5-9f3a-a4153cffdf33/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE