/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 21:05:55,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 21:05:55,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 21:05:55,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 21:05:55,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 21:05:55,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 21:05:55,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 21:05:55,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 21:05:55,088 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 21:05:55,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 21:05:55,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 21:05:55,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 21:05:55,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 21:05:55,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 21:05:55,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 21:05:55,097 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 21:05:55,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 21:05:55,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 21:05:55,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 21:05:55,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 21:05:55,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 21:05:55,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 21:05:55,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 21:05:55,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 21:05:55,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-15 21:05:55,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-15 21:05:55,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-15 21:05:55,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-15 21:05:55,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-15 21:05:55,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-15 21:05:55,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 21:05:55,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 21:05:55,130 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 21:05:55,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 21:05:55,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 21:05:55,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 21:05:55,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 21:05:55,134 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 21:05:55,134 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 21:05:55,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 21:05:55,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 21:05:55,138 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 21:05:55,166 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 21:05:55,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 21:05:55,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 21:05:55,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 21:05:55,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 21:05:55,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 21:05:55,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 21:05:55,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 21:05:55,170 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 21:05:55,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 21:05:55,170 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 21:05:55,170 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 21:05:55,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 21:05:55,171 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 21:05:55,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 21:05:55,171 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 21:05:55,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 21:05:55,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 21:05:55,172 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 21:05:55,172 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 21:05:55,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 21:05:55,172 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 21:05:55,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 21:05:55,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 21:05:55,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 21:05:55,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 21:05:55,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:05:55,174 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 21:05:55,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 21:05:55,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 21:05:55,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 21:05:55,175 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 21:05:55,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 21:05:55,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 21:05:55,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 21:05:55,619 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 21:05:55,625 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 21:05:55,626 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 21:05:55,627 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 21:05:55,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-10-15 21:05:55,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50ecd936/6412529bce624bdc9df5a921a81aed8d/FLAG2b8417fc6 [2022-10-15 21:05:56,848 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 21:05:56,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-10-15 21:05:56,886 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50ecd936/6412529bce624bdc9df5a921a81aed8d/FLAG2b8417fc6 [2022-10-15 21:05:57,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a50ecd936/6412529bce624bdc9df5a921a81aed8d [2022-10-15 21:05:57,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 21:05:57,342 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 21:05:57,344 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 21:05:57,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 21:05:57,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 21:05:57,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:05:57" (1/1) ... [2022-10-15 21:05:57,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18703d30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:57, skipping insertion in model container [2022-10-15 21:05:57,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 09:05:57" (1/1) ... [2022-10-15 21:05:57,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 21:05:57,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 21:05:58,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2022-10-15 21:05:58,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:05:58,836 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 21:05:59,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i[108133,108146] [2022-10-15 21:05:59,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 21:05:59,116 INFO L208 MainTranslator]: Completed translation [2022-10-15 21:05:59,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59 WrapperNode [2022-10-15 21:05:59,117 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 21:05:59,118 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 21:05:59,119 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 21:05:59,119 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 21:05:59,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,347 INFO L138 Inliner]: procedures = 131, calls = 529, calls flagged for inlining = 47, calls inlined = 39, statements flattened = 1191 [2022-10-15 21:05:59,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 21:05:59,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 21:05:59,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 21:05:59,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 21:05:59,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,488 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 21:05:59,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 21:05:59,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 21:05:59,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 21:05:59,517 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (1/1) ... [2022-10-15 21:05:59,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 21:05:59,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:05:59,559 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 21:05:59,571 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 21:05:59,623 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-10-15 21:05:59,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-10-15 21:05:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-10-15 21:05:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-10-15 21:05:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-10-15 21:05:59,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-10-15 21:05:59,624 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-10-15 21:05:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-10-15 21:05:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 21:05:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-10-15 21:05:59,625 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-10-15 21:05:59,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-15 21:05:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-15 21:05:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2022-10-15 21:05:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2022-10-15 21:05:59,626 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2022-10-15 21:05:59,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2022-10-15 21:05:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 21:05:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-10-15 21:05:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-10-15 21:05:59,627 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-15 21:05:59,627 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-15 21:05:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2022-10-15 21:05:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2022-10-15 21:05:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-15 21:05:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-15 21:05:59,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-15 21:05:59,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-15 21:05:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-15 21:05:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-15 21:05:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-15 21:05:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-10-15 21:05:59,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-10-15 21:05:59,629 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-15 21:05:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-15 21:05:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 21:05:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2022-10-15 21:05:59,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2022-10-15 21:05:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 21:05:59,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-15 21:05:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-10-15 21:05:59,631 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-10-15 21:05:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2022-10-15 21:05:59,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2022-10-15 21:05:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-15 21:05:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-15 21:05:59,631 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2022-10-15 21:05:59,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2022-10-15 21:05:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2022-10-15 21:05:59,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2022-10-15 21:05:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-10-15 21:05:59,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-10-15 21:05:59,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 21:05:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-15 21:05:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-10-15 21:05:59,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-10-15 21:05:59,633 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-10-15 21:05:59,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-10-15 21:05:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-15 21:05:59,634 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-15 21:05:59,634 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2022-10-15 21:05:59,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2022-10-15 21:05:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-10-15 21:05:59,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-10-15 21:05:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2022-10-15 21:05:59,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2022-10-15 21:05:59,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 21:05:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-15 21:05:59,636 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-15 21:05:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 21:05:59,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 21:05:59,636 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-10-15 21:05:59,637 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-10-15 21:06:00,153 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 21:06:00,157 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 21:06:02,351 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 21:06:02,366 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 21:06:02,366 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 21:06:02,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:02 BoogieIcfgContainer [2022-10-15 21:06:02,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 21:06:02,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 21:06:02,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 21:06:02,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 21:06:02,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 09:05:57" (1/3) ... [2022-10-15 21:06:02,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1261a67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:02, skipping insertion in model container [2022-10-15 21:06:02,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 09:05:59" (2/3) ... [2022-10-15 21:06:02,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1261a67e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 09:06:02, skipping insertion in model container [2022-10-15 21:06:02,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 09:06:02" (3/3) ... [2022-10-15 21:06:02,380 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2022-10-15 21:06:02,403 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 21:06:02,403 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 72 error locations. [2022-10-15 21:06:02,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 21:06:02,504 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;@31150526, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 21:06:02,504 INFO L358 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2022-10-15 21:06:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 606 states, 417 states have (on average 1.498800959232614) internal successors, (625), 498 states have internal predecessors, (625), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2022-10-15 21:06:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-15 21:06:02,526 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:02,527 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:02,528 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:02,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:02,534 INFO L85 PathProgramCache]: Analyzing trace with hash -241316541, now seen corresponding path program 1 times [2022-10-15 21:06:02,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:02,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098657494] [2022-10-15 21:06:02,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:02,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:02,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:03,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:03,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098657494] [2022-10-15 21:06:03,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098657494] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:03,197 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:03,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:03,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124730834] [2022-10-15 21:06:03,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:03,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:03,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:03,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:03,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:03,248 INFO L87 Difference]: Start difference. First operand has 606 states, 417 states have (on average 1.498800959232614) internal successors, (625), 498 states have internal predecessors, (625), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:03,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:03,545 INFO L93 Difference]: Finished difference Result 1654 states and 2209 transitions. [2022-10-15 21:06:03,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:03,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2022-10-15 21:06:03,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:03,578 INFO L225 Difference]: With dead ends: 1654 [2022-10-15 21:06:03,579 INFO L226 Difference]: Without dead ends: 1031 [2022-10-15 21:06:03,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:03,595 INFO L413 NwaCegarLoop]: 852 mSDtfsCounter, 718 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 718 SdHoareTripleChecker+Valid, 1470 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:03,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [718 Valid, 1470 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:06:03,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1031 states. [2022-10-15 21:06:03,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1031 to 985. [2022-10-15 21:06:03,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 985 states, 714 states have (on average 1.4551820728291316) internal successors, (1039), 790 states have internal predecessors, (1039), 143 states have call successors, (143), 56 states have call predecessors, (143), 56 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2022-10-15 21:06:03,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1325 transitions. [2022-10-15 21:06:03,790 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1325 transitions. Word has length 13 [2022-10-15 21:06:03,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:03,793 INFO L495 AbstractCegarLoop]: Abstraction has 985 states and 1325 transitions. [2022-10-15 21:06:03,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:03,795 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1325 transitions. [2022-10-15 21:06:03,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-15 21:06:03,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:03,800 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:03,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 21:06:03,801 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:03,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:03,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1254186682, now seen corresponding path program 1 times [2022-10-15 21:06:03,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:03,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065403785] [2022-10-15 21:06:03,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:03,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:03,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-10-15 21:06:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:03,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:03,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:03,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065403785] [2022-10-15 21:06:03,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065403785] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:03,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:03,993 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 21:06:03,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217248365] [2022-10-15 21:06:03,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:03,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:03,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:03,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:03,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:03,999 INFO L87 Difference]: Start difference. First operand 985 states and 1325 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:04,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:04,185 INFO L93 Difference]: Finished difference Result 2349 states and 3132 transitions. [2022-10-15 21:06:04,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:04,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-10-15 21:06:04,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:04,199 INFO L225 Difference]: With dead ends: 2349 [2022-10-15 21:06:04,200 INFO L226 Difference]: Without dead ends: 1367 [2022-10-15 21:06:04,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:04,208 INFO L413 NwaCegarLoop]: 979 mSDtfsCounter, 475 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 475 SdHoareTripleChecker+Valid, 1695 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:04,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [475 Valid, 1695 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 21:06:04,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2022-10-15 21:06:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1299. [2022-10-15 21:06:04,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1299 states, 959 states have (on average 1.4588112617309699) internal successors, (1399), 1037 states have internal predecessors, (1399), 193 states have call successors, (193), 75 states have call predecessors, (193), 75 states have return successors, (193), 193 states have call predecessors, (193), 193 states have call successors, (193) [2022-10-15 21:06:04,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1299 states and 1785 transitions. [2022-10-15 21:06:04,315 INFO L78 Accepts]: Start accepts. Automaton has 1299 states and 1785 transitions. Word has length 17 [2022-10-15 21:06:04,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:04,315 INFO L495 AbstractCegarLoop]: Abstraction has 1299 states and 1785 transitions. [2022-10-15 21:06:04,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:04,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1785 transitions. [2022-10-15 21:06:04,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-15 21:06:04,317 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:04,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:04,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 21:06:04,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:04,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:04,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1876587044, now seen corresponding path program 1 times [2022-10-15 21:06:04,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:04,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565921868] [2022-10-15 21:06:04,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:04,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:04,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:04,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:04,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565921868] [2022-10-15 21:06:04,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565921868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:04,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:04,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:06:04,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774825645] [2022-10-15 21:06:04,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:04,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:04,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:04,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:04,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:04,619 INFO L87 Difference]: Start difference. First operand 1299 states and 1785 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:04,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:04,724 INFO L93 Difference]: Finished difference Result 2619 states and 3607 transitions. [2022-10-15 21:06:04,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:04,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-10-15 21:06:04,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:04,735 INFO L225 Difference]: With dead ends: 2619 [2022-10-15 21:06:04,735 INFO L226 Difference]: Without dead ends: 1323 [2022-10-15 21:06:04,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:04,743 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 9 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:04,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1495 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:04,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1323 states. [2022-10-15 21:06:04,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1323 to 1321. [2022-10-15 21:06:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1321 states, 979 states have (on average 1.4555669050051072) internal successors, (1425), 1057 states have internal predecessors, (1425), 195 states have call successors, (195), 75 states have call predecessors, (195), 75 states have return successors, (195), 195 states have call predecessors, (195), 195 states have call successors, (195) [2022-10-15 21:06:04,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1321 states to 1321 states and 1815 transitions. [2022-10-15 21:06:04,825 INFO L78 Accepts]: Start accepts. Automaton has 1321 states and 1815 transitions. Word has length 19 [2022-10-15 21:06:04,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:04,826 INFO L495 AbstractCegarLoop]: Abstraction has 1321 states and 1815 transitions. [2022-10-15 21:06:04,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1815 transitions. [2022-10-15 21:06:04,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-15 21:06:04,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:04,827 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:04,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 21:06:04,828 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:04,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:04,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2111267369, now seen corresponding path program 1 times [2022-10-15 21:06:04,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:04,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667587750] [2022-10-15 21:06:04,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:04,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:05,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:05,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:05,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667587750] [2022-10-15 21:06:05,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667587750] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:05,061 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:05,061 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:06:05,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370789412] [2022-10-15 21:06:05,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:05,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:05,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:05,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:05,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:05,074 INFO L87 Difference]: Start difference. First operand 1321 states and 1815 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:05,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:05,313 INFO L93 Difference]: Finished difference Result 3619 states and 4959 transitions. [2022-10-15 21:06:05,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:05,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2022-10-15 21:06:05,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:05,334 INFO L225 Difference]: With dead ends: 3619 [2022-10-15 21:06:05,335 INFO L226 Difference]: Without dead ends: 2301 [2022-10-15 21:06:05,344 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:05,349 INFO L413 NwaCegarLoop]: 1246 mSDtfsCounter, 743 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 743 SdHoareTripleChecker+Valid, 1919 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:05,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [743 Valid, 1919 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:05,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2301 states. [2022-10-15 21:06:05,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2301 to 2173. [2022-10-15 21:06:05,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2173 states, 1648 states have (on average 1.4520631067961165) internal successors, (2393), 1730 states have internal predecessors, (2393), 326 states have call successors, (326), 127 states have call predecessors, (326), 127 states have return successors, (326), 326 states have call predecessors, (326), 326 states have call successors, (326) [2022-10-15 21:06:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2173 states to 2173 states and 3045 transitions. [2022-10-15 21:06:05,524 INFO L78 Accepts]: Start accepts. Automaton has 2173 states and 3045 transitions. Word has length 22 [2022-10-15 21:06:05,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:05,525 INFO L495 AbstractCegarLoop]: Abstraction has 2173 states and 3045 transitions. [2022-10-15 21:06:05,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:05,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2173 states and 3045 transitions. [2022-10-15 21:06:05,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-15 21:06:05,529 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:05,529 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:05,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 21:06:05,530 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:05,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:05,531 INFO L85 PathProgramCache]: Analyzing trace with hash 503303658, now seen corresponding path program 1 times [2022-10-15 21:06:05,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:05,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976813907] [2022-10-15 21:06:05,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:05,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:05,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:05,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:05,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976813907] [2022-10-15 21:06:05,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976813907] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:05,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:05,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:06:05,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593511276] [2022-10-15 21:06:05,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:05,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:05,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:05,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:05,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:05,670 INFO L87 Difference]: Start difference. First operand 2173 states and 3045 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:05,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:05,827 INFO L93 Difference]: Finished difference Result 4343 states and 6087 transitions. [2022-10-15 21:06:05,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:05,828 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-15 21:06:05,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:05,845 INFO L225 Difference]: With dead ends: 4343 [2022-10-15 21:06:05,846 INFO L226 Difference]: Without dead ends: 2173 [2022-10-15 21:06:05,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:05,859 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 745 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:05,863 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 754 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:05,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2173 states. [2022-10-15 21:06:06,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2173 to 1781. [2022-10-15 21:06:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1781 states, 1344 states have (on average 1.4494047619047619) internal successors, (1948), 1424 states have internal predecessors, (1948), 263 states have call successors, (263), 102 states have call predecessors, (263), 102 states have return successors, (263), 263 states have call predecessors, (263), 263 states have call successors, (263) [2022-10-15 21:06:06,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 2474 transitions. [2022-10-15 21:06:06,032 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 2474 transitions. Word has length 25 [2022-10-15 21:06:06,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:06,033 INFO L495 AbstractCegarLoop]: Abstraction has 1781 states and 2474 transitions. [2022-10-15 21:06:06,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 21:06:06,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2474 transitions. [2022-10-15 21:06:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-15 21:06:06,040 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:06,040 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:06,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 21:06:06,041 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:06,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:06,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1145202073, now seen corresponding path program 1 times [2022-10-15 21:06:06,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:06,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326961135] [2022-10-15 21:06:06,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:06,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:06,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:06:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:06,283 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-15 21:06:06,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:06,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326961135] [2022-10-15 21:06:06,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326961135] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:06,284 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 21:06:06,284 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 21:06:06,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141634543] [2022-10-15 21:06:06,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:06,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:06,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:06,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:06,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:06,286 INFO L87 Difference]: Start difference. First operand 1781 states and 2474 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:06:06,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:06,386 INFO L93 Difference]: Finished difference Result 1781 states and 2474 transitions. [2022-10-15 21:06:06,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:06,387 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2022-10-15 21:06:06,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:06,400 INFO L225 Difference]: With dead ends: 1781 [2022-10-15 21:06:06,400 INFO L226 Difference]: Without dead ends: 1779 [2022-10-15 21:06:06,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 21:06:06,403 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 11 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:06,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1480 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:06,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2022-10-15 21:06:06,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1779. [2022-10-15 21:06:06,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1344 states have (on average 1.443452380952381) internal successors, (1940), 1422 states have internal predecessors, (1940), 263 states have call successors, (263), 102 states have call predecessors, (263), 102 states have return successors, (263), 263 states have call predecessors, (263), 263 states have call successors, (263) [2022-10-15 21:06:06,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2466 transitions. [2022-10-15 21:06:06,523 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2466 transitions. Word has length 31 [2022-10-15 21:06:06,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:06,523 INFO L495 AbstractCegarLoop]: Abstraction has 1779 states and 2466 transitions. [2022-10-15 21:06:06,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:06:06,524 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2466 transitions. [2022-10-15 21:06:06,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-15 21:06:06,525 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:06,525 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:06,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 21:06:06,525 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:06,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:06,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1141526866, now seen corresponding path program 1 times [2022-10-15 21:06:06,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:06,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283208680] [2022-10-15 21:06:06,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:06,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:06,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:06,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:06,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-10-15 21:06:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 21:06:06,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:06,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283208680] [2022-10-15 21:06:06,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283208680] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:06:06,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2027724285] [2022-10-15 21:06:06,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:06,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:06,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:06,808 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 21:06:06,816 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 21:06:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:07,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:06:07,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:06:07,240 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 21:06:07,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:06:07,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2027724285] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:07,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:06:07,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-15 21:06:07,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714243595] [2022-10-15 21:06:07,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:07,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:07,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:07,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:07,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:07,243 INFO L87 Difference]: Start difference. First operand 1779 states and 2466 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:06:07,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:07,364 INFO L93 Difference]: Finished difference Result 1793 states and 2486 transitions. [2022-10-15 21:06:07,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:06:07,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2022-10-15 21:06:07,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:07,378 INFO L225 Difference]: With dead ends: 1793 [2022-10-15 21:06:07,378 INFO L226 Difference]: Without dead ends: 1791 [2022-10-15 21:06:07,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 35 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 21:06:07,381 INFO L413 NwaCegarLoop]: 771 mSDtfsCounter, 252 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:07,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 1758 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:07,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1791 states. [2022-10-15 21:06:07,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1791 to 1753. [2022-10-15 21:06:07,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 1322 states have (on average 1.4432677760968229) internal successors, (1908), 1398 states have internal predecessors, (1908), 261 states have call successors, (261), 102 states have call predecessors, (261), 102 states have return successors, (261), 261 states have call predecessors, (261), 261 states have call successors, (261) [2022-10-15 21:06:07,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2430 transitions. [2022-10-15 21:06:07,508 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2430 transitions. Word has length 32 [2022-10-15 21:06:07,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:07,509 INFO L495 AbstractCegarLoop]: Abstraction has 1753 states and 2430 transitions. [2022-10-15 21:06:07,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:06:07,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2430 transitions. [2022-10-15 21:06:07,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 21:06:07,511 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:07,511 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:06:07,561 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 21:06:07,724 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 21:06:07,725 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:07,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:07,726 INFO L85 PathProgramCache]: Analyzing trace with hash -504001576, now seen corresponding path program 1 times [2022-10-15 21:06:07,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:07,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213090916] [2022-10-15 21:06:07,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:07,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:07,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:06:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 21:06:07,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:07,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213090916] [2022-10-15 21:06:07,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213090916] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:06:07,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635555489] [2022-10-15 21:06:07,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:07,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:07,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:07,999 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 21:06:08,016 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 21:06:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:08,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 904 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:06:08,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:06:08,435 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:08,435 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:06:08,493 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 21:06:08,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635555489] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:06:08,494 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:06:08,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2022-10-15 21:06:08,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968151823] [2022-10-15 21:06:08,495 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:06:08,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:06:08,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:08,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:06:08,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:06:08,496 INFO L87 Difference]: Start difference. First operand 1753 states and 2430 transitions. Second operand has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-10-15 21:06:10,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:10,165 INFO L93 Difference]: Finished difference Result 5184 states and 7039 transitions. [2022-10-15 21:06:10,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-15 21:06:10,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 36 [2022-10-15 21:06:10,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:10,202 INFO L225 Difference]: With dead ends: 5184 [2022-10-15 21:06:10,202 INFO L226 Difference]: Without dead ends: 5183 [2022-10-15 21:06:10,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:06:10,206 INFO L413 NwaCegarLoop]: 1487 mSDtfsCounter, 4290 mSDsluCounter, 2850 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4290 SdHoareTripleChecker+Valid, 4337 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 438 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:10,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4290 Valid, 4337 Invalid, 1300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [438 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-15 21:06:10,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5183 states. [2022-10-15 21:06:10,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5183 to 3119. [2022-10-15 21:06:10,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3119 states, 2403 states have (on average 1.4427798585101956) internal successors, (3467), 2485 states have internal predecessors, (3467), 465 states have call successors, (465), 183 states have call predecessors, (465), 183 states have return successors, (465), 465 states have call predecessors, (465), 465 states have call successors, (465) [2022-10-15 21:06:10,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 3119 states and 4397 transitions. [2022-10-15 21:06:10,466 INFO L78 Accepts]: Start accepts. Automaton has 3119 states and 4397 transitions. Word has length 36 [2022-10-15 21:06:10,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:10,466 INFO L495 AbstractCegarLoop]: Abstraction has 3119 states and 4397 transitions. [2022-10-15 21:06:10,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.166666666666666) internal successors, (61), 7 states have internal predecessors, (61), 5 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2022-10-15 21:06:10,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 4397 transitions. [2022-10-15 21:06:10,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-15 21:06:10,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:10,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:10,508 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 21:06:10,683 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 21:06:10,684 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:10,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:10,685 INFO L85 PathProgramCache]: Analyzing trace with hash 234780125, now seen corresponding path program 1 times [2022-10-15 21:06:10,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:10,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240829449] [2022-10-15 21:06:10,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:10,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:10,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:06:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:10,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:10,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:10,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240829449] [2022-10-15 21:06:10,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240829449] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:06:10,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [392860645] [2022-10-15 21:06:10,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:10,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:10,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:10,867 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 21:06:10,887 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 21:06:11,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:11,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:06:11,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:06:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:06:11,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:06:11,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [392860645] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:11,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:06:11,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 21:06:11,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61547458] [2022-10-15 21:06:11,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:11,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:11,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:11,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:11,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:11,190 INFO L87 Difference]: Start difference. First operand 3119 states and 4397 transitions. Second operand has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:06:11,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:11,426 INFO L93 Difference]: Finished difference Result 6236 states and 8795 transitions. [2022-10-15 21:06:11,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:11,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-10-15 21:06:11,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:11,449 INFO L225 Difference]: With dead ends: 6236 [2022-10-15 21:06:11,450 INFO L226 Difference]: Without dead ends: 3120 [2022-10-15 21:06:11,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:11,464 INFO L413 NwaCegarLoop]: 745 mSDtfsCounter, 14 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1471 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 21:06:11,465 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1471 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:11,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3120 states. [2022-10-15 21:06:11,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3120 to 3120. [2022-10-15 21:06:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3120 states, 2405 states have (on average 1.4415800415800415) internal successors, (3467), 2486 states have internal predecessors, (3467), 465 states have call successors, (465), 183 states have call predecessors, (465), 183 states have return successors, (465), 465 states have call predecessors, (465), 465 states have call successors, (465) [2022-10-15 21:06:11,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 4397 transitions. [2022-10-15 21:06:11,679 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 4397 transitions. Word has length 36 [2022-10-15 21:06:11,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:11,680 INFO L495 AbstractCegarLoop]: Abstraction has 3120 states and 4397 transitions. [2022-10-15 21:06:11,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:06:11,680 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 4397 transitions. [2022-10-15 21:06:11,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:06:11,682 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:11,682 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-10-15 21:06:11,726 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 21:06:11,885 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 21:06:11,885 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:11,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:11,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1555821306, now seen corresponding path program 1 times [2022-10-15 21:06:11,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:11,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359547261] [2022-10-15 21:06:11,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:11,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-10-15 21:06:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-15 21:06:12,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:12,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359547261] [2022-10-15 21:06:12,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359547261] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:06:12,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740525661] [2022-10-15 21:06:12,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:12,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:12,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:12,085 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 21:06:12,091 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 21:06:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:12,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:06:12,373 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:06:12,428 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:12,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:06:12,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740525661] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:12,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:06:12,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2022-10-15 21:06:12,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99405078] [2022-10-15 21:06:12,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:12,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 21:06:12,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:12,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 21:06:12,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:12,432 INFO L87 Difference]: Start difference. First operand 3120 states and 4397 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:06:13,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:13,161 INFO L93 Difference]: Finished difference Result 6752 states and 9450 transitions. [2022-10-15 21:06:13,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 21:06:13,162 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2022-10-15 21:06:13,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:13,194 INFO L225 Difference]: With dead ends: 6752 [2022-10-15 21:06:13,194 INFO L226 Difference]: Without dead ends: 3635 [2022-10-15 21:06:13,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 21:06:13,212 INFO L413 NwaCegarLoop]: 952 mSDtfsCounter, 1802 mSDsluCounter, 582 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1802 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:13,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1802 Valid, 1534 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 21:06:13,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3635 states. [2022-10-15 21:06:13,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3635 to 3119. [2022-10-15 21:06:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3119 states, 2405 states have (on average 1.4357588357588358) internal successors, (3453), 2485 states have internal predecessors, (3453), 465 states have call successors, (465), 183 states have call predecessors, (465), 183 states have return successors, (465), 465 states have call predecessors, (465), 465 states have call successors, (465) [2022-10-15 21:06:13,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3119 states to 3119 states and 4383 transitions. [2022-10-15 21:06:13,523 INFO L78 Accepts]: Start accepts. Automaton has 3119 states and 4383 transitions. Word has length 37 [2022-10-15 21:06:13,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:13,523 INFO L495 AbstractCegarLoop]: Abstraction has 3119 states and 4383 transitions. [2022-10-15 21:06:13,525 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), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-10-15 21:06:13,525 INFO L276 IsEmpty]: Start isEmpty. Operand 3119 states and 4383 transitions. [2022-10-15 21:06:13,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-15 21:06:13,526 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:13,526 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:13,570 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 21:06:13,740 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 21:06:13,740 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:13,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:13,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1311749666, now seen corresponding path program 1 times [2022-10-15 21:06:13,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:13,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532085118] [2022-10-15 21:06:13,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:13,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:13,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:13,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:06:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:13,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:13,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532085118] [2022-10-15 21:06:13,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532085118] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:06:13,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100310570] [2022-10-15 21:06:13,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:13,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:13,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:13,924 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:06:13,948 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 21:06:14,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:14,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:06:14,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:06:14,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:06:14,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:06:14,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100310570] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:14,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:06:14,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 21:06:14,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496338094] [2022-10-15 21:06:14,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:14,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:14,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:14,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:14,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:14,239 INFO L87 Difference]: Start difference. First operand 3119 states and 4383 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:06:14,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:14,461 INFO L93 Difference]: Finished difference Result 3547 states and 4987 transitions. [2022-10-15 21:06:14,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:14,462 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37 [2022-10-15 21:06:14,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:14,488 INFO L225 Difference]: With dead ends: 3547 [2022-10-15 21:06:14,488 INFO L226 Difference]: Without dead ends: 3546 [2022-10-15 21:06:14,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:14,491 INFO L413 NwaCegarLoop]: 996 mSDtfsCounter, 233 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 1739 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 21:06:14,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 1739 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:14,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3546 states. [2022-10-15 21:06:14,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3546 to 3118. [2022-10-15 21:06:14,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3118 states, 2405 states have (on average 1.4349272349272348) internal successors, (3451), 2484 states have internal predecessors, (3451), 465 states have call successors, (465), 183 states have call predecessors, (465), 183 states have return successors, (465), 465 states have call predecessors, (465), 465 states have call successors, (465) [2022-10-15 21:06:14,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3118 states to 3118 states and 4381 transitions. [2022-10-15 21:06:14,817 INFO L78 Accepts]: Start accepts. Automaton has 3118 states and 4381 transitions. Word has length 37 [2022-10-15 21:06:14,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:14,817 INFO L495 AbstractCegarLoop]: Abstraction has 3118 states and 4381 transitions. [2022-10-15 21:06:14,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-10-15 21:06:14,818 INFO L276 IsEmpty]: Start isEmpty. Operand 3118 states and 4381 transitions. [2022-10-15 21:06:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-15 21:06:14,819 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:14,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:14,869 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 21:06:15,032 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 21:06:15,033 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:15,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:15,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1473651631, now seen corresponding path program 1 times [2022-10-15 21:06:15,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:15,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044373077] [2022-10-15 21:06:15,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:15,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:15,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:15,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:15,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:15,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:15,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044373077] [2022-10-15 21:06:15,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044373077] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:06:15,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371321098] [2022-10-15 21:06:15,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:15,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:15,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:15,263 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 21:06:15,285 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 21:06:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:15,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 941 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:06:15,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:06:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:06:15,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:06:15,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371321098] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:15,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:06:15,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 21:06:15,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240004562] [2022-10-15 21:06:15,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:15,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:15,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:15,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:15,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:15,581 INFO L87 Difference]: Start difference. First operand 3118 states and 4381 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:15,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:15,809 INFO L93 Difference]: Finished difference Result 6241 states and 8779 transitions. [2022-10-15 21:06:15,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:15,810 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 39 [2022-10-15 21:06:15,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:15,827 INFO L225 Difference]: With dead ends: 6241 [2022-10-15 21:06:15,828 INFO L226 Difference]: Without dead ends: 3126 [2022-10-15 21:06:15,843 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:15,843 INFO L413 NwaCegarLoop]: 736 mSDtfsCounter, 14 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 1457 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:15,844 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 1457 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:15,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3126 states. [2022-10-15 21:06:16,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3126 to 3126. [2022-10-15 21:06:16,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3126 states, 2415 states have (on average 1.4289855072463769) internal successors, (3451), 2492 states have internal predecessors, (3451), 465 states have call successors, (465), 183 states have call predecessors, (465), 183 states have return successors, (465), 465 states have call predecessors, (465), 465 states have call successors, (465) [2022-10-15 21:06:16,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 3126 states and 4381 transitions. [2022-10-15 21:06:16,094 INFO L78 Accepts]: Start accepts. Automaton has 3126 states and 4381 transitions. Word has length 39 [2022-10-15 21:06:16,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:16,094 INFO L495 AbstractCegarLoop]: Abstraction has 3126 states and 4381 transitions. [2022-10-15 21:06:16,094 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 3126 states and 4381 transitions. [2022-10-15 21:06:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-15 21:06:16,095 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:16,096 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:16,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 21:06:16,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:16,310 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:16,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:16,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1561438599, now seen corresponding path program 1 times [2022-10-15 21:06:16,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:16,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264731647] [2022-10-15 21:06:16,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:16,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:16,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:16,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:16,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264731647] [2022-10-15 21:06:16,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264731647] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:06:16,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1403375876] [2022-10-15 21:06:16,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:16,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:16,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:16,474 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:06:16,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-15 21:06:16,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:16,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 942 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-15 21:06:16,767 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:06:16,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-15 21:06:16,781 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 21:06:16,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1403375876] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 21:06:16,781 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 21:06:16,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-15 21:06:16,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143120586] [2022-10-15 21:06:16,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 21:06:16,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 21:06:16,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:16,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 21:06:16,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:16,783 INFO L87 Difference]: Start difference. First operand 3126 states and 4381 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:17,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:17,000 INFO L93 Difference]: Finished difference Result 3790 states and 5407 transitions. [2022-10-15 21:06:17,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 21:06:17,001 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2022-10-15 21:06:17,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:17,016 INFO L225 Difference]: With dead ends: 3790 [2022-10-15 21:06:17,017 INFO L226 Difference]: Without dead ends: 3788 [2022-10-15 21:06:17,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-15 21:06:17,020 INFO L413 NwaCegarLoop]: 810 mSDtfsCounter, 178 mSDsluCounter, 723 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:17,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1533 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:17,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3788 states. [2022-10-15 21:06:17,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3788 to 3124. [2022-10-15 21:06:17,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3124 states, 2415 states have (on average 1.4248447204968944) internal successors, (3441), 2490 states have internal predecessors, (3441), 465 states have call successors, (465), 183 states have call predecessors, (465), 183 states have return successors, (465), 465 states have call predecessors, (465), 465 states have call successors, (465) [2022-10-15 21:06:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3124 states to 3124 states and 4371 transitions. [2022-10-15 21:06:17,264 INFO L78 Accepts]: Start accepts. Automaton has 3124 states and 4371 transitions. Word has length 40 [2022-10-15 21:06:17,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:17,264 INFO L495 AbstractCegarLoop]: Abstraction has 3124 states and 4371 transitions. [2022-10-15 21:06:17,265 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-10-15 21:06:17,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3124 states and 4371 transitions. [2022-10-15 21:06:17,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-15 21:06:17,266 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:17,266 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 21:06:17,307 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-10-15 21:06:17,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:17,482 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting DRIVEErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:17,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:17,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1906257759, now seen corresponding path program 1 times [2022-10-15 21:06:17,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:17,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169972684] [2022-10-15 21:06:17,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:17,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 21:06:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:17,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-10-15 21:06:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:17,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-10-15 21:06:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:17,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 21:06:17,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169972684] [2022-10-15 21:06:17,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169972684] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 21:06:17,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390739325] [2022-10-15 21:06:17,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:17,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 21:06:17,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 21:06:17,696 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-15 21:06:17,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-15 21:06:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 21:06:18,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-15 21:06:18,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 21:06:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:18,078 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 21:06:18,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 21:06:18,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390739325] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 21:06:18,115 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 21:06:18,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2022-10-15 21:06:18,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609186298] [2022-10-15 21:06:18,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 21:06:18,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 21:06:18,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 21:06:18,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 21:06:18,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:06:18,117 INFO L87 Difference]: Start difference. First operand 3124 states and 4371 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-10-15 21:06:18,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 21:06:18,449 INFO L93 Difference]: Finished difference Result 6395 states and 8931 transitions. [2022-10-15 21:06:18,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 21:06:18,449 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 47 [2022-10-15 21:06:18,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 21:06:18,468 INFO L225 Difference]: With dead ends: 6395 [2022-10-15 21:06:18,469 INFO L226 Difference]: Without dead ends: 3274 [2022-10-15 21:06:18,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2022-10-15 21:06:18,481 INFO L413 NwaCegarLoop]: 741 mSDtfsCounter, 47 mSDsluCounter, 2205 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 2946 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 21:06:18,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 2946 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 21:06:18,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3274 states. [2022-10-15 21:06:18,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3274 to 3274. [2022-10-15 21:06:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3274 states, 2553 states have (on average 1.4065804935370152) internal successors, (3591), 2628 states have internal predecessors, (3591), 477 states have call successors, (477), 183 states have call predecessors, (477), 183 states have return successors, (477), 477 states have call predecessors, (477), 477 states have call successors, (477) [2022-10-15 21:06:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 4545 transitions. [2022-10-15 21:06:18,712 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 4545 transitions. Word has length 47 [2022-10-15 21:06:18,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 21:06:18,712 INFO L495 AbstractCegarLoop]: Abstraction has 3274 states and 4545 transitions. [2022-10-15 21:06:18,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2022-10-15 21:06:18,713 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 4545 transitions. [2022-10-15 21:06:18,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-15 21:06:18,715 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 21:06:18,715 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-10-15 21:06:18,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-15 21:06:18,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-10-15 21:06:18,929 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting DRIVEErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 69 more)] === [2022-10-15 21:06:18,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 21:06:18,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1182669106, now seen corresponding path program 1 times [2022-10-15 21:06:18,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 21:06:18,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299705095] [2022-10-15 21:06:18,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 21:06:18,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 21:06:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat