/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 [2022-10-15 21:08:36,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:08:36,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:08:36,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:08:36,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:08:36,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:08:36,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:08:36,765 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:08:36,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:08:36,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:08:36,771 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:08:36,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:08:36,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:08:36,775 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:08:36,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:08:36,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:08:36,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:08:36,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:08:36,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:08:36,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:08:36,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:08:36,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:08:36,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:08:36,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:08:36,798 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:08:36,799 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:08:36,799 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:08:36,800 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:08:36,801 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:08:36,803 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:08:36,803 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:08:36,805 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:08:36,806 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:08:36,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:08:36,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:08:36,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:08:36,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:08:36,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:08:36,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:08:36,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:08:36,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:08:36,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-15 21:08:36,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:08:36,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:08:36,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:08:36,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:08:36,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:08:36,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:08:36,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:08:36,849 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:08:36,849 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:08:36,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:08:36,850 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:08:36,850 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:08:36,850 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:08:36,851 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:08:36,851 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:08:36,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:08:36,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:08:36,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:08:36,852 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:08:36,852 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:08:36,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:08:36,853 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:08:36,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:08:36,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:08:36,854 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:08:36,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:08:36,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:08:36,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:08:36,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:08:36,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:08:36,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:08:36,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:08:36,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:08:36,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:08:37,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:08:37,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:08:37,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:08:37,452 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:08:37,453 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:08:37,455 INFO L432 ainManager$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 [2022-10-15 21:08:37,541 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d62462b8/13cc5fcc1a0942e69442642f6dc5b083/FLAG282a75ad1 [2022-10-15 21:08:38,928 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:08:38,929 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 [2022-10-15 21:08:39,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d62462b8/13cc5fcc1a0942e69442642f6dc5b083/FLAG282a75ad1 [2022-10-15 21:08:39,084 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d62462b8/13cc5fcc1a0942e69442642f6dc5b083 [2022-10-15 21:08:39,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:08:39,099 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:08:39,106 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:08:39,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:08:39,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:08:39,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:08:39" (1/1) ... [2022-10-15 21:08:39,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f5576f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:39, skipping insertion in model container [2022-10-15 21:08:39,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:08:39" (1/1) ... [2022-10-15 21:08:39,125 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:08:39,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:08:41,943 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] [2022-10-15 21:08:42,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:08:42,487 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:08:42,999 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] [2022-10-15 21:08:43,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:08:44,048 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:08:44,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44 WrapperNode [2022-10-15 21:08:44,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:08:44,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:08:44,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:08:44,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:08:44,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:44,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:44,653 INFO L138 Inliner]: procedures = 243, calls = 6386, calls flagged for inlining = 118, calls inlined = 80, statements flattened = 7355 [2022-10-15 21:08:44,653 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:08:44,654 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:08:44,655 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:08:44,655 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:08:44,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:44,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:44,738 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:44,739 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:45,146 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:45,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:45,230 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:45,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:45,324 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:08:45,325 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:08:45,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:08:45,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:08:45,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (1/1) ... [2022-10-15 21:08:45,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:08:45,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:08:45,377 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) [2022-10-15 21:08:45,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-15 21:08:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_enable [2022-10-15 21:08:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_enable [2022-10-15 21:08:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:08:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:08:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2022-10-15 21:08:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_lock_of_w83793_data [2022-10-15 21:08:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_write_value [2022-10-15 21:08:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_write_value [2022-10-15 21:08:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_watchdog_data_mutex [2022-10-15 21:08:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_watchdog_data_mutex [2022-10-15 21:08:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure w83793_read_value [2022-10-15 21:08:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure w83793_read_value [2022-10-15 21:08:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2022-10-15 21:08:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2022-10-15 21:08:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:08:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:08:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:08:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:08:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-10-15 21:08:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-10-15 21:08:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-10-15 21:08:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-10-15 21:08:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:08:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:08:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:08:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-10-15 21:08:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-10-15 21:08:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:08:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-10-15 21:08:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:08:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:08:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:08:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:08:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_unregister_device [2022-10-15 21:08:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_unregister_device [2022-10-15 21:08:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-10-15 21:08:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-10-15 21:08:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-10-15 21:08:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-10-15 21:08:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-10-15 21:08:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-10-15 21:08:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:08:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-10-15 21:08:45,570 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-10-15 21:08:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-10-15 21:08:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-10-15 21:08:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2022-10-15 21:08:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_lock_of_w83793_data [2022-10-15 21:08:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:08:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-10-15 21:08:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-10-15 21:08:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:08:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:08:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:08:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:08:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:08:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_watchdog_data_mutex [2022-10-15 21:08:45,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_watchdog_data_mutex [2022-10-15 21:08:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_disable [2022-10-15 21:08:45,575 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_disable [2022-10-15 21:08:45,575 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-10-15 21:08:45,576 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-10-15 21:08:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure hwmon_device_unregister [2022-10-15 21:08:45,576 INFO L138 BoogieDeclarations]: Found implementation of procedure hwmon_device_unregister [2022-10-15 21:08:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_new_dummy [2022-10-15 21:08:45,576 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_new_dummy [2022-10-15 21:08:45,576 INFO L130 BoogieDeclarations]: Found specification of procedure watchdog_trigger [2022-10-15 21:08:45,577 INFO L138 BoogieDeclarations]: Found implementation of procedure watchdog_trigger [2022-10-15 21:08:45,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:08:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-10-15 21:08:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-10-15 21:08:45,578 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-10-15 21:08:45,578 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-10-15 21:08:45,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:08:45,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:08:46,151 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:08:46,155 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:09:07,080 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:09:07,099 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:09:07,100 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-15 21:09:07,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:09:07 BoogieIcfgContainer [2022-10-15 21:09:07,105 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:09:07,108 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:09:07,108 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:09:07,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:09:07,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:08:39" (1/3) ... [2022-10-15 21:09:07,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19900055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:09:07, skipping insertion in model container [2022-10-15 21:09:07,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:08:44" (2/3) ... [2022-10-15 21:09:07,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19900055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:09:07, skipping insertion in model container [2022-10-15 21:09:07,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:09:07" (3/3) ... [2022-10-15 21:09:07,118 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--hwmon--w83793.ko-ldv_main0.cil.out.i [2022-10-15 21:09:07,145 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:09:07,145 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 84 error locations. [2022-10-15 21:09:07,242 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:09:07,251 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;@65ddf822, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:09:07,251 INFO L358 AbstractCegarLoop]: Starting to check reachability of 84 error locations. [2022-10-15 21:09:07,262 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) [2022-10-15 21:09:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-15 21:09:07,285 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:09:07,286 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] [2022-10-15 21:09:07,288 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)] === [2022-10-15 21:09:07,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:09:07,299 INFO L85 PathProgramCache]: Analyzing trace with hash 151429648, now seen corresponding path program 1 times [2022-10-15 21:09:07,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:09:07,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955225258] [2022-10-15 21:09:07,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:09:07,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:09:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-10-15 21:09:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:10,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-10-15 21:09:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:09:10,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:09:10,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955225258] [2022-10-15 21:09:10,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955225258] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:09:10,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:09:10,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:09:10,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438491940] [2022-10-15 21:09:10,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:09:10,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:09:10,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:09:10,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:09:10,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:09:10,915 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) [2022-10-15 21:09:11,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:09:11,261 INFO L93 Difference]: Finished difference Result 2298 states and 3339 transitions. [2022-10-15 21:09:11,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:09:11,266 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 [2022-10-15 21:09:11,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:09:11,301 INFO L225 Difference]: With dead ends: 2298 [2022-10-15 21:09:11,301 INFO L226 Difference]: Without dead ends: 1404 [2022-10-15 21:09:11,319 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 [2022-10-15 21:09:11,325 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 [2022-10-15 21:09:11,328 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] [2022-10-15 21:09:11,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2022-10-15 21:09:11,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1328. [2022-10-15 21:09:11,617 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) [2022-10-15 21:09:11,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 1958 transitions. [2022-10-15 21:09:11,643 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 1958 transitions. Word has length 25 [2022-10-15 21:09:11,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:09:11,644 INFO L495 AbstractCegarLoop]: Abstraction has 1328 states and 1958 transitions. [2022-10-15 21:09:11,645 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) [2022-10-15 21:09:11,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1958 transitions. [2022-10-15 21:09:11,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-15 21:09:11,657 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:09:11,658 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] [2022-10-15 21:09:11,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:09:11,659 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)] === [2022-10-15 21:09:11,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:09:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash -466611160, now seen corresponding path program 1 times [2022-10-15 21:09:11,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:09:11,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504113527] [2022-10-15 21:09:11,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:09:11,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:09:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:09:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:09:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:14,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:09:14,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:09:14,340 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504113527] [2022-10-15 21:09:14,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504113527] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:09:14,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:09:14,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:09:14,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926553989] [2022-10-15 21:09:14,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:09:14,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:09:14,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:09:14,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:09:14,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:09:14,350 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) [2022-10-15 21:09:16,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:09:18,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:09:19,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:09:19,672 INFO L93 Difference]: Finished difference Result 3149 states and 4747 transitions. [2022-10-15 21:09:19,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:09:19,674 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 [2022-10-15 21:09:19,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:09:19,703 INFO L225 Difference]: With dead ends: 3149 [2022-10-15 21:09:19,704 INFO L226 Difference]: Without dead ends: 1824 [2022-10-15 21:09:19,714 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 [2022-10-15 21:09:19,716 INFO L413 NwaCegarLoop]: 1452 mSDtfsCounter, 720 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 196 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 858 SdHoareTripleChecker+Valid, 3057 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 196 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:09:19,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [858 Valid, 3057 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [196 Valid, 442 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2022-10-15 21:09:19,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2022-10-15 21:09:19,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1755. [2022-10-15 21:09:19,858 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) [2022-10-15 21:09:19,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1755 states to 1755 states and 2634 transitions. [2022-10-15 21:09:19,876 INFO L78 Accepts]: Start accepts. Automaton has 1755 states and 2634 transitions. Word has length 28 [2022-10-15 21:09:19,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:09:19,877 INFO L495 AbstractCegarLoop]: Abstraction has 1755 states and 2634 transitions. [2022-10-15 21:09:19,878 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) [2022-10-15 21:09:19,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2634 transitions. [2022-10-15 21:09:19,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-15 21:09:19,880 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:09:19,881 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] [2022-10-15 21:09:19,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:09:19,881 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)] === [2022-10-15 21:09:19,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:09:19,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1077527771, now seen corresponding path program 1 times [2022-10-15 21:09:19,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:09:19,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434549564] [2022-10-15 21:09:19,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:09:19,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:09:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:22,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:09:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:22,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:09:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:09:22,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:09:22,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434549564] [2022-10-15 21:09:22,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434549564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:09:22,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:09:22,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 21:09:23,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631048050] [2022-10-15 21:09:23,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:09:23,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 21:09:23,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:09:23,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 21:09:23,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:09:23,004 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) [2022-10-15 21:09:23,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:09:23,785 INFO L93 Difference]: Finished difference Result 6501 states and 9907 transitions. [2022-10-15 21:09:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:09:23,787 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 [2022-10-15 21:09:23,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:09:23,838 INFO L225 Difference]: With dead ends: 6501 [2022-10-15 21:09:23,839 INFO L226 Difference]: Without dead ends: 4749 [2022-10-15 21:09:23,853 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 [2022-10-15 21:09:23,862 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, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:09:23,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2327 Valid, 7886 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [367 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:09:23,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4749 states. [2022-10-15 21:09:24,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4749 to 1761. [2022-10-15 21:09:24,100 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) [2022-10-15 21:09:24,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2640 transitions. [2022-10-15 21:09:24,121 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2640 transitions. Word has length 32 [2022-10-15 21:09:24,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:09:24,122 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2640 transitions. [2022-10-15 21:09:24,122 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) [2022-10-15 21:09:24,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2640 transitions. [2022-10-15 21:09:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-15 21:09:24,125 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:09:24,125 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] [2022-10-15 21:09:24,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:09:24,126 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)] === [2022-10-15 21:09:24,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:09:24,127 INFO L85 PathProgramCache]: Analyzing trace with hash 684500761, now seen corresponding path program 1 times [2022-10-15 21:09:24,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:09:24,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12383624] [2022-10-15 21:09:24,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:09:24,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:09:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-10-15 21:09:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:25,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-10-15 21:09:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:09:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:09:25,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:09:25,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12383624] [2022-10-15 21:09:25,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12383624] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:09:25,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:09:25,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:09:25,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360154912] [2022-10-15 21:09:25,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:09:25,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:09:25,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:09:25,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:09:25,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:09:25,688 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) [2022-10-15 21:09:25,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:09:25,890 INFO L93 Difference]: Finished difference Result 3521 states and 5279 transitions. [2022-10-15 21:09:25,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:09:25,891 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 [2022-10-15 21:09:25,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:09:25,912 INFO L225 Difference]: With dead ends: 3521 [2022-10-15 21:09:25,913 INFO L226 Difference]: Without dead ends: 1763 [2022-10-15 21:09:25,923 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 [2022-10-15 21:09:25,933 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 [2022-10-15 21:09:25,935 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] [2022-10-15 21:09:25,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2022-10-15 21:09:26,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1761. [2022-10-15 21:09:26,085 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) [2022-10-15 21:09:26,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2634 transitions. [2022-10-15 21:09:26,110 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2634 transitions. Word has length 32 [2022-10-15 21:09:26,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:09:26,111 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2634 transitions. [2022-10-15 21:09:26,111 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) [2022-10-15 21:09:26,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2634 transitions. [2022-10-15 21:09:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-15 21:09:26,117 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:09:26,117 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] [2022-10-15 21:09:26,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:09:26,118 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)] === [2022-10-15 21:09:26,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:09:26,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1314354476, now seen corresponding path program 1 times [2022-10-15 21:09:26,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:09:26,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471335499] [2022-10-15 21:09:26,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:09:26,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:09:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat