/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/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 12:52:52,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 12:52:52,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 12:52:52,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 12:52:52,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 12:52:52,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 12:52:52,175 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 12:52:52,185 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 12:52:52,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 12:52:52,195 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 12:52:52,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 12:52:52,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 12:52:52,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 12:52:52,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 12:52:52,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 12:52:52,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 12:52:52,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 12:52:52,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 12:52:52,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 12:52:52,229 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 12:52:52,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 12:52:52,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 12:52:52,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 12:52:52,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 12:52:52,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 12:52:52,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 12:52:52,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 12:52:52,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 12:52:52,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 12:52:52,256 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 12:52:52,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 12:52:52,257 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 12:52:52,260 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 12:52:52,261 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 12:52:52,262 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 12:52:52,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 12:52:52,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 12:52:52,264 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 12:52:52,264 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 12:52:52,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 12:52:52,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 12:52:52,268 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 [2022-10-16 12:52:52,325 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 12:52:52,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 12:52:52,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 12:52:52,327 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 12:52:52,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 12:52:52,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 12:52:52,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 12:52:52,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 12:52:52,334 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 12:52:52,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 12:52:52,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 12:52:52,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 12:52:52,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 12:52:52,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 12:52:52,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 12:52:52,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 12:52:52,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 12:52:52,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 12:52:52,337 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 12:52:52,337 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 12:52:52,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 12:52:52,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 12:52:52,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 12:52:52,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 12:52:52,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 12:52:52,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 12:52:52,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:52:52,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 12:52:52,340 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 12:52:52,340 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 12:52:52,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 12:52:52,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 12:52:52,341 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 12:52:52,341 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 12:52:52,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 12:52:52,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 12:52:52,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 12:52:52,788 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 12:52:52,788 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 12:52:52,790 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2022-10-16 12:52:52,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83375f35b/a480c6d7937f4ab8b20721ec319ac6db/FLAGcfdcc1e23 [2022-10-16 12:52:53,898 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 12:52:53,901 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2022-10-16 12:52:53,948 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83375f35b/a480c6d7937f4ab8b20721ec319ac6db/FLAGcfdcc1e23 [2022-10-16 12:52:54,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83375f35b/a480c6d7937f4ab8b20721ec319ac6db [2022-10-16 12:52:54,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 12:52:54,366 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 12:52:54,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 12:52:54,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 12:52:54,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 12:52:54,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:52:54" (1/1) ... [2022-10-16 12:52:54,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b1e45a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:54, skipping insertion in model container [2022-10-16 12:52:54,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 12:52:54" (1/1) ... [2022-10-16 12:52:54,390 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 12:52:54,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 12:52:56,758 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/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2022-10-16 12:52:56,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:52:57,189 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 12:52:57,635 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/ldv-consumption/linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i[254705,254718] [2022-10-16 12:52:57,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 12:52:58,248 INFO L208 MainTranslator]: Completed translation [2022-10-16 12:52:58,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58 WrapperNode [2022-10-16 12:52:58,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 12:52:58,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 12:52:58,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 12:52:58,250 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 12:52:58,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:58,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:58,735 INFO L138 Inliner]: procedures = 243, calls = 6386, calls flagged for inlining = 118, calls inlined = 80, statements flattened = 7355 [2022-10-16 12:52:58,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 12:52:58,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 12:52:58,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 12:52:58,737 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 12:52:58,750 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:58,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:58,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:58,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:59,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:59,214 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:59,244 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:59,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:59,330 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 12:52:59,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 12:52:59,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 12:52:59,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 12:52:59,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (1/1) ... [2022-10-16 12:52:59,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 12:52:59,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:52:59,377 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) [2022-10-16 12:52:59,400 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 [2022-10-16 12:52:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_enable [2022-10-16 12:52:59,449 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_enable [2022-10-16 12:52:59,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 12:52:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 12:52:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2022-10-16 12:52:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2022-10-16 12:52:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_write_value [2022-10-16 12:52:59,450 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_write_value [2022-10-16 12:52:59,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_data_mutex [2022-10-16 12:52:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_data_mutex [2022-10-16 12:52:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_read_value [2022-10-16 12:52:59,451 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_read_value [2022-10-16 12:52:59,451 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-10-16 12:52:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-10-16 12:52:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-16 12:52:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-16 12:52:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 12:52:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 12:52:59,452 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-16 12:52:59,452 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-10-16 12:52:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-16 12:52:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-16 12:52:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-16 12:52:59,453 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-16 12:52:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 12:52:59,453 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-10-16 12:52:59,454 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-10-16 12:52:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 12:52:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-16 12:52:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 12:52:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 12:52:59,454 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 12:52:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 12:52:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-10-16 12:52:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-10-16 12:52:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-16 12:52:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-16 12:52:59,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-16 12:52:59,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-16 12:52:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-16 12:52:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-16 12:52:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 12:52:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-10-16 12:52:59,456 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-10-16 12:52:59,456 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-16 12:52:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-16 12:52:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2022-10-16 12:52:59,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2022-10-16 12:52:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 12:52:59,457 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-16 12:52:59,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-16 12:52:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 12:52:59,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 12:52:59,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 12:52:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 12:52:59,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 12:52:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_data_mutex [2022-10-16 12:52:59,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_data_mutex [2022-10-16 12:52:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_disable [2022-10-16 12:52:59,461 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_disable [2022-10-16 12:52:59,461 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-16 12:52:59,461 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-16 12:52:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2022-10-16 12:52:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2022-10-16 12:52:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2022-10-16 12:52:59,462 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2022-10-16 12:52:59,462 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_trigger [2022-10-16 12:52:59,463 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_trigger [2022-10-16 12:52:59,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 12:52:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-10-16 12:52:59,465 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-10-16 12:52:59,465 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-16 12:52:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-16 12:52:59,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 12:52:59,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 12:53:00,015 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 12:53:00,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 12:53:15,902 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 12:53:15,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 12:53:15,936 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 12:53:15,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:53:15 BoogieIcfgContainer [2022-10-16 12:53:15,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 12:53:15,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 12:53:15,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 12:53:15,951 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 12:53:15,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 12:52:54" (1/3) ... [2022-10-16 12:53:15,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25bfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:53:15, skipping insertion in model container [2022-10-16 12:53:15,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 12:52:58" (2/3) ... [2022-10-16 12:53:15,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25bfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 12:53:15, skipping insertion in model container [2022-10-16 12:53:15,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 12:53:15" (3/3) ... [2022-10-16 12:53:15,960 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2022-10-16 12:53:15,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 12:53:15,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2022-10-16 12:53:16,110 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 12:53:16,118 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;@3a3678f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 12:53:16,119 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2022-10-16 12:53:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand has 861 states, 575 states have (on average 1.4817391304347827) internal successors, (852), 672 states have internal predecessors, (852), 170 states have call successors, (170), 31 states have call predecessors, (170), 31 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) [2022-10-16 12:53:16,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 12:53:16,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:16,146 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:53:16,147 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-16 12:53:16,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:16,154 INFO L85 PathProgramCache]: Analyzing trace with hash 151429648, now seen corresponding path program 1 times [2022-10-16 12:53:16,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:16,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169427197] [2022-10-16 12:53:16,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:16,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:18,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-16 12:53:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:18,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-16 12:53:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:18,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:18,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:18,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169427197] [2022-10-16 12:53:18,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169427197] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:53:18,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:53:18,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:53:18,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310868023] [2022-10-16 12:53:18,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:53:18,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:53:18,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:18,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:53:18,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:18,588 INFO L87 Difference]: Start difference. First operand has 861 states, 575 states have (on average 1.4817391304347827) internal successors, (852), 672 states have internal predecessors, (852), 170 states have call successors, (170), 31 states have call predecessors, (170), 31 states have return successors, (170), 170 states have call predecessors, (170), 170 states have call successors, (170) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:53:18,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:18,913 INFO L93 Difference]: Finished difference Result 2298 states and 3339 transitions. [2022-10-16 12:53:18,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:53:18,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-10-16 12:53:18,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:18,944 INFO L225 Difference]: With dead ends: 2298 [2022-10-16 12:53:18,945 INFO L226 Difference]: Without dead ends: 1404 [2022-10-16 12:53:18,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:18,962 INFO L413 NwaCegarLoop]: 1276 mSDtfsCounter, 670 mSDsluCounter, 1088 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 2364 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:18,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 2364 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:53:18,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2022-10-16 12:53:19,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1328. [2022-10-16 12:53:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1328 states, 950 states have (on average 1.496842105263158) internal successors, (1422), 1033 states have internal predecessors, (1422), 268 states have call successors, (268), 30 states have call predecessors, (268), 30 states have return successors, (268), 268 states have call predecessors, (268), 268 states have call successors, (268) [2022-10-16 12:53:19,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1958 transitions. [2022-10-16 12:53:19,148 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1958 transitions. Word has length 25 [2022-10-16 12:53:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:19,149 INFO L495 AbstractCegarLoop]: Abstraction has 1328 states and 1958 transitions. [2022-10-16 12:53:19,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:53:19,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1958 transitions. [2022-10-16 12:53:19,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-16 12:53:19,153 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:19,153 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:53:19,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 12:53:19,154 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-16 12:53:19,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:19,155 INFO L85 PathProgramCache]: Analyzing trace with hash -466611160, now seen corresponding path program 1 times [2022-10-16 12:53:19,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:19,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714562022] [2022-10-16 12:53:19,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:19,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 12:53:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:21,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 12:53:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:21,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:21,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:21,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714562022] [2022-10-16 12:53:21,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714562022] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:53:21,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:53:21,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:53:21,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866307300] [2022-10-16 12:53:21,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:53:21,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 12:53:21,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:21,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 12:53:21,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:53:21,132 INFO L87 Difference]: Start difference. First operand 1328 states and 1958 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:53:22,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:53:24,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:24,725 INFO L93 Difference]: Finished difference Result 3149 states and 4747 transitions. [2022-10-16 12:53:24,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 12:53:24,726 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-10-16 12:53:24,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:24,748 INFO L225 Difference]: With dead ends: 3149 [2022-10-16 12:53:24,748 INFO L226 Difference]: Without dead ends: 1824 [2022-10-16 12:53:24,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 12:53:24,755 INFO L413 NwaCegarLoop]: 1450 mSDtfsCounter, 720 mSDsluCounter, 1603 mSDsCounter, 0 mSdLazyCounter, 443 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 860 SdHoareTripleChecker+Valid, 3053 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:24,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [860 Valid, 3053 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 443 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 12:53:24,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2022-10-16 12:53:24,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1755. [2022-10-16 12:53:24,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1755 states, 1290 states have (on average 1.4883720930232558) internal successors, (1920), 1372 states have internal predecessors, (1920), 357 states have call successors, (357), 30 states have call predecessors, (357), 30 states have return successors, (357), 357 states have call predecessors, (357), 357 states have call successors, (357) [2022-10-16 12:53:24,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2634 transitions. [2022-10-16 12:53:24,877 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2634 transitions. Word has length 28 [2022-10-16 12:53:24,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:24,878 INFO L495 AbstractCegarLoop]: Abstraction has 1755 states and 2634 transitions. [2022-10-16 12:53:24,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:53:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2634 transitions. [2022-10-16 12:53:24,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 12:53:24,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:24,881 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:53:24,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 12:53:24,881 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-16 12:53:24,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:24,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1077527771, now seen corresponding path program 1 times [2022-10-16 12:53:24,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:24,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429818752] [2022-10-16 12:53:24,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:24,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:53:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:53:27,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:27,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:27,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:27,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429818752] [2022-10-16 12:53:27,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429818752] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:53:27,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:53:27,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 12:53:27,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945481211] [2022-10-16 12:53:27,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:53:27,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 12:53:27,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:27,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 12:53:27,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 12:53:27,147 INFO L87 Difference]: Start difference. First operand 1755 states and 2634 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:53:27,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:27,815 INFO L93 Difference]: Finished difference Result 6501 states and 9907 transitions. [2022-10-16 12:53:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:53:27,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-10-16 12:53:27,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:27,855 INFO L225 Difference]: With dead ends: 6501 [2022-10-16 12:53:27,855 INFO L226 Difference]: Without dead ends: 4749 [2022-10-16 12:53:27,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:53:27,867 INFO L413 NwaCegarLoop]: 2523 mSDtfsCounter, 2204 mSDsluCounter, 5363 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 367 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2327 SdHoareTripleChecker+Valid, 7886 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 367 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:27,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2327 Valid, 7886 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 12:53:27,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4749 states. [2022-10-16 12:53:28,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4749 to 1761. [2022-10-16 12:53:28,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1296 states have (on average 1.4861111111111112) internal successors, (1926), 1378 states have internal predecessors, (1926), 357 states have call successors, (357), 30 states have call predecessors, (357), 30 states have return successors, (357), 357 states have call predecessors, (357), 357 states have call successors, (357) [2022-10-16 12:53:28,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2640 transitions. [2022-10-16 12:53:28,057 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2640 transitions. Word has length 32 [2022-10-16 12:53:28,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:28,058 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2640 transitions. [2022-10-16 12:53:28,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:53:28,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2640 transitions. [2022-10-16 12:53:28,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 12:53:28,060 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:28,060 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:53:28,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 12:53:28,061 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-16 12:53:28,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:28,062 INFO L85 PathProgramCache]: Analyzing trace with hash 684500761, now seen corresponding path program 1 times [2022-10-16 12:53:28,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:28,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2206960] [2022-10-16 12:53:28,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:28,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:29,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:53:29,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:29,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:53:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:29,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:29,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2206960] [2022-10-16 12:53:29,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2206960] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:53:29,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:53:29,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:53:29,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62061193] [2022-10-16 12:53:29,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:53:29,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:53:29,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:29,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:53:29,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:29,342 INFO L87 Difference]: Start difference. First operand 1761 states and 2640 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:53:29,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:29,482 INFO L93 Difference]: Finished difference Result 3521 states and 5279 transitions. [2022-10-16 12:53:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:53:29,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2022-10-16 12:53:29,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:29,497 INFO L225 Difference]: With dead ends: 3521 [2022-10-16 12:53:29,497 INFO L226 Difference]: Without dead ends: 1763 [2022-10-16 12:53:29,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:29,508 INFO L413 NwaCegarLoop]: 1132 mSDtfsCounter, 0 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2257 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:29,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2257 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:53:29,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2022-10-16 12:53:29,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1761. [2022-10-16 12:53:29,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1296 states have (on average 1.4814814814814814) internal successors, (1920), 1378 states have internal predecessors, (1920), 357 states have call successors, (357), 30 states have call predecessors, (357), 30 states have return successors, (357), 357 states have call predecessors, (357), 357 states have call successors, (357) [2022-10-16 12:53:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2634 transitions. [2022-10-16 12:53:29,718 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2634 transitions. Word has length 32 [2022-10-16 12:53:29,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:29,719 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2634 transitions. [2022-10-16 12:53:29,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:53:29,719 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2634 transitions. [2022-10-16 12:53:29,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-16 12:53:29,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:29,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:53:29,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 12:53:29,722 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-16 12:53:29,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:29,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1314354476, now seen corresponding path program 1 times [2022-10-16 12:53:29,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:29,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355768819] [2022-10-16 12:53:29,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:29,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:31,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:53:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:31,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-16 12:53:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:31,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:31,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355768819] [2022-10-16 12:53:31,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355768819] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:53:31,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:53:31,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 12:53:31,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368018086] [2022-10-16 12:53:31,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:53:31,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:53:31,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:31,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:53:31,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:31,819 INFO L87 Difference]: Start difference. First operand 1761 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:53:31,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:31,951 INFO L93 Difference]: Finished difference Result 3527 states and 5277 transitions. [2022-10-16 12:53:31,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:53:31,952 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2022-10-16 12:53:31,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:31,967 INFO L225 Difference]: With dead ends: 3527 [2022-10-16 12:53:31,968 INFO L226 Difference]: Without dead ends: 1769 [2022-10-16 12:53:31,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:31,979 INFO L413 NwaCegarLoop]: 1133 mSDtfsCounter, 0 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2264 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:31,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2264 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:53:31,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1769 states. [2022-10-16 12:53:32,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1769 to 1769. [2022-10-16 12:53:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1769 states, 1304 states have (on average 1.478527607361963) internal successors, (1928), 1386 states have internal predecessors, (1928), 357 states have call successors, (357), 30 states have call predecessors, (357), 30 states have return successors, (357), 357 states have call predecessors, (357), 357 states have call successors, (357) [2022-10-16 12:53:32,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1769 states and 2642 transitions. [2022-10-16 12:53:32,173 INFO L78 Accepts]: Start accepts. Automaton has 1769 states and 2642 transitions. Word has length 32 [2022-10-16 12:53:32,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:32,173 INFO L495 AbstractCegarLoop]: Abstraction has 1769 states and 2642 transitions. [2022-10-16 12:53:32,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-16 12:53:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2642 transitions. [2022-10-16 12:53:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 12:53:32,175 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:32,176 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:53:32,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 12:53:32,176 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-16 12:53:32,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:32,177 INFO L85 PathProgramCache]: Analyzing trace with hash 675315028, now seen corresponding path program 1 times [2022-10-16 12:53:32,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:32,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148423933] [2022-10-16 12:53:32,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:32,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-16 12:53:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:34,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-16 12:53:34,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:34,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:34,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148423933] [2022-10-16 12:53:34,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148423933] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 12:53:34,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 12:53:34,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 12:53:34,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456471284] [2022-10-16 12:53:34,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 12:53:34,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 12:53:34,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:34,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 12:53:34,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:34,221 INFO L87 Difference]: Start difference. First operand 1769 states and 2642 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:53:34,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:34,422 INFO L93 Difference]: Finished difference Result 3321 states and 5036 transitions. [2022-10-16 12:53:34,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 12:53:34,423 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-10-16 12:53:34,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:34,451 INFO L225 Difference]: With dead ends: 3321 [2022-10-16 12:53:34,451 INFO L226 Difference]: Without dead ends: 3319 [2022-10-16 12:53:34,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 12:53:34,455 INFO L413 NwaCegarLoop]: 2050 mSDtfsCounter, 686 mSDsluCounter, 1230 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 3280 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:34,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 3280 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 12:53:34,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3319 states. [2022-10-16 12:53:34,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3319 to 1767. [2022-10-16 12:53:34,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1767 states, 1304 states have (on average 1.4754601226993864) internal successors, (1924), 1384 states have internal predecessors, (1924), 357 states have call successors, (357), 30 states have call predecessors, (357), 30 states have return successors, (357), 357 states have call predecessors, (357), 357 states have call successors, (357) [2022-10-16 12:53:34,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1767 states to 1767 states and 2638 transitions. [2022-10-16 12:53:34,689 INFO L78 Accepts]: Start accepts. Automaton has 1767 states and 2638 transitions. Word has length 34 [2022-10-16 12:53:34,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:34,689 INFO L495 AbstractCegarLoop]: Abstraction has 1767 states and 2638 transitions. [2022-10-16 12:53:34,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-16 12:53:34,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1767 states and 2638 transitions. [2022-10-16 12:53:34,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-16 12:53:34,691 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:34,692 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-16 12:53:34,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 12:53:34,692 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-16 12:53:34,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:34,693 INFO L85 PathProgramCache]: Analyzing trace with hash -256157777, now seen corresponding path program 1 times [2022-10-16 12:53:34,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:34,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008182624] [2022-10-16 12:53:34,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:34,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:53:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:36,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-16 12:53:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:36,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:36,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008182624] [2022-10-16 12:53:36,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008182624] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:53:36,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144599996] [2022-10-16 12:53:36,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:36,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:53:36,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:53:36,861 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) [2022-10-16 12:53:36,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 12:53:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:39,733 INFO L263 TraceCheckSpWp]: Trace formula consists of 14273 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 12:53:39,748 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:53:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:39,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:53:39,893 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:39,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144599996] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:53:39,893 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:53:39,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-10-16 12:53:39,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021797890] [2022-10-16 12:53:39,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:53:39,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 12:53:39,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:39,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 12:53:39,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-10-16 12:53:39,896 INFO L87 Difference]: Start difference. First operand 1767 states and 2638 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:53:40,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:40,920 INFO L93 Difference]: Finished difference Result 3555 states and 5309 transitions. [2022-10-16 12:53:40,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 12:53:40,921 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2022-10-16 12:53:40,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:40,935 INFO L225 Difference]: With dead ends: 3555 [2022-10-16 12:53:40,935 INFO L226 Difference]: Without dead ends: 1791 [2022-10-16 12:53:40,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=30, Unknown=0, NotChecked=0, Total=56 [2022-10-16 12:53:40,944 INFO L413 NwaCegarLoop]: 1132 mSDtfsCounter, 0 mSDsluCounter, 2261 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3393 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:40,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3393 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 12:53:40,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2022-10-16 12:53:41,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 1791. [2022-10-16 12:53:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1791 states, 1328 states have (on average 1.466867469879518) internal successors, (1948), 1408 states have internal predecessors, (1948), 357 states have call successors, (357), 30 states have call predecessors, (357), 30 states have return successors, (357), 357 states have call predecessors, (357), 357 states have call successors, (357) [2022-10-16 12:53:41,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1791 states and 2662 transitions. [2022-10-16 12:53:41,102 INFO L78 Accepts]: Start accepts. Automaton has 1791 states and 2662 transitions. Word has length 34 [2022-10-16 12:53:41,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:41,102 INFO L495 AbstractCegarLoop]: Abstraction has 1791 states and 2662 transitions. [2022-10-16 12:53:41,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:53:41,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1791 states and 2662 transitions. [2022-10-16 12:53:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-16 12:53:41,104 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:41,104 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:53:41,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 12:53:41,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:53:41,320 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-16 12:53:41,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:41,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1156038080, now seen corresponding path program 2 times [2022-10-16 12:53:41,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:41,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6554115] [2022-10-16 12:53:41,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:41,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:43,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:53:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:43,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 12:53:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:53:43,524 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:43,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:53:43,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6554115] [2022-10-16 12:53:43,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6554115] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:53:43,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940306290] [2022-10-16 12:53:43,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 12:53:43,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:53:43,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:53:43,527 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) [2022-10-16 12:53:43,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 12:53:54,655 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 12:53:54,656 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 12:53:54,739 INFO L263 TraceCheckSpWp]: Trace formula consists of 14321 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 12:53:54,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 12:53:54,851 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:54,851 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 12:53:55,032 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:53:55,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940306290] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 12:53:55,033 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 12:53:55,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-10-16 12:53:55,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169787577] [2022-10-16 12:53:55,033 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 12:53:55,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 12:53:55,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 12:53:55,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 12:53:55,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2022-10-16 12:53:55,035 INFO L87 Difference]: Start difference. First operand 1791 states and 2662 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:53:56,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 12:53:59,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 12:53:59,004 INFO L93 Difference]: Finished difference Result 3627 states and 5393 transitions. [2022-10-16 12:53:59,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 12:53:59,005 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2022-10-16 12:53:59,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 12:53:59,020 INFO L225 Difference]: With dead ends: 3627 [2022-10-16 12:53:59,021 INFO L226 Difference]: Without dead ends: 1839 [2022-10-16 12:53:59,028 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 77 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=110, Invalid=162, Unknown=0, NotChecked=0, Total=272 [2022-10-16 12:53:59,029 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 0 mSDsluCounter, 5666 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6801 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-10-16 12:53:59,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6801 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-10-16 12:53:59,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1839 states. [2022-10-16 12:53:59,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1839 to 1839. [2022-10-16 12:53:59,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1839 states, 1376 states have (on average 1.4505813953488371) internal successors, (1996), 1456 states have internal predecessors, (1996), 357 states have call successors, (357), 30 states have call predecessors, (357), 30 states have return successors, (357), 357 states have call predecessors, (357), 357 states have call successors, (357) [2022-10-16 12:53:59,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1839 states and 2710 transitions. [2022-10-16 12:53:59,187 INFO L78 Accepts]: Start accepts. Automaton has 1839 states and 2710 transitions. Word has length 40 [2022-10-16 12:53:59,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 12:53:59,190 INFO L495 AbstractCegarLoop]: Abstraction has 1839 states and 2710 transitions. [2022-10-16 12:53:59,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-10-16 12:53:59,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1839 states and 2710 transitions. [2022-10-16 12:53:59,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 12:53:59,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 12:53:59,194 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 12:53:59,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-10-16 12:53:59,409 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,SelfDestructingSolverStorable7 [2022-10-16 12:53:59,410 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 81 more)] === [2022-10-16 12:53:59,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 12:53:59,411 INFO L85 PathProgramCache]: Analyzing trace with hash -2073008222, now seen corresponding path program 3 times [2022-10-16 12:53:59,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 12:53:59,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780674633] [2022-10-16 12:53:59,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 12:53:59,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 12:53:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:03,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-16 12:54:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:03,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-10-16 12:54:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 12:54:03,071 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 12:54:03,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 12:54:03,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780674633] [2022-10-16 12:54:03,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780674633] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 12:54:03,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894751364] [2022-10-16 12:54:03,072 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 12:54:03,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 12:54:03,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 12:54:03,073 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) [2022-10-16 12:54:03,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process