/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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:16:48,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:16:48,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:16:48,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:16:48,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:16:48,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:16:48,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:16:48,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:16:48,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:16:48,595 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:16:48,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:16:48,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:16:48,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:16:48,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:16:48,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:16:48,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:16:48,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:16:48,625 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:16:48,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:16:48,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:16:48,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:16:48,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:16:48,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:16:48,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:16:48,643 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:16:48,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:16:48,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:16:48,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:16:48,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:16:48,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:16:48,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:16:48,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:16:48,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:16:48,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:16:48,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:16:48,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:16:48,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:16:48,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:16:48,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:16:48,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:16:48,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:16:48,661 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 21:16:48,697 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:16:48,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:16:48,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:16:48,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:16:48,700 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:16:48,700 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:16:48,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:16:48,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:16:48,702 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:16:48,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:16:48,703 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:16:48,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:16:48,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:16:48,704 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:16:48,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:16:48,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:16:48,705 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:16:48,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:16:48,705 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:16:48,705 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:16:48,706 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:16:48,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:16:48,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:16:48,707 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:16:48,707 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:16:48,707 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:16:48,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:16:48,708 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:16:48,708 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:16:48,708 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:16:48,709 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:16:48,709 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:16:48,710 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:16:48,710 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:16:49,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:16:49,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:16:49,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:16:49,193 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:16:49,194 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:16:49,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2022-10-15 21:16:49,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8fbc7e72/248c9308c9174425a82fcb0832be5db2/FLAG4780c6f41 [2022-10-15 21:16:50,452 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:16:50,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2022-10-15 21:16:50,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8fbc7e72/248c9308c9174425a82fcb0832be5db2/FLAG4780c6f41 [2022-10-15 21:16:50,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8fbc7e72/248c9308c9174425a82fcb0832be5db2 [2022-10-15 21:16:50,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:16:50,953 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:16:50,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:16:50,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:16:50,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:16:50,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:16:50" (1/1) ... [2022-10-15 21:16:50,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4040709a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:50, skipping insertion in model container [2022-10-15 21:16:50,967 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:16:50" (1/1) ... [2022-10-15 21:16:50,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:16:51,072 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:16:51,718 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2022-10-15 21:16:51,719 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3071-3072] [2022-10-15 21:16:51,915 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i[91143,91156] [2022-10-15 21:16:52,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:16:52,478 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:16:52,564 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2022-10-15 21:16:52,565 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3071-3072] [2022-10-15 21:16:52,577 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-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i[91143,91156] [2022-10-15 21:16:52,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:16:52,859 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:16:52,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52 WrapperNode [2022-10-15 21:16:52,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:16:52,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:16:52,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:16:52,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:16:52,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:52,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:53,146 INFO L138 Inliner]: procedures = 111, calls = 512, calls flagged for inlining = 41, calls inlined = 39, statements flattened = 1235 [2022-10-15 21:16:53,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:16:53,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:16:53,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:16:53,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:16:53,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:53,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:53,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:53,216 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:53,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:53,322 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:53,335 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:53,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:53,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:16:53,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:16:53,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:16:53,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:16:53,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (1/1) ... [2022-10-15 21:16:53,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:16:53,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:16:53,421 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 21:16:53,446 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 21:16:53,513 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-10-15 21:16:53,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-10-15 21:16:53,515 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-10-15 21:16:53,515 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-10-15 21:16:53,516 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-10-15 21:16:53,516 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-10-15 21:16:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-10-15 21:16:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-10-15 21:16:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-15 21:16:53,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-15 21:16:53,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:16:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-10-15 21:16:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-10-15 21:16:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:16:53,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:16:53,518 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2022-10-15 21:16:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2022-10-15 21:16:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2022-10-15 21:16:53,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2022-10-15 21:16:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:16:53,519 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:16:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:16:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2022-10-15 21:16:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2022-10-15 21:16:53,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:16:53,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:16:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:16:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:16:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 21:16:53,521 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 21:16:53,521 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 21:16:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 21:16:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:16:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:16:53,522 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:16:53,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:16:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:16:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:16:53,523 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-10-15 21:16:53,523 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-10-15 21:16:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2022-10-15 21:16:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2022-10-15 21:16:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-15 21:16:53,524 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-15 21:16:53,524 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-15 21:16:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:16:53,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2022-10-15 21:16:53,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2022-10-15 21:16:53,526 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2022-10-15 21:16:53,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2022-10-15 21:16:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2022-10-15 21:16:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2022-10-15 21:16:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-10-15 21:16:53,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-10-15 21:16:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:16:53,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:16:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-10-15 21:16:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-10-15 21:16:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-10-15 21:16:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-10-15 21:16:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:16:53,532 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:16:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2022-10-15 21:16:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2022-10-15 21:16:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-10-15 21:16:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-10-15 21:16:53,534 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2022-10-15 21:16:53,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2022-10-15 21:16:53,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:16:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-15 21:16:53,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-15 21:16:53,536 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:16:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:16:53,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:16:53,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:16:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-10-15 21:16:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-10-15 21:16:53,538 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-15 21:16:53,538 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-15 21:16:54,220 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:16:54,226 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:16:55,321 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-15 21:16:57,008 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:16:57,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:16:57,056 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:16:57,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:16:57 BoogieIcfgContainer [2022-10-15 21:16:57,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:16:57,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:16:57,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:16:57,074 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:16:57,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:16:50" (1/3) ... [2022-10-15 21:16:57,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3449cef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:16:57, skipping insertion in model container [2022-10-15 21:16:57,076 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:16:52" (2/3) ... [2022-10-15 21:16:57,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3449cef0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:16:57, skipping insertion in model container [2022-10-15 21:16:57,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:16:57" (3/3) ... [2022-10-15 21:16:57,079 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2022-10-15 21:16:57,107 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:16:57,108 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2022-10-15 21:16:57,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:16:57,236 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;@6493f50, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:16:57,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2022-10-15 21:16:57,249 INFO L276 IsEmpty]: Start isEmpty. Operand has 618 states, 420 states have (on average 1.4785714285714286) internal successors, (621), 495 states have internal predecessors, (621), 97 states have call successors, (97), 33 states have call predecessors, (97), 32 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2022-10-15 21:16:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:16:57,269 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:16:57,271 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-10-15 21:16:57,272 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:16:57,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:16:57,281 INFO L85 PathProgramCache]: Analyzing trace with hash 915949461, now seen corresponding path program 1 times [2022-10-15 21:16:57,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:16:57,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601011015] [2022-10-15 21:16:57,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:16:57,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:16:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:58,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:16:58,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:58,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:16:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:16:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:58,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:16:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:16:58,169 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:16:58,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:16:58,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601011015] [2022-10-15 21:16:58,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601011015] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:16:58,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:16:58,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:16:58,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513412951] [2022-10-15 21:16:58,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:16:58,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:16:58,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:16:58,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:16:58,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:16:58,259 INFO L87 Difference]: Start difference. First operand has 618 states, 420 states have (on average 1.4785714285714286) internal successors, (621), 495 states have internal predecessors, (621), 97 states have call successors, (97), 33 states have call predecessors, (97), 32 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:17:01,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:01,759 INFO L93 Difference]: Finished difference Result 1714 states and 2304 transitions. [2022-10-15 21:17:01,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:17:01,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2022-10-15 21:17:01,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:01,796 INFO L225 Difference]: With dead ends: 1714 [2022-10-15 21:17:01,796 INFO L226 Difference]: Without dead ends: 1081 [2022-10-15 21:17:01,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:17:01,823 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 834 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:01,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 1671 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-10-15 21:17:01,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2022-10-15 21:17:02,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1013. [2022-10-15 21:17:02,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 722 states have (on average 1.4362880886426592) internal successors, (1037), 794 states have internal predecessors, (1037), 163 states have call successors, (163), 60 states have call predecessors, (163), 60 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2022-10-15 21:17:02,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1363 transitions. [2022-10-15 21:17:02,071 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1363 transitions. Word has length 37 [2022-10-15 21:17:02,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:02,073 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1363 transitions. [2022-10-15 21:17:02,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:17:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1363 transitions. [2022-10-15 21:17:02,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 21:17:02,084 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:02,085 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-10-15 21:17:02,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:17:02,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:02,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2137779125, now seen corresponding path program 1 times [2022-10-15 21:17:02,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:02,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401963952] [2022-10-15 21:17:02,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:02,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:02,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:02,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:02,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:02,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-15 21:17:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:02,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:02,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401963952] [2022-10-15 21:17:02,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401963952] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:02,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:17:02,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:17:02,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124093583] [2022-10-15 21:17:02,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:02,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:02,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:02,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:02,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:17:02,419 INFO L87 Difference]: Start difference. First operand 1013 states and 1363 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 21:17:05,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:05,928 INFO L93 Difference]: Finished difference Result 2421 states and 3226 transitions. [2022-10-15 21:17:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:17:05,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2022-10-15 21:17:05,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:05,944 INFO L225 Difference]: With dead ends: 2421 [2022-10-15 21:17:05,944 INFO L226 Difference]: Without dead ends: 1428 [2022-10-15 21:17:05,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:17:05,953 INFO L413 NwaCegarLoop]: 961 mSDtfsCounter, 574 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:05,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 1857 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-10-15 21:17:05,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2022-10-15 21:17:06,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1332. [2022-10-15 21:17:06,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 968 states have (on average 1.4349173553719008) internal successors, (1389), 1042 states have internal predecessors, (1389), 214 states have call successors, (214), 82 states have call predecessors, (214), 82 states have return successors, (214), 214 states have call predecessors, (214), 214 states have call successors, (214) [2022-10-15 21:17:06,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1817 transitions. [2022-10-15 21:17:06,062 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1817 transitions. Word has length 41 [2022-10-15 21:17:06,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:06,063 INFO L495 AbstractCegarLoop]: Abstraction has 1332 states and 1817 transitions. [2022-10-15 21:17:06,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 21:17:06,063 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1817 transitions. [2022-10-15 21:17:06,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-15 21:17:06,065 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:06,065 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-10-15 21:17:06,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:17:06,067 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:06,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:06,068 INFO L85 PathProgramCache]: Analyzing trace with hash -550283211, now seen corresponding path program 1 times [2022-10-15 21:17:06,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:06,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834470898] [2022-10-15 21:17:06,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:06,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:06,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:06,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:06,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:06,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:06,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:17:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:06,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:06,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834470898] [2022-10-15 21:17:06,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834470898] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:06,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:17:06,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:17:06,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442641921] [2022-10-15 21:17:06,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:06,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:06,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:06,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:06,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:17:06,343 INFO L87 Difference]: Start difference. First operand 1332 states and 1817 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 21:17:08,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:08,629 INFO L93 Difference]: Finished difference Result 2687 states and 3686 transitions. [2022-10-15 21:17:08,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:17:08,630 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), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2022-10-15 21:17:08,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:08,653 INFO L225 Difference]: With dead ends: 2687 [2022-10-15 21:17:08,653 INFO L226 Difference]: Without dead ends: 1387 [2022-10-15 21:17:08,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 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 21:17:08,680 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 105 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:08,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 1663 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-15 21:17:08,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2022-10-15 21:17:08,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1354. [2022-10-15 21:17:08,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 988 states have (on average 1.4321862348178138) internal successors, (1415), 1062 states have internal predecessors, (1415), 216 states have call successors, (216), 82 states have call predecessors, (216), 82 states have return successors, (216), 216 states have call predecessors, (216), 216 states have call successors, (216) [2022-10-15 21:17:08,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1847 transitions. [2022-10-15 21:17:08,789 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1847 transitions. Word has length 43 [2022-10-15 21:17:08,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:08,790 INFO L495 AbstractCegarLoop]: Abstraction has 1354 states and 1847 transitions. [2022-10-15 21:17:08,790 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), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 21:17:08,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1847 transitions. [2022-10-15 21:17:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-15 21:17:08,797 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:08,797 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1] [2022-10-15 21:17:08,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:17:08,798 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:08,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:08,798 INFO L85 PathProgramCache]: Analyzing trace with hash 404000190, now seen corresponding path program 1 times [2022-10-15 21:17:08,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:08,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783872258] [2022-10-15 21:17:08,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:08,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:09,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:09,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:09,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:09,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:17:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:09,142 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:09,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:09,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783872258] [2022-10-15 21:17:09,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783872258] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:09,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:17:09,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:17:09,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943468697] [2022-10-15 21:17:09,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:09,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:09,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:09,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:09,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:17:09,149 INFO L87 Difference]: Start difference. First operand 1354 states and 1847 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 21:17:13,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:13,381 INFO L93 Difference]: Finished difference Result 3982 states and 5448 transitions. [2022-10-15 21:17:13,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 21:17:13,382 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-10-15 21:17:13,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:13,405 INFO L225 Difference]: With dead ends: 3982 [2022-10-15 21:17:13,405 INFO L226 Difference]: Without dead ends: 2660 [2022-10-15 21:17:13,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:17:13,415 INFO L413 NwaCegarLoop]: 1238 mSDtfsCounter, 797 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:13,416 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 2295 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-10-15 21:17:13,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2022-10-15 21:17:13,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2475. [2022-10-15 21:17:13,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 1843 states have (on average 1.4291915355398805) internal successors, (2634), 1923 states have internal predecessors, (2634), 407 states have call successors, (407), 157 states have call predecessors, (407), 157 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2022-10-15 21:17:13,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3448 transitions. [2022-10-15 21:17:13,602 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3448 transitions. Word has length 46 [2022-10-15 21:17:13,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:13,603 INFO L495 AbstractCegarLoop]: Abstraction has 2475 states and 3448 transitions. [2022-10-15 21:17:13,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-15 21:17:13,604 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3448 transitions. [2022-10-15 21:17:13,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-15 21:17:13,606 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:13,607 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:13,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:17:13,608 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:13,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:13,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1420230450, now seen corresponding path program 1 times [2022-10-15 21:17:13,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:13,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033040236] [2022-10-15 21:17:13,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:13,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:13,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:13,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:13,935 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:13,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:13,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033040236] [2022-10-15 21:17:13,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033040236] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:13,936 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:17:13,936 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 21:17:13,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700639290] [2022-10-15 21:17:13,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:13,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:13,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:13,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:13,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:17:13,939 INFO L87 Difference]: Start difference. First operand 2475 states and 3448 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:17:16,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:16,026 INFO L93 Difference]: Finished difference Result 4976 states and 6952 transitions. [2022-10-15 21:17:16,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:17:16,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49 [2022-10-15 21:17:16,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:16,049 INFO L225 Difference]: With dead ends: 4976 [2022-10-15 21:17:16,050 INFO L226 Difference]: Without dead ends: 2533 [2022-10-15 21:17:16,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:17:16,064 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 778 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:16,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 1077 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-15 21:17:16,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2022-10-15 21:17:16,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2081. [2022-10-15 21:17:16,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 1542 states have (on average 1.4254215304798963) internal successors, (2198), 1620 states have internal predecessors, (2198), 340 states have call successors, (340), 131 states have call predecessors, (340), 131 states have return successors, (340), 340 states have call predecessors, (340), 340 states have call successors, (340) [2022-10-15 21:17:16,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2878 transitions. [2022-10-15 21:17:16,244 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2878 transitions. Word has length 49 [2022-10-15 21:17:16,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:16,245 INFO L495 AbstractCegarLoop]: Abstraction has 2081 states and 2878 transitions. [2022-10-15 21:17:16,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-15 21:17:16,246 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2878 transitions. [2022-10-15 21:17:16,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-15 21:17:16,247 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:16,247 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:16,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:17:16,248 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:16,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:16,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1905079542, now seen corresponding path program 1 times [2022-10-15 21:17:16,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:16,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262467920] [2022-10-15 21:17:16,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:16,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:16,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:16,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:16,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:16,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:17:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:16,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:17:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:16,554 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-15 21:17:16,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:16,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262467920] [2022-10-15 21:17:16,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262467920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:16,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:17:16,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:17:16,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119506895] [2022-10-15 21:17:16,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:16,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:16,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:16,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:16,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 21:17:16,559 INFO L87 Difference]: Start difference. First operand 2081 states and 2878 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:17:18,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-15 21:17:19,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:19,978 INFO L93 Difference]: Finished difference Result 2130 states and 2957 transitions. [2022-10-15 21:17:19,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:17:19,979 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2022-10-15 21:17:19,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:20,001 INFO L225 Difference]: With dead ends: 2130 [2022-10-15 21:17:20,002 INFO L226 Difference]: Without dead ends: 2128 [2022-10-15 21:17:20,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 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 21:17:20,005 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 107 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:20,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1644 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-10-15 21:17:20,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2022-10-15 21:17:20,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2079. [2022-10-15 21:17:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2079 states, 1542 states have (on average 1.4202334630350195) internal successors, (2190), 1618 states have internal predecessors, (2190), 340 states have call successors, (340), 131 states have call predecessors, (340), 131 states have return successors, (340), 340 states have call predecessors, (340), 340 states have call successors, (340) [2022-10-15 21:17:20,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2870 transitions. [2022-10-15 21:17:20,174 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2870 transitions. Word has length 55 [2022-10-15 21:17:20,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:20,175 INFO L495 AbstractCegarLoop]: Abstraction has 2079 states and 2870 transitions. [2022-10-15 21:17:20,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 21:17:20,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2870 transitions. [2022-10-15 21:17:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 21:17:20,177 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:20,177 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:20,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:17:20,178 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:20,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:20,178 INFO L85 PathProgramCache]: Analyzing trace with hash 1072077319, now seen corresponding path program 1 times [2022-10-15 21:17:20,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:20,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369021144] [2022-10-15 21:17:20,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:20,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:20,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:20,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:20,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:17:20,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-15 21:17:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:20,562 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-15 21:17:20,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:20,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369021144] [2022-10-15 21:17:20,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369021144] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:17:20,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [740155282] [2022-10-15 21:17:20,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:20,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:17:20,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:17:20,566 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:17:20,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 21:17:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:20,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:17:20,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:17:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-15 21:17:21,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:17:21,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [740155282] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:21,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:17:21,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 21:17:21,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998005450] [2022-10-15 21:17:21,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:21,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:21,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:21,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:21,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:17:21,049 INFO L87 Difference]: Start difference. First operand 2079 states and 2870 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-15 21:17:21,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:21,355 INFO L93 Difference]: Finished difference Result 2093 states and 2888 transitions. [2022-10-15 21:17:21,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:17:21,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 56 [2022-10-15 21:17:21,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:21,394 INFO L225 Difference]: With dead ends: 2093 [2022-10-15 21:17:21,394 INFO L226 Difference]: Without dead ends: 2091 [2022-10-15 21:17:21,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:17:21,398 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 483 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:21,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 1323 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:17:21,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2022-10-15 21:17:21,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 2053. [2022-10-15 21:17:21,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2053 states, 1520 states have (on average 1.4197368421052632) internal successors, (2158), 1594 states have internal predecessors, (2158), 338 states have call successors, (338), 131 states have call predecessors, (338), 131 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2022-10-15 21:17:21,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 2834 transitions. [2022-10-15 21:17:21,576 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 2834 transitions. Word has length 56 [2022-10-15 21:17:21,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:21,576 INFO L495 AbstractCegarLoop]: Abstraction has 2053 states and 2834 transitions. [2022-10-15 21:17:21,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-15 21:17:21,577 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2834 transitions. [2022-10-15 21:17:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 21:17:21,578 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:21,578 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:21,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 21:17:21,793 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 [2022-10-15 21:17:21,794 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:21,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:21,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1449682843, now seen corresponding path program 1 times [2022-10-15 21:17:21,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:21,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726780029] [2022-10-15 21:17:21,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:21,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:21,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:17:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,116 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:22,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:22,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726780029] [2022-10-15 21:17:22,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726780029] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:17:22,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410264191] [2022-10-15 21:17:22,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:22,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:17:22,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:17:22,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:17:22,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 21:17:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:22,434 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:17:22,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:17:22,460 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-15 21:17:22,460 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:17:22,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410264191] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:22,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:17:22,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-10-15 21:17:22,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270404814] [2022-10-15 21:17:22,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:22,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:17:22,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:22,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:17:22,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:17:22,466 INFO L87 Difference]: Start difference. First operand 2053 states and 2834 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-15 21:17:22,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:22,629 INFO L93 Difference]: Finished difference Result 4075 states and 5635 transitions. [2022-10-15 21:17:22,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:17:22,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 56 [2022-10-15 21:17:22,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:22,649 INFO L225 Difference]: With dead ends: 4075 [2022-10-15 21:17:22,649 INFO L226 Difference]: Without dead ends: 2054 [2022-10-15 21:17:22,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:17:22,662 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 14 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:22,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1525 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:17:22,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2022-10-15 21:17:22,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2054. [2022-10-15 21:17:22,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 1522 states have (on average 1.4178712220762155) internal successors, (2158), 1595 states have internal predecessors, (2158), 338 states have call successors, (338), 131 states have call predecessors, (338), 131 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2022-10-15 21:17:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2834 transitions. [2022-10-15 21:17:22,857 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2834 transitions. Word has length 56 [2022-10-15 21:17:22,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:22,859 INFO L495 AbstractCegarLoop]: Abstraction has 2054 states and 2834 transitions. [2022-10-15 21:17:22,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-15 21:17:22,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2834 transitions. [2022-10-15 21:17:22,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-15 21:17:22,861 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:22,861 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:22,911 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 21:17:23,076 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 [2022-10-15 21:17:23,076 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:23,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:23,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1990496232, now seen corresponding path program 1 times [2022-10-15 21:17:23,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:23,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591773973] [2022-10-15 21:17:23,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:23,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:23,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:17:23,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,410 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:23,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:23,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591773973] [2022-10-15 21:17:23,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591773973] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:17:23,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027675426] [2022-10-15 21:17:23,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:23,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:17:23,412 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:17:23,413 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:17:23,424 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 21:17:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:23,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:17:23,766 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:17:23,791 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-15 21:17:23,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:17:23,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027675426] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:23,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:17:23,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-10-15 21:17:23,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421326007] [2022-10-15 21:17:23,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:23,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:17:23,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:23,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:17:23,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:17:23,796 INFO L87 Difference]: Start difference. First operand 2054 states and 2834 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-15 21:17:23,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:23,932 INFO L93 Difference]: Finished difference Result 2274 states and 3127 transitions. [2022-10-15 21:17:23,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:17:23,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2022-10-15 21:17:23,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:23,955 INFO L225 Difference]: With dead ends: 2274 [2022-10-15 21:17:23,955 INFO L226 Difference]: Without dead ends: 2273 [2022-10-15 21:17:23,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:17:23,961 INFO L413 NwaCegarLoop]: 1023 mSDtfsCounter, 228 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:23,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1795 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:17:23,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2022-10-15 21:17:24,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2053. [2022-10-15 21:17:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2053 states, 1522 states have (on average 1.416557161629435) internal successors, (2156), 1594 states have internal predecessors, (2156), 338 states have call successors, (338), 131 states have call predecessors, (338), 131 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2022-10-15 21:17:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 2832 transitions. [2022-10-15 21:17:24,143 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 2832 transitions. Word has length 57 [2022-10-15 21:17:24,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:24,144 INFO L495 AbstractCegarLoop]: Abstraction has 2053 states and 2832 transitions. [2022-10-15 21:17:24,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-15 21:17:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2832 transitions. [2022-10-15 21:17:24,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-15 21:17:24,146 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:24,146 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:24,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-15 21:17:24,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:17:24,359 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:24,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:24,361 INFO L85 PathProgramCache]: Analyzing trace with hash -770004083, now seen corresponding path program 1 times [2022-10-15 21:17:24,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:24,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403661861] [2022-10-15 21:17:24,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:24,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:24,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:24,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:24,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:17:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:24,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:17:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:24,687 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-15 21:17:24,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:24,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403661861] [2022-10-15 21:17:24,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403661861] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:17:24,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974712204] [2022-10-15 21:17:24,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:24,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:17:24,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:17:24,691 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:17:24,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 21:17:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:25,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:17:25,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:17:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:25,211 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:17:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-15 21:17:25,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974712204] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:17:25,319 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:17:25,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-15 21:17:25,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727064359] [2022-10-15 21:17:25,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:17:25,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:17:25,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:25,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:17:25,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:17:25,322 INFO L87 Difference]: Start difference. First operand 2053 states and 2832 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 6 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-10-15 21:17:33,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:33,697 INFO L93 Difference]: Finished difference Result 6530 states and 8908 transitions. [2022-10-15 21:17:33,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 21:17:33,698 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 6 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 60 [2022-10-15 21:17:33,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:33,753 INFO L225 Difference]: With dead ends: 6530 [2022-10-15 21:17:33,754 INFO L226 Difference]: Without dead ends: 6529 [2022-10-15 21:17:33,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-10-15 21:17:33,762 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 3654 mSDsluCounter, 2840 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 888 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3870 SdHoareTripleChecker+Valid, 3852 SdHoareTripleChecker+Invalid, 2998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 888 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:33,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3870 Valid, 3852 Invalid, 2998 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [888 Valid, 2110 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-10-15 21:17:33,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6529 states. [2022-10-15 21:17:34,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6529 to 4316. [2022-10-15 21:17:34,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4316 states, 3248 states have (on average 1.4190270935960592) internal successors, (4609), 3332 states have internal predecessors, (4609), 728 states have call successors, (728), 278 states have call predecessors, (728), 278 states have return successors, (728), 728 states have call predecessors, (728), 728 states have call successors, (728) [2022-10-15 21:17:34,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4316 states to 4316 states and 6065 transitions. [2022-10-15 21:17:34,199 INFO L78 Accepts]: Start accepts. Automaton has 4316 states and 6065 transitions. Word has length 60 [2022-10-15 21:17:34,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:34,200 INFO L495 AbstractCegarLoop]: Abstraction has 4316 states and 6065 transitions. [2022-10-15 21:17:34,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 6 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-10-15 21:17:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4316 states and 6065 transitions. [2022-10-15 21:17:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-15 21:17:34,203 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:34,203 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:17:34,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 21:17:34,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:17:34,419 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:34,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:34,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1899678187, now seen corresponding path program 1 times [2022-10-15 21:17:34,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:34,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323701865] [2022-10-15 21:17:34,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:34,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:34,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:34,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:34,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:34,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:17:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:34,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-15 21:17:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:34,728 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-15 21:17:34,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:34,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323701865] [2022-10-15 21:17:34,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323701865] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:17:34,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606907813] [2022-10-15 21:17:34,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:34,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:17:34,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:17:34,731 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:17:34,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 21:17:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:35,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:17:35,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:17:35,148 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:35,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:17:35,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606907813] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:17:35,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:17:35,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-15 21:17:35,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790883350] [2022-10-15 21:17:35,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:17:35,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:17:35,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:35,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:17:35,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:17:35,151 INFO L87 Difference]: Start difference. First operand 4316 states and 6065 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-15 21:17:36,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:36,186 INFO L93 Difference]: Finished difference Result 9114 states and 12746 transitions. [2022-10-15 21:17:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:17:36,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 61 [2022-10-15 21:17:36,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:36,229 INFO L225 Difference]: With dead ends: 9114 [2022-10-15 21:17:36,230 INFO L226 Difference]: Without dead ends: 4830 [2022-10-15 21:17:36,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-15 21:17:36,254 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 1482 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:36,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 2048 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-15 21:17:36,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4830 states. [2022-10-15 21:17:36,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4830 to 4315. [2022-10-15 21:17:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4315 states, 3248 states have (on average 1.4147167487684729) internal successors, (4595), 3331 states have internal predecessors, (4595), 728 states have call successors, (728), 278 states have call predecessors, (728), 278 states have return successors, (728), 728 states have call predecessors, (728), 728 states have call successors, (728) [2022-10-15 21:17:36,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4315 states to 4315 states and 6051 transitions. [2022-10-15 21:17:36,611 INFO L78 Accepts]: Start accepts. Automaton has 4315 states and 6051 transitions. Word has length 61 [2022-10-15 21:17:36,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:17:36,612 INFO L495 AbstractCegarLoop]: Abstraction has 4315 states and 6051 transitions. [2022-10-15 21:17:36,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-15 21:17:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 4315 states and 6051 transitions. [2022-10-15 21:17:36,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-15 21:17:36,619 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:17:36,620 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 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 21:17:36,662 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 21:17:36,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-10-15 21:17:36,835 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting DRIVEErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-15 21:17:36,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:17:36,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1591636693, now seen corresponding path program 1 times [2022-10-15 21:17:36,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:17:36,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035660970] [2022-10-15 21:17:36,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:36,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:17:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:37,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-15 21:17:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 21:17:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:37,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-15 21:17:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:37,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-15 21:17:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-15 21:17:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-15 21:17:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:37,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 21:17:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:37,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:17:37,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035660970] [2022-10-15 21:17:37,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035660970] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:17:37,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793990049] [2022-10-15 21:17:37,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:17:37,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:17:37,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:17:37,196 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:17:37,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 21:17:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:17:37,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:17:37,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:17:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:37,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:17:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-15 21:17:37,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793990049] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:17:37,679 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:17:37,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-10-15 21:17:37,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725548809] [2022-10-15 21:17:37,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:17:37,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-15 21:17:37,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:17:37,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-15 21:17:37,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:17:37,682 INFO L87 Difference]: Start difference. First operand 4315 states and 6051 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-10-15 21:17:40,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:17:40,368 INFO L93 Difference]: Finished difference Result 8851 states and 12426 transitions. [2022-10-15 21:17:40,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:17:40,369 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 71 [2022-10-15 21:17:40,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:17:40,394 INFO L225 Difference]: With dead ends: 8851 [2022-10-15 21:17:40,394 INFO L226 Difference]: Without dead ends: 4568 [2022-10-15 21:17:40,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-15 21:17:40,416 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 163 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-10-15 21:17:40,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1661 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-10-15 21:17:40,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states.