/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 20:36:15,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 20:36:15,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 20:36:15,160 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 20:36:15,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 20:36:15,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 20:36:15,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 20:36:15,177 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 20:36:15,183 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 20:36:15,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 20:36:15,194 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 20:36:15,196 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 20:36:15,197 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 20:36:15,200 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 20:36:15,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 20:36:15,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 20:36:15,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 20:36:15,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 20:36:15,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 20:36:15,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 20:36:15,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 20:36:15,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 20:36:15,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 20:36:15,228 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 20:36:15,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 20:36:15,236 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 20:36:15,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 20:36:15,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 20:36:15,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 20:36:15,247 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 20:36:15,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 20:36:15,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 20:36:15,250 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 20:36:15,252 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 20:36:15,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 20:36:15,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 20:36:15,254 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 20:36:15,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 20:36:15,255 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 20:36:15,256 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 20:36:15,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 20:36:15,258 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 20:36:15,318 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 20:36:15,319 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 20:36:15,319 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 20:36:15,320 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 20:36:15,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 20:36:15,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 20:36:15,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 20:36:15,326 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 20:36:15,326 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 20:36:15,326 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 20:36:15,327 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 20:36:15,328 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 20:36:15,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 20:36:15,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 20:36:15,328 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 20:36:15,328 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 20:36:15,329 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 20:36:15,329 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 20:36:15,329 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 20:36:15,329 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 20:36:15,329 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 20:36:15,330 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 20:36:15,330 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 20:36:15,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 20:36:15,330 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 20:36:15,331 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 20:36:15,331 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:36:15,331 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 20:36:15,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 20:36:15,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 20:36:15,332 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 20:36:15,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 20:36:15,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 20:36:15,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 20:36:15,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 20:36:15,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 20:36:15,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 20:36:15,855 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 20:36:15,855 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 20:36:15,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2022-10-15 20:36:15,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20171e3dd/4b3db6e87f084b20bc12bd369c99ea18/FLAG0004b0ac2 [2022-10-15 20:36:17,260 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 20:36:17,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i [2022-10-15 20:36:17,340 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20171e3dd/4b3db6e87f084b20bc12bd369c99ea18/FLAG0004b0ac2 [2022-10-15 20:36:17,509 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20171e3dd/4b3db6e87f084b20bc12bd369c99ea18 [2022-10-15 20:36:17,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 20:36:17,521 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 20:36:17,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 20:36:17,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 20:36:17,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 20:36:17,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:36:17" (1/1) ... [2022-10-15 20:36:17,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb4bc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:17, skipping insertion in model container [2022-10-15 20:36:17,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:36:17" (1/1) ... [2022-10-15 20:36:17,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 20:36:17,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 20:36:18,209 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2022-10-15 20:36:18,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2022-10-15 20:36:19,595 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:19,596 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:19,597 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:19,598 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:19,600 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:19,621 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:19,622 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:19,626 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:19,627 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:20,308 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-15 20:36:20,311 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-15 20:36:20,314 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-15 20:36:20,320 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-15 20:36:20,328 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-15 20:36:20,333 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-15 20:36:20,334 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-15 20:36:20,336 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-15 20:36:20,339 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-15 20:36:20,341 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-15 20:36:20,589 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-15 20:36:20,733 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:20,734 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:20,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:36:21,027 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 20:36:21,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4497,4510] [2022-10-15 20:36:21,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_ring_buffer_acquire_harness.i[4557,4570] [2022-10-15 20:36:21,096 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,096 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,097 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,098 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,099 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,108 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,109 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,110 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,111 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,178 WARN L611 FunctionHandler]: implicit declaration of function __atomic_load_n [2022-10-15 20:36:21,180 WARN L611 FunctionHandler]: implicit declaration of function __atomic_store_n [2022-10-15 20:36:21,181 WARN L611 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2022-10-15 20:36:21,192 WARN L611 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2022-10-15 20:36:21,195 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2022-10-15 20:36:21,197 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2022-10-15 20:36:21,198 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2022-10-15 20:36:21,199 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2022-10-15 20:36:21,201 WARN L611 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2022-10-15 20:36:21,202 WARN L611 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2022-10-15 20:36:21,258 WARN L611 FunctionHandler]: implicit declaration of function __builtin_va_copy [2022-10-15 20:36:21,388 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,389 WARN L1550 CHandler]: Possible shadowing of function index [2022-10-15 20:36:21,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:36:21,923 INFO L208 MainTranslator]: Completed translation [2022-10-15 20:36:21,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21 WrapperNode [2022-10-15 20:36:21,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 20:36:21,925 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 20:36:21,925 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 20:36:21,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 20:36:21,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,239 INFO L138 Inliner]: procedures = 695, calls = 2936, calls flagged for inlining = 62, calls inlined = 12, statements flattened = 1181 [2022-10-15 20:36:22,239 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 20:36:22,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 20:36:22,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 20:36:22,241 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 20:36:22,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,358 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 20:36:22,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 20:36:22,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 20:36:22,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 20:36:22,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (1/1) ... [2022-10-15 20:36:22,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:36:22,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:22,453 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-15 20:36:22,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 20:36:22,523 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2022-10-15 20:36:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2022-10-15 20:36:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_store_n [2022-10-15 20:36:22,524 INFO L130 BoogieDeclarations]: Found specification of procedure __atomic_load_n [2022-10-15 20:36:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 20:36:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2022-10-15 20:36:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2022-10-15 20:36:22,526 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr [2022-10-15 20:36:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr [2022-10-15 20:36:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 20:36:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2022-10-15 20:36:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2022-10-15 20:36:22,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-10-15 20:36:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-10-15 20:36:22,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 20:36:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 20:36:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 20:36:22,529 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_priv_xlate_order [2022-10-15 20:36:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_priv_xlate_order [2022-10-15 20:36:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 20:36:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 20:36:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2022-10-15 20:36:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2022-10-15 20:36:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr [2022-10-15 20:36:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr [2022-10-15 20:36:22,532 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 20:36:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 20:36:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_from_empty_array [2022-10-15 20:36:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_from_empty_array [2022-10-15 20:36:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 20:36:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 20:36:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 20:36:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_check_atomic_ptr [2022-10-15 20:36:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_check_atomic_ptr [2022-10-15 20:36:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure is_front_valid_state [2022-10-15 20:36:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure is_front_valid_state [2022-10-15 20:36:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2022-10-15 20:36:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2022-10-15 20:36:22,535 INFO L130 BoogieDeclarations]: Found specification of procedure is_ends_valid_state [2022-10-15 20:36:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ends_valid_state [2022-10-15 20:36:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure s_buf_belongs_to_pool [2022-10-15 20:36:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure s_buf_belongs_to_pool [2022-10-15 20:36:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2022-10-15 20:36:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2022-10-15 20:36:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 20:36:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_store_ptr_explicit [2022-10-15 20:36:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_store_ptr_explicit [2022-10-15 20:36:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ring_buffer_is_valid [2022-10-15 20:36:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ring_buffer_is_valid [2022-10-15 20:36:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure is_middle_valid_state [2022-10-15 20:36:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure is_middle_valid_state [2022-10-15 20:36:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure aws_atomic_load_ptr_explicit [2022-10-15 20:36:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_atomic_load_ptr_explicit [2022-10-15 20:36:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 20:36:23,013 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 20:36:23,016 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 20:36:25,479 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 20:36:25,501 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 20:36:25,501 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-15 20:36:25,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:36:25 BoogieIcfgContainer [2022-10-15 20:36:25,506 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 20:36:25,509 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 20:36:25,510 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 20:36:25,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 20:36:25,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:36:17" (1/3) ... [2022-10-15 20:36:25,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c3290f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:36:25, skipping insertion in model container [2022-10-15 20:36:25,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:36:21" (2/3) ... [2022-10-15 20:36:25,516 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c3290f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:36:25, skipping insertion in model container [2022-10-15 20:36:25,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:36:25" (3/3) ... [2022-10-15 20:36:25,519 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_ring_buffer_acquire_harness.i [2022-10-15 20:36:25,544 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 20:36:25,544 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-10-15 20:36:25,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 20:36:25,650 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=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4ce0e9a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 20:36:25,650 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-10-15 20:36:25,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 393 states, 228 states have (on average 1.2105263157894737) internal successors, (276), 231 states have internal predecessors, (276), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) [2022-10-15 20:36:25,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-10-15 20:36:25,685 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:25,687 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:25,688 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:25,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:25,695 INFO L85 PathProgramCache]: Analyzing trace with hash -619621544, now seen corresponding path program 1 times [2022-10-15 20:36:25,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:25,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126977655] [2022-10-15 20:36:25,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:25,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:26,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:26,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:26,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:26,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 20:36:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 20:36:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 20:36:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-15 20:36:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-15 20:36:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-15 20:36:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 20:36:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-15 20:36:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-15 20:36:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-10-15 20:36:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-15 20:36:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-15 20:36:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-15 20:36:27,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-15 20:36:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-15 20:36:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-10-15 20:36:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-10-15 20:36:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:27,788 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-10-15 20:36:27,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:27,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126977655] [2022-10-15 20:36:27,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126977655] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:27,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:36:27,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 20:36:27,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765566557] [2022-10-15 20:36:27,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:27,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 20:36:27,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:27,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 20:36:27,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 20:36:27,870 INFO L87 Difference]: Start difference. First operand has 393 states, 228 states have (on average 1.2105263157894737) internal successors, (276), 231 states have internal predecessors, (276), 142 states have call successors, (142), 20 states have call predecessors, (142), 20 states have return successors, (142), 142 states have call predecessors, (142), 142 states have call successors, (142) Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-10-15 20:36:28,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:28,910 INFO L93 Difference]: Finished difference Result 780 states and 1224 transitions. [2022-10-15 20:36:28,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 20:36:28,913 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 287 [2022-10-15 20:36:28,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:28,927 INFO L225 Difference]: With dead ends: 780 [2022-10-15 20:36:28,928 INFO L226 Difference]: Without dead ends: 149 [2022-10-15 20:36:28,941 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 20:36:28,946 INFO L413 NwaCegarLoop]: 536 mSDtfsCounter, 114 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 141 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 141 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:28,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 691 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [141 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-15 20:36:28,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-10-15 20:36:29,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2022-10-15 20:36:29,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 99 states have (on average 1.1919191919191918) internal successors, (118), 100 states have internal predecessors, (118), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-10-15 20:36:29,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 186 transitions. [2022-10-15 20:36:29,024 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 186 transitions. Word has length 287 [2022-10-15 20:36:29,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:29,026 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 186 transitions. [2022-10-15 20:36:29,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 2 states have internal predecessors, (76), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-10-15 20:36:29,027 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 186 transitions. [2022-10-15 20:36:29,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-10-15 20:36:29,079 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:29,080 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:29,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 20:36:29,081 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:29,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:29,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1507527266, now seen corresponding path program 1 times [2022-10-15 20:36:29,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:29,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678628080] [2022-10-15 20:36:29,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:29,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:29,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:30,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:30,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 20:36:30,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 20:36:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 20:36:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-15 20:36:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-15 20:36:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-15 20:36:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 20:36:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-15 20:36:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-15 20:36:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-10-15 20:36:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-15 20:36:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-15 20:36:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-15 20:36:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-15 20:36:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-10-15 20:36:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:31,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-15 20:36:31,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-10-15 20:36:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2022-10-15 20:36:31,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:31,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678628080] [2022-10-15 20:36:31,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678628080] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:36:31,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597077982] [2022-10-15 20:36:31,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:31,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:31,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:31,223 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 20:36:31,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 20:36:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:32,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 3368 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 20:36:32,260 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:36:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-10-15 20:36:32,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:36:32,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597077982] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:32,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:36:32,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 6 [2022-10-15 20:36:32,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409861239] [2022-10-15 20:36:32,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:32,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:36:32,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:32,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:36:32,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 20:36:32,433 INFO L87 Difference]: Start difference. First operand 149 states and 186 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-10-15 20:36:32,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:32,480 INFO L93 Difference]: Finished difference Result 271 states and 340 transitions. [2022-10-15 20:36:32,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 20:36:32,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 288 [2022-10-15 20:36:32,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:32,492 INFO L225 Difference]: With dead ends: 271 [2022-10-15 20:36:32,493 INFO L226 Difference]: Without dead ends: 153 [2022-10-15 20:36:32,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 390 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-10-15 20:36:32,503 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 3 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:32,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 545 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 20:36:32,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2022-10-15 20:36:32,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2022-10-15 20:36:32,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 101 states have (on average 1.188118811881188) internal successors, (120), 102 states have internal predecessors, (120), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-10-15 20:36:32,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 188 transitions. [2022-10-15 20:36:32,553 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 188 transitions. Word has length 288 [2022-10-15 20:36:32,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:32,555 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 188 transitions. [2022-10-15 20:36:32,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2022-10-15 20:36:32,556 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 188 transitions. [2022-10-15 20:36:32,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-10-15 20:36:32,563 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:32,563 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:32,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 20:36:32,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:32,780 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:32,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:32,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1391438370, now seen corresponding path program 1 times [2022-10-15 20:36:32,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:32,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742500354] [2022-10-15 20:36:32,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:32,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 20:36:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:33,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 20:36:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-10-15 20:36:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-15 20:36:34,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-15 20:36:34,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-15 20:36:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 20:36:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-15 20:36:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2022-10-15 20:36:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-10-15 20:36:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-15 20:36:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-10-15 20:36:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-15 20:36:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-15 20:36:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-10-15 20:36:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-15 20:36:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-10-15 20:36:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:34,615 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2022-10-15 20:36:34,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:34,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742500354] [2022-10-15 20:36:34,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742500354] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:36:34,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775637845] [2022-10-15 20:36:34,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:34,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:34,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:34,620 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 20:36:34,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 20:36:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:35,369 INFO L263 TraceCheckSpWp]: Trace formula consists of 3358 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 20:36:35,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:36:35,570 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-10-15 20:36:35,570 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:36:35,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775637845] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:35,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:36:35,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-10-15 20:36:35,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946453262] [2022-10-15 20:36:35,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:35,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 20:36:35,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:35,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 20:36:35,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2022-10-15 20:36:35,574 INFO L87 Difference]: Start difference. First operand 151 states and 188 transitions. Second operand has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 4 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-10-15 20:36:35,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:35,820 INFO L93 Difference]: Finished difference Result 274 states and 341 transitions. [2022-10-15 20:36:35,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 20:36:35,821 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 4 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 288 [2022-10-15 20:36:35,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:35,826 INFO L225 Difference]: With dead ends: 274 [2022-10-15 20:36:35,826 INFO L226 Difference]: Without dead ends: 154 [2022-10-15 20:36:35,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2022-10-15 20:36:35,828 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 204 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:35,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 527 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 20:36:35,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-10-15 20:36:35,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2022-10-15 20:36:35,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 103 states have (on average 1.1844660194174756) internal successors, (122), 105 states have internal predecessors, (122), 34 states have call successors, (34), 14 states have call predecessors, (34), 15 states have return successors, (35), 34 states have call predecessors, (35), 34 states have call successors, (35) [2022-10-15 20:36:35,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 191 transitions. [2022-10-15 20:36:35,848 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 191 transitions. Word has length 288 [2022-10-15 20:36:35,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:35,849 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 191 transitions. [2022-10-15 20:36:35,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.428571428571429) internal successors, (108), 7 states have internal predecessors, (108), 4 states have call successors, (40), 2 states have call predecessors, (40), 3 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2022-10-15 20:36:35,849 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 191 transitions. [2022-10-15 20:36:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2022-10-15 20:36:35,855 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:35,855 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:35,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 20:36:36,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-10-15 20:36:36,069 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:36,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:36,070 INFO L85 PathProgramCache]: Analyzing trace with hash -43531931, now seen corresponding path program 1 times [2022-10-15 20:36:36,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:36,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40044932] [2022-10-15 20:36:36,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:36,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 20:36:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 20:36:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:37,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 20:36:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 20:36:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 20:36:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-10-15 20:36:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-15 20:36:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-10-15 20:36:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-10-15 20:36:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-10-15 20:36:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-10-15 20:36:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-10-15 20:36:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-10-15 20:36:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-10-15 20:36:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-10-15 20:36:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-15 20:36:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-10-15 20:36:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2022-10-15 20:36:37,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:37,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40044932] [2022-10-15 20:36:37,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40044932] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:36:37,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695384377] [2022-10-15 20:36:37,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:37,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:37,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:37,870 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 20:36:37,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 20:36:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:38,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 3374 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-15 20:36:38,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:36:38,934 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 197 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2022-10-15 20:36:38,934 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:36:38,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695384377] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:38,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:36:38,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2022-10-15 20:36:38,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105881955] [2022-10-15 20:36:38,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:38,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 20:36:38,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:38,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 20:36:38,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-10-15 20:36:38,938 INFO L87 Difference]: Start difference. First operand 154 states and 191 transitions. Second operand has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 8 states have internal predecessors, (108), 5 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 4 states have call predecessors, (38), 5 states have call successors, (38) [2022-10-15 20:36:39,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:39,255 INFO L93 Difference]: Finished difference Result 223 states and 276 transitions. [2022-10-15 20:36:39,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 20:36:39,256 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 8 states have internal predecessors, (108), 5 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 4 states have call predecessors, (38), 5 states have call successors, (38) Word has length 290 [2022-10-15 20:36:39,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:39,259 INFO L225 Difference]: With dead ends: 223 [2022-10-15 20:36:39,259 INFO L226 Difference]: Without dead ends: 149 [2022-10-15 20:36:39,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 397 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2022-10-15 20:36:39,261 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 213 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:39,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 637 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 20:36:39,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-10-15 20:36:39,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2022-10-15 20:36:39,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 100 states have internal predecessors, (117), 34 states have call successors, (34), 14 states have call predecessors, (34), 14 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2022-10-15 20:36:39,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 185 transitions. [2022-10-15 20:36:39,285 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 185 transitions. Word has length 290 [2022-10-15 20:36:39,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:39,287 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 185 transitions. [2022-10-15 20:36:39,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 15.428571428571429) internal successors, (108), 8 states have internal predecessors, (108), 5 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (38), 4 states have call predecessors, (38), 5 states have call successors, (38) [2022-10-15 20:36:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2022-10-15 20:36:39,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-10-15 20:36:39,295 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:39,296 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:39,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 20:36:39,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:39,511 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:39,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:39,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1995879660, now seen corresponding path program 1 times [2022-10-15 20:36:39,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:39,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872489195] [2022-10-15 20:36:39,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:39,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:39,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:40,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:40,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:40,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-10-15 20:36:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-10-15 20:36:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 20:36:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 20:36:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 20:36:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-10-15 20:36:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-15 20:36:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-10-15 20:36:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:40,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-10-15 20:36:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-10-15 20:36:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-15 20:36:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-15 20:36:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-10-15 20:36:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2022-10-15 20:36:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-10-15 20:36:41,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-10-15 20:36:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-15 20:36:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:41,191 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2022-10-15 20:36:41,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:41,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872489195] [2022-10-15 20:36:41,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872489195] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:36:41,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1335662339] [2022-10-15 20:36:41,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:41,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:41,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:41,195 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 20:36:41,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 20:36:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:42,018 INFO L263 TraceCheckSpWp]: Trace formula consists of 3390 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 20:36:42,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:36:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2022-10-15 20:36:42,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:36:42,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1335662339] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:42,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:36:42,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-10-15 20:36:42,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586238737] [2022-10-15 20:36:42,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:42,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 20:36:42,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:42,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 20:36:42,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-15 20:36:42,109 INFO L87 Difference]: Start difference. First operand 149 states and 185 transitions. Second operand has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-10-15 20:36:42,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:42,177 INFO L93 Difference]: Finished difference Result 286 states and 355 transitions. [2022-10-15 20:36:42,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 20:36:42,178 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 292 [2022-10-15 20:36:42,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:42,180 INFO L225 Difference]: With dead ends: 286 [2022-10-15 20:36:42,180 INFO L226 Difference]: Without dead ends: 151 [2022-10-15 20:36:42,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 383 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-10-15 20:36:42,182 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 6 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:42,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 700 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 20:36:42,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2022-10-15 20:36:42,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2022-10-15 20:36:42,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 100 states have (on average 1.18) internal successors, (118), 102 states have internal predecessors, (118), 34 states have call successors, (34), 14 states have call predecessors, (34), 15 states have return successors, (35), 34 states have call predecessors, (35), 34 states have call successors, (35) [2022-10-15 20:36:42,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 187 transitions. [2022-10-15 20:36:42,199 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 187 transitions. Word has length 292 [2022-10-15 20:36:42,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:42,200 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 187 transitions. [2022-10-15 20:36:42,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.4) internal successors, (92), 6 states have internal predecessors, (92), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-10-15 20:36:42,201 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 187 transitions. [2022-10-15 20:36:42,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2022-10-15 20:36:42,206 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:42,206 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:42,252 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 20:36:42,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:42,421 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:42,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:42,422 INFO L85 PathProgramCache]: Analyzing trace with hash -12705428, now seen corresponding path program 1 times [2022-10-15 20:36:42,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:42,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640681711] [2022-10-15 20:36:42,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:42,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 20:36:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 20:36:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:43,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-10-15 20:36:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 20:36:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-15 20:36:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-15 20:36:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-15 20:36:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-15 20:36:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-10-15 20:36:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-10-15 20:36:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-10-15 20:36:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-15 20:36:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-10-15 20:36:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-10-15 20:36:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-10-15 20:36:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-10-15 20:36:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-10-15 20:36:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-10-15 20:36:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-10-15 20:36:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:43,921 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-10-15 20:36:43,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:43,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640681711] [2022-10-15 20:36:43,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640681711] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:36:43,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424913117] [2022-10-15 20:36:43,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:43,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:43,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:43,924 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 20:36:43,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 20:36:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:44,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 3394 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-15 20:36:44,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:36:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2022-10-15 20:36:44,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:36:44,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424913117] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:44,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:36:44,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-10-15 20:36:44,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391695629] [2022-10-15 20:36:44,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:44,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 20:36:44,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:44,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 20:36:44,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-10-15 20:36:44,712 INFO L87 Difference]: Start difference. First operand 151 states and 187 transitions. Second operand has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-15 20:36:44,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:44,780 INFO L93 Difference]: Finished difference Result 276 states and 347 transitions. [2022-10-15 20:36:44,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 20:36:44,781 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 294 [2022-10-15 20:36:44,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:44,783 INFO L225 Difference]: With dead ends: 276 [2022-10-15 20:36:44,783 INFO L226 Difference]: Without dead ends: 156 [2022-10-15 20:36:44,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-10-15 20:36:44,785 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 7 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:44,785 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 868 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 20:36:44,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2022-10-15 20:36:44,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2022-10-15 20:36:44,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 103 states have (on average 1.174757281553398) internal successors, (121), 105 states have internal predecessors, (121), 35 states have call successors, (35), 15 states have call predecessors, (35), 16 states have return successors, (36), 35 states have call predecessors, (36), 35 states have call successors, (36) [2022-10-15 20:36:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 192 transitions. [2022-10-15 20:36:44,798 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 192 transitions. Word has length 294 [2022-10-15 20:36:44,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:44,799 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 192 transitions. [2022-10-15 20:36:44,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.4) internal successors, (97), 6 states have internal predecessors, (97), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-15 20:36:44,800 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 192 transitions. [2022-10-15 20:36:44,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-10-15 20:36:44,805 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:44,805 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:44,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-15 20:36:45,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:45,021 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:45,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:45,022 INFO L85 PathProgramCache]: Analyzing trace with hash -892446222, now seen corresponding path program 2 times [2022-10-15 20:36:45,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:45,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933859771] [2022-10-15 20:36:45,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:45,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:45,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:45,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:45,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:45,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:45,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:45,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:45,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:45,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:45,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:45,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:45,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:45,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-10-15 20:36:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-10-15 20:36:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 20:36:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 20:36:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-10-15 20:36:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-15 20:36:46,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-15 20:36:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2022-10-15 20:36:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-15 20:36:46,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:36:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 20:36:46,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 20:36:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-10-15 20:36:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-15 20:36:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-10-15 20:36:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-10-15 20:36:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-10-15 20:36:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 20:36:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-15 20:36:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-10-15 20:36:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-15 20:36:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 466 trivial. 0 not checked. [2022-10-15 20:36:46,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:46,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933859771] [2022-10-15 20:36:46,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933859771] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:36:46,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932352498] [2022-10-15 20:36:46,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 20:36:46,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:46,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:46,705 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 20:36:46,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 20:36:48,427 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-15 20:36:48,428 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 20:36:48,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 3404 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 20:36:48,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:36:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-15 20:36:48,600 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:36:48,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932352498] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:48,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:36:48,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-10-15 20:36:48,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360729763] [2022-10-15 20:36:48,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:48,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 20:36:48,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:48,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 20:36:48,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-15 20:36:48,605 INFO L87 Difference]: Start difference. First operand 156 states and 192 transitions. Second operand has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-10-15 20:36:48,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:48,696 INFO L93 Difference]: Finished difference Result 300 states and 370 transitions. [2022-10-15 20:36:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 20:36:48,697 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 299 [2022-10-15 20:36:48,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:48,698 INFO L225 Difference]: With dead ends: 300 [2022-10-15 20:36:48,698 INFO L226 Difference]: Without dead ends: 158 [2022-10-15 20:36:48,699 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 389 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-10-15 20:36:48,701 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 19 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:48,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 854 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 20:36:48,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2022-10-15 20:36:48,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2022-10-15 20:36:48,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 104 states have (on average 1.1730769230769231) internal successors, (122), 107 states have internal predecessors, (122), 35 states have call successors, (35), 15 states have call predecessors, (35), 17 states have return successors, (38), 35 states have call predecessors, (38), 35 states have call successors, (38) [2022-10-15 20:36:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 195 transitions. [2022-10-15 20:36:48,717 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 195 transitions. Word has length 299 [2022-10-15 20:36:48,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:48,717 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 195 transitions. [2022-10-15 20:36:48,718 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.833333333333334) internal successors, (95), 7 states have internal predecessors, (95), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-10-15 20:36:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 195 transitions. [2022-10-15 20:36:48,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-10-15 20:36:48,723 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:48,723 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:48,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 20:36:48,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:48,936 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:48,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:48,937 INFO L85 PathProgramCache]: Analyzing trace with hash 378706930, now seen corresponding path program 1 times [2022-10-15 20:36:48,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:48,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060111092] [2022-10-15 20:36:48,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:48,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:49,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:49,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:49,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:49,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:49,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:49,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:49,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-10-15 20:36:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-10-15 20:36:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 20:36:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 20:36:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-10-15 20:36:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 20:36:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 20:36:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-10-15 20:36:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-10-15 20:36:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-15 20:36:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 20:36:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 20:36:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2022-10-15 20:36:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2022-10-15 20:36:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-10-15 20:36:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-10-15 20:36:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-10-15 20:36:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-10-15 20:36:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-10-15 20:36:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-10-15 20:36:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-10-15 20:36:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:50,654 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 467 trivial. 0 not checked. [2022-10-15 20:36:50,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:50,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060111092] [2022-10-15 20:36:50,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060111092] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:36:50,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457651501] [2022-10-15 20:36:50,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:50,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:50,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:50,657 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 20:36:50,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-15 20:36:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:51,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 3408 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 20:36:51,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:36:51,511 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-15 20:36:51,511 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:36:51,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [457651501] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:51,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:36:51,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-10-15 20:36:51,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555961085] [2022-10-15 20:36:51,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:51,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 20:36:51,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:51,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 20:36:51,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-15 20:36:51,514 INFO L87 Difference]: Start difference. First operand 158 states and 195 transitions. Second operand has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-10-15 20:36:51,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:51,621 INFO L93 Difference]: Finished difference Result 304 states and 376 transitions. [2022-10-15 20:36:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 20:36:51,622 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 301 [2022-10-15 20:36:51,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:51,625 INFO L225 Difference]: With dead ends: 304 [2022-10-15 20:36:51,625 INFO L226 Difference]: Without dead ends: 160 [2022-10-15 20:36:51,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-10-15 20:36:51,627 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 17 mSDsluCounter, 847 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 1022 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:51,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 1022 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 20:36:51,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-10-15 20:36:51,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 158. [2022-10-15 20:36:51,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 104 states have (on average 1.1730769230769231) internal successors, (122), 107 states have internal predecessors, (122), 35 states have call successors, (35), 15 states have call predecessors, (35), 17 states have return successors, (38), 35 states have call predecessors, (38), 35 states have call successors, (38) [2022-10-15 20:36:51,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 195 transitions. [2022-10-15 20:36:51,654 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 195 transitions. Word has length 301 [2022-10-15 20:36:51,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:51,657 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 195 transitions. [2022-10-15 20:36:51,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.333333333333332) internal successors, (98), 7 states have internal predecessors, (98), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-10-15 20:36:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 195 transitions. [2022-10-15 20:36:51,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-10-15 20:36:51,660 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:51,660 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:51,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-15 20:36:51,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:51,877 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:51,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:51,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1996321530, now seen corresponding path program 1 times [2022-10-15 20:36:51,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:51,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571113695] [2022-10-15 20:36:51,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:51,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:52,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-10-15 20:36:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:52,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-10-15 20:36:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:52,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:53,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 20:36:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 20:36:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-10-15 20:36:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-15 20:36:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:36:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-10-15 20:36:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-15 20:36:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-10-15 20:36:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 20:36:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 20:36:53,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2022-10-15 20:36:53,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-15 20:36:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-15 20:36:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-10-15 20:36:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-10-15 20:36:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-15 20:36:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-10-15 20:36:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:53,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-15 20:36:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-10-15 20:36:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:53,514 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2022-10-15 20:36:53,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:53,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571113695] [2022-10-15 20:36:53,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571113695] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:36:53,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147629520] [2022-10-15 20:36:53,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:53,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:53,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:53,517 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 20:36:53,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-15 20:36:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:54,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 3412 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 20:36:54,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:36:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 472 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-10-15 20:36:54,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:36:54,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147629520] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:54,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:36:54,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-10-15 20:36:54,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187740645] [2022-10-15 20:36:54,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:54,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 20:36:54,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:54,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 20:36:54,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-15 20:36:54,371 INFO L87 Difference]: Start difference. First operand 158 states and 195 transitions. Second operand has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-10-15 20:36:54,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:54,470 INFO L93 Difference]: Finished difference Result 304 states and 376 transitions. [2022-10-15 20:36:54,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 20:36:54,471 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 303 [2022-10-15 20:36:54,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:54,473 INFO L225 Difference]: With dead ends: 304 [2022-10-15 20:36:54,473 INFO L226 Difference]: Without dead ends: 160 [2022-10-15 20:36:54,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-10-15 20:36:54,475 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 19 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 848 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:54,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 848 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 20:36:54,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-10-15 20:36:54,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 158. [2022-10-15 20:36:54,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 104 states have (on average 1.1730769230769231) internal successors, (122), 107 states have internal predecessors, (122), 35 states have call successors, (35), 15 states have call predecessors, (35), 17 states have return successors, (38), 35 states have call predecessors, (38), 35 states have call successors, (38) [2022-10-15 20:36:54,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 195 transitions. [2022-10-15 20:36:54,489 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 195 transitions. Word has length 303 [2022-10-15 20:36:54,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:54,490 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 195 transitions. [2022-10-15 20:36:54,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 3 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-10-15 20:36:54,490 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 195 transitions. [2022-10-15 20:36:54,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2022-10-15 20:36:54,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:54,493 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:54,544 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-15 20:36:54,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-10-15 20:36:54,708 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:54,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:54,709 INFO L85 PathProgramCache]: Analyzing trace with hash 125526898, now seen corresponding path program 1 times [2022-10-15 20:36:54,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:54,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070841456] [2022-10-15 20:36:54,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:54,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:54,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:55,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:36:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 20:36:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 20:36:55,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 20:36:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-10-15 20:36:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-10-15 20:36:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-10-15 20:36:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-10-15 20:36:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:36:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-10-15 20:36:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-10-15 20:36:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-10-15 20:36:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-10-15 20:36:56,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-10-15 20:36:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-10-15 20:36:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-10-15 20:36:56,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-10-15 20:36:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-15 20:36:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-10-15 20:36:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-10-15 20:36:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-10-15 20:36:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2022-10-15 20:36:56,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:56,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070841456] [2022-10-15 20:36:56,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070841456] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:36:56,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796169806] [2022-10-15 20:36:56,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:56,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:56,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:56,135 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 20:36:56,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-15 20:36:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:56,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 3416 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 20:36:56,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:36:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2022-10-15 20:36:56,918 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:36:56,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796169806] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:56,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:36:56,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-10-15 20:36:56,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143014466] [2022-10-15 20:36:56,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:56,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 20:36:56,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:56,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 20:36:56,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-15 20:36:56,923 INFO L87 Difference]: Start difference. First operand 158 states and 195 transitions. Second operand has 7 states, 6 states have (on average 17.166666666666668) internal successors, (103), 7 states have internal predecessors, (103), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-15 20:36:57,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:57,034 INFO L93 Difference]: Finished difference Result 292 states and 366 transitions. [2022-10-15 20:36:57,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 20:36:57,035 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.166666666666668) internal successors, (103), 7 states have internal predecessors, (103), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 305 [2022-10-15 20:36:57,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:57,037 INFO L225 Difference]: With dead ends: 292 [2022-10-15 20:36:57,037 INFO L226 Difference]: Without dead ends: 165 [2022-10-15 20:36:57,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-10-15 20:36:57,039 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 20 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 841 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:57,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 841 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 20:36:57,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-10-15 20:36:57,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2022-10-15 20:36:57,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 108 states have (on average 1.1666666666666667) internal successors, (126), 112 states have internal predecessors, (126), 36 states have call successors, (36), 16 states have call predecessors, (36), 19 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-10-15 20:36:57,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 204 transitions. [2022-10-15 20:36:57,053 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 204 transitions. Word has length 305 [2022-10-15 20:36:57,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:57,054 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 204 transitions. [2022-10-15 20:36:57,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.166666666666668) internal successors, (103), 7 states have internal predecessors, (103), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-15 20:36:57,055 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 204 transitions. [2022-10-15 20:36:57,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-10-15 20:36:57,057 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:57,058 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:57,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-15 20:36:57,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-15 20:36:57,263 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:57,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:57,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1085952506, now seen corresponding path program 1 times [2022-10-15 20:36:57,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:57,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292416161] [2022-10-15 20:36:57,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:57,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:36:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:36:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:36:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:36:58,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:36:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:36:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:36:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:36:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 20:36:58,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-15 20:36:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 20:36:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 20:36:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-10-15 20:36:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-10-15 20:36:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-10-15 20:36:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-10-15 20:36:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-10-15 20:36:58,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-10-15 20:36:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-15 20:36:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 20:36:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-10-15 20:36:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-10-15 20:36:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-10-15 20:36:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-10-15 20:36:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-10-15 20:36:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2022-10-15 20:36:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-10-15 20:36:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-15 20:36:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:36:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2022-10-15 20:36:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-10-15 20:36:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:58,616 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2022-10-15 20:36:58,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:36:58,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292416161] [2022-10-15 20:36:58,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292416161] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:36:58,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857546280] [2022-10-15 20:36:58,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:58,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:36:58,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:36:58,619 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 20:36:58,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-15 20:36:59,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:36:59,381 INFO L263 TraceCheckSpWp]: Trace formula consists of 3424 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-15 20:36:59,389 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:36:59,475 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2022-10-15 20:36:59,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:36:59,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857546280] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:36:59,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:36:59,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2022-10-15 20:36:59,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052239813] [2022-10-15 20:36:59,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:36:59,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 20:36:59,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:36:59,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 20:36:59,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-10-15 20:36:59,479 INFO L87 Difference]: Start difference. First operand 165 states and 204 transitions. Second operand has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-15 20:36:59,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:36:59,591 INFO L93 Difference]: Finished difference Result 304 states and 380 transitions. [2022-10-15 20:36:59,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 20:36:59,592 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 309 [2022-10-15 20:36:59,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:36:59,597 INFO L225 Difference]: With dead ends: 304 [2022-10-15 20:36:59,598 INFO L226 Difference]: Without dead ends: 167 [2022-10-15 20:36:59,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-10-15 20:36:59,601 INFO L413 NwaCegarLoop]: 174 mSDtfsCounter, 20 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 838 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 20:36:59,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 838 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 20:36:59,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-10-15 20:36:59,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 165. [2022-10-15 20:36:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 108 states have (on average 1.1666666666666667) internal successors, (126), 112 states have internal predecessors, (126), 36 states have call successors, (36), 16 states have call predecessors, (36), 19 states have return successors, (42), 36 states have call predecessors, (42), 36 states have call successors, (42) [2022-10-15 20:36:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 204 transitions. [2022-10-15 20:36:59,620 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 204 transitions. Word has length 309 [2022-10-15 20:36:59,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:36:59,621 INFO L495 AbstractCegarLoop]: Abstraction has 165 states and 204 transitions. [2022-10-15 20:36:59,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.666666666666668) internal successors, (106), 7 states have internal predecessors, (106), 3 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-10-15 20:36:59,622 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 204 transitions. [2022-10-15 20:36:59,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-10-15 20:36:59,626 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:36:59,628 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:36:59,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-15 20:36:59,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-15 20:36:59,842 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-10-15 20:36:59,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:36:59,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1301278222, now seen corresponding path program 1 times [2022-10-15 20:36:59,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:36:59,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644757386] [2022-10-15 20:36:59,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:36:59,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:36:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 20:37:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-10-15 20:37:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-10-15 20:37:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:37:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:37:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:37:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:37:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-10-15 20:37:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-10-15 20:37:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 20:37:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 20:37:00,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-15 20:37:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-10-15 20:37:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:37:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-10-15 20:37:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-10-15 20:37:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:00,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-10-15 20:37:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:01,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-10-15 20:37:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:37:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2022-10-15 20:37:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat