/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 13:16:30,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 13:16:30,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 13:16:30,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 13:16:30,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 13:16:30,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 13:16:30,191 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 13:16:30,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 13:16:30,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 13:16:30,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 13:16:30,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 13:16:30,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 13:16:30,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 13:16:30,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 13:16:30,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 13:16:30,227 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 13:16:30,232 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 13:16:30,233 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 13:16:30,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 13:16:30,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 13:16:30,252 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 13:16:30,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 13:16:30,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 13:16:30,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 13:16:30,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-16 13:16:30,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-16 13:16:30,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-16 13:16:30,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-16 13:16:30,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-16 13:16:30,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-16 13:16:30,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-16 13:16:30,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-16 13:16:30,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-16 13:16:30,282 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-16 13:16:30,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-16 13:16:30,288 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-16 13:16:30,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-16 13:16:30,289 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-16 13:16:30,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 13:16:30,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 13:16:30,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 13:16:30,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 13:16:30,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 13:16:30,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 13:16:30,353 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 13:16:30,354 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 13:16:30,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 13:16:30,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 13:16:30,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 13:16:30,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 13:16:30,359 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 13:16:30,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 13:16:30,361 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 13:16:30,361 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 13:16:30,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 13:16:30,362 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 13:16:30,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 13:16:30,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 13:16:30,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 13:16:30,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 13:16:30,363 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 13:16:30,363 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 13:16:30,363 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 13:16:30,363 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 13:16:30,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 13:16:30,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 13:16:30,364 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 13:16:30,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 13:16:30,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:16:30,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 13:16:30,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 13:16:30,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 13:16:30,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 13:16:30,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 13:16:30,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 13:16:30,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 13:16:30,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 13:16:30,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 13:16:30,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 13:16:30,829 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 13:16:30,829 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 13:16:30,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2022-10-16 13:16:30,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32ec21ab/231a8a480db44c1e886ee8745af9e8fc/FLAG424e8150a [2022-10-16 13:16:31,953 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 13:16:31,954 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2022-10-16 13:16:32,006 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32ec21ab/231a8a480db44c1e886ee8745af9e8fc/FLAG424e8150a [2022-10-16 13:16:32,355 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b32ec21ab/231a8a480db44c1e886ee8745af9e8fc [2022-10-16 13:16:32,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 13:16:32,365 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 13:16:32,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 13:16:32,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 13:16:32,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 13:16:32,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:16:32" (1/1) ... [2022-10-16 13:16:32,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:32, skipping insertion in model container [2022-10-16 13:16:32,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:16:32" (1/1) ... [2022-10-16 13:16:32,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 13:16:32,461 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 13:16:32,953 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2022-10-16 13:16:32,954 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3071-3072] [2022-10-16 13:16:33,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i[91143,91156] [2022-10-16 13:16:33,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:16:33,586 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 13:16:33,690 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3070] [2022-10-16 13:16:33,691 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3071-3072] [2022-10-16 13:16:33,700 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i[91143,91156] [2022-10-16 13:16:33,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 13:16:33,918 INFO L208 MainTranslator]: Completed translation [2022-10-16 13:16:33,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33 WrapperNode [2022-10-16 13:16:33,919 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 13:16:33,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 13:16:33,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 13:16:33,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 13:16:33,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:33,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:34,086 INFO L138 Inliner]: procedures = 111, calls = 512, calls flagged for inlining = 41, calls inlined = 39, statements flattened = 1235 [2022-10-16 13:16:34,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 13:16:34,093 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 13:16:34,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 13:16:34,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 13:16:34,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:34,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:34,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:34,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:34,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:34,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:34,241 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:34,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:34,269 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 13:16:34,270 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 13:16:34,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 13:16:34,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 13:16:34,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (1/1) ... [2022-10-16 13:16:34,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 13:16:34,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:16:34,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 13:16:34,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 13:16:34,378 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2022-10-16 13:16:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2022-10-16 13:16:34,379 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2022-10-16 13:16:34,379 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2022-10-16 13:16:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2022-10-16 13:16:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2022-10-16 13:16:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2022-10-16 13:16:34,380 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2022-10-16 13:16:34,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-10-16 13:16:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-10-16 13:16:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 13:16:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2022-10-16 13:16:34,381 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2022-10-16 13:16:34,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-10-16 13:16:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-10-16 13:16:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2022-10-16 13:16:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2022-10-16 13:16:34,382 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2022-10-16 13:16:34,382 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2022-10-16 13:16:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 13:16:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-10-16 13:16:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-10-16 13:16:34,383 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2022-10-16 13:16:34,383 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2022-10-16 13:16:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-10-16 13:16:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-10-16 13:16:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-10-16 13:16:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-10-16 13:16:34,384 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-10-16 13:16:34,384 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-10-16 13:16:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-16 13:16:34,385 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-16 13:16:34,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-16 13:16:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-10-16 13:16:34,386 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-10-16 13:16:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 13:16:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 13:16:34,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-16 13:16:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2022-10-16 13:16:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2022-10-16 13:16:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2022-10-16 13:16:34,387 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2022-10-16 13:16:34,387 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-10-16 13:16:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-10-16 13:16:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-10-16 13:16:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-16 13:16:34,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_20 [2022-10-16 13:16:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_20 [2022-10-16 13:16:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2022-10-16 13:16:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2022-10-16 13:16:34,389 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2022-10-16 13:16:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2022-10-16 13:16:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2022-10-16 13:16:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2022-10-16 13:16:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 13:16:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-16 13:16:34,390 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2022-10-16 13:16:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2022-10-16 13:16:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2022-10-16 13:16:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2022-10-16 13:16:34,391 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-10-16 13:16:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-10-16 13:16:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2022-10-16 13:16:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2022-10-16 13:16:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2022-10-16 13:16:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2022-10-16 13:16:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2022-10-16 13:16:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2022-10-16 13:16:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 13:16:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-10-16 13:16:34,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-10-16 13:16:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-10-16 13:16:34,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-10-16 13:16:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 13:16:34,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 13:16:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2022-10-16 13:16:34,394 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2022-10-16 13:16:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-10-16 13:16:34,395 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-10-16 13:16:34,918 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 13:16:34,925 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 13:16:35,582 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-10-16 13:16:36,871 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 13:16:36,916 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 13:16:36,916 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 13:16:36,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:16:36 BoogieIcfgContainer [2022-10-16 13:16:36,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 13:16:36,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 13:16:36,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 13:16:36,930 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 13:16:36,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:16:32" (1/3) ... [2022-10-16 13:16:36,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11eccc4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:16:36, skipping insertion in model container [2022-10-16 13:16:36,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:16:33" (2/3) ... [2022-10-16 13:16:36,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11eccc4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:16:36, skipping insertion in model container [2022-10-16 13:16:36,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:16:36" (3/3) ... [2022-10-16 13:16:36,936 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--block--paride--pg.ko-entry_point.cil.out.i [2022-10-16 13:16:36,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 13:16:36,961 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 68 error locations. [2022-10-16 13:16:37,092 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 13:16:37,101 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;@78b8f7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 13:16:37,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 68 error locations. [2022-10-16 13:16:37,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 618 states, 420 states have (on average 1.4785714285714286) internal successors, (621), 495 states have internal predecessors, (621), 97 states have call successors, (97), 33 states have call predecessors, (97), 32 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2022-10-16 13:16:37,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-16 13:16:37,124 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:37,125 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:37,126 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:37,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:37,133 INFO L85 PathProgramCache]: Analyzing trace with hash 915949461, now seen corresponding path program 1 times [2022-10-16 13:16:37,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:37,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017402664] [2022-10-16 13:16:37,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:37,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:37,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:37,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:37,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:37,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:16:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:16:37,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:37,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017402664] [2022-10-16 13:16:37,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017402664] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:37,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:37,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:16:37,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909417237] [2022-10-16 13:16:37,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:37,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:37,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:37,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:37,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:37,878 INFO L87 Difference]: Start difference. First operand has 618 states, 420 states have (on average 1.4785714285714286) internal successors, (621), 495 states have internal predecessors, (621), 97 states have call successors, (97), 33 states have call predecessors, (97), 32 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:16:40,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:40,886 INFO L93 Difference]: Finished difference Result 1714 states and 2304 transitions. [2022-10-16 13:16:40,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:16:40,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2022-10-16 13:16:40,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:40,942 INFO L225 Difference]: With dead ends: 1714 [2022-10-16 13:16:40,943 INFO L226 Difference]: Without dead ends: 1081 [2022-10-16 13:16:40,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:16:40,995 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 834 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 900 SdHoareTripleChecker+Valid, 1671 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:41,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [900 Valid, 1671 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-10-16 13:16:41,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2022-10-16 13:16:41,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1013. [2022-10-16 13:16:41,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 722 states have (on average 1.4362880886426592) internal successors, (1037), 794 states have internal predecessors, (1037), 163 states have call successors, (163), 60 states have call predecessors, (163), 60 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2022-10-16 13:16:41,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1363 transitions. [2022-10-16 13:16:41,268 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1363 transitions. Word has length 37 [2022-10-16 13:16:41,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:41,269 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1363 transitions. [2022-10-16 13:16:41,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:16:41,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1363 transitions. [2022-10-16 13:16:41,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-16 13:16:41,282 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:41,283 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:41,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 13:16:41,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:41,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:41,285 INFO L85 PathProgramCache]: Analyzing trace with hash 2137779125, now seen corresponding path program 1 times [2022-10-16 13:16:41,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:41,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486096634] [2022-10-16 13:16:41,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:41,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:41,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:41,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:41,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:16:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-10-16 13:16:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:41,542 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:16:41,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:41,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486096634] [2022-10-16 13:16:41,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486096634] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:41,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:41,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:16:41,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23115025] [2022-10-16 13:16:41,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:41,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:41,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:41,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:41,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:41,547 INFO L87 Difference]: Start difference. First operand 1013 states and 1363 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:16:44,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:44,359 INFO L93 Difference]: Finished difference Result 2421 states and 3226 transitions. [2022-10-16 13:16:44,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:16:44,360 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 41 [2022-10-16 13:16:44,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:44,373 INFO L225 Difference]: With dead ends: 2421 [2022-10-16 13:16:44,373 INFO L226 Difference]: Without dead ends: 1428 [2022-10-16 13:16:44,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:16:44,381 INFO L413 NwaCegarLoop]: 961 mSDtfsCounter, 574 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 156 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 629 SdHoareTripleChecker+Valid, 1857 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 156 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:44,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [629 Valid, 1857 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [156 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-10-16 13:16:44,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2022-10-16 13:16:44,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1332. [2022-10-16 13:16:44,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 968 states have (on average 1.4349173553719008) internal successors, (1389), 1042 states have internal predecessors, (1389), 214 states have call successors, (214), 82 states have call predecessors, (214), 82 states have return successors, (214), 214 states have call predecessors, (214), 214 states have call successors, (214) [2022-10-16 13:16:44,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1817 transitions. [2022-10-16 13:16:44,472 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1817 transitions. Word has length 41 [2022-10-16 13:16:44,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:44,474 INFO L495 AbstractCegarLoop]: Abstraction has 1332 states and 1817 transitions. [2022-10-16 13:16:44,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:16:44,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1817 transitions. [2022-10-16 13:16:44,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-16 13:16:44,476 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:44,476 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:44,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 13:16:44,477 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:44,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:44,478 INFO L85 PathProgramCache]: Analyzing trace with hash -550283211, now seen corresponding path program 1 times [2022-10-16 13:16:44,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:44,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141978861] [2022-10-16 13:16:44,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:44,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:44,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:44,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:16:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:16:44,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:44,699 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:16:44,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:44,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141978861] [2022-10-16 13:16:44,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141978861] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:44,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:44,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:16:44,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280430253] [2022-10-16 13:16:44,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:44,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:44,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:44,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:44,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:44,702 INFO L87 Difference]: Start difference. First operand 1332 states and 1817 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:16:46,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:46,629 INFO L93 Difference]: Finished difference Result 2687 states and 3686 transitions. [2022-10-16 13:16:46,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:16:46,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2022-10-16 13:16:46,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:46,641 INFO L225 Difference]: With dead ends: 2687 [2022-10-16 13:16:46,641 INFO L226 Difference]: Without dead ends: 1387 [2022-10-16 13:16:46,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:46,649 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 105 mSDsluCounter, 909 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 1663 SdHoareTripleChecker+Invalid, 596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:46,650 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 1663 Invalid, 596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-10-16 13:16:46,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2022-10-16 13:16:46,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1354. [2022-10-16 13:16:46,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 988 states have (on average 1.4321862348178138) internal successors, (1415), 1062 states have internal predecessors, (1415), 216 states have call successors, (216), 82 states have call predecessors, (216), 82 states have return successors, (216), 216 states have call predecessors, (216), 216 states have call successors, (216) [2022-10-16 13:16:46,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 1847 transitions. [2022-10-16 13:16:46,756 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 1847 transitions. Word has length 43 [2022-10-16 13:16:46,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:46,756 INFO L495 AbstractCegarLoop]: Abstraction has 1354 states and 1847 transitions. [2022-10-16 13:16:46,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:16:46,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1847 transitions. [2022-10-16 13:16:46,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 13:16:46,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:46,759 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:46,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 13:16:46,759 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:46,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:46,760 INFO L85 PathProgramCache]: Analyzing trace with hash 404000190, now seen corresponding path program 1 times [2022-10-16 13:16:46,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:46,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719256997] [2022-10-16 13:16:46,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:46,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:46,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:46,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:46,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:46,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:46,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:16:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:46,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:16:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:16:47,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:47,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719256997] [2022-10-16 13:16:47,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719256997] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:47,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:47,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:16:47,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160606853] [2022-10-16 13:16:47,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:47,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:47,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:47,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:47,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:47,019 INFO L87 Difference]: Start difference. First operand 1354 states and 1847 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:16:50,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:50,932 INFO L93 Difference]: Finished difference Result 3982 states and 5448 transitions. [2022-10-16 13:16:50,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 13:16:50,933 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2022-10-16 13:16:50,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:50,956 INFO L225 Difference]: With dead ends: 3982 [2022-10-16 13:16:50,956 INFO L226 Difference]: Without dead ends: 2660 [2022-10-16 13:16:50,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:16:50,973 INFO L413 NwaCegarLoop]: 1238 mSDtfsCounter, 797 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 2295 SdHoareTripleChecker+Invalid, 906 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:50,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 2295 Invalid, 906 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-10-16 13:16:50,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2660 states. [2022-10-16 13:16:51,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2660 to 2475. [2022-10-16 13:16:51,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2475 states, 1843 states have (on average 1.4291915355398805) internal successors, (2634), 1923 states have internal predecessors, (2634), 407 states have call successors, (407), 157 states have call predecessors, (407), 157 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2022-10-16 13:16:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2475 states to 2475 states and 3448 transitions. [2022-10-16 13:16:51,163 INFO L78 Accepts]: Start accepts. Automaton has 2475 states and 3448 transitions. Word has length 46 [2022-10-16 13:16:51,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:51,165 INFO L495 AbstractCegarLoop]: Abstraction has 2475 states and 3448 transitions. [2022-10-16 13:16:51,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-10-16 13:16:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 2475 states and 3448 transitions. [2022-10-16 13:16:51,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-16 13:16:51,167 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:51,168 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:51,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 13:16:51,169 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:51,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:51,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1420230450, now seen corresponding path program 1 times [2022-10-16 13:16:51,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:51,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983245374] [2022-10-16 13:16:51,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:51,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:51,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:51,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:51,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:51,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:16:51,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:51,400 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:16:51,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:51,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983245374] [2022-10-16 13:16:51,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983245374] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:51,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:51,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 13:16:51,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316429875] [2022-10-16 13:16:51,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:51,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:51,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:51,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:51,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:51,404 INFO L87 Difference]: Start difference. First operand 2475 states and 3448 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:16:53,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:53,589 INFO L93 Difference]: Finished difference Result 4976 states and 6952 transitions. [2022-10-16 13:16:53,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:16:53,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 49 [2022-10-16 13:16:53,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:53,607 INFO L225 Difference]: With dead ends: 4976 [2022-10-16 13:16:53,607 INFO L226 Difference]: Without dead ends: 2533 [2022-10-16 13:16:53,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 13:16:53,620 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 778 mSDsluCounter, 323 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 1077 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:53,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 1077 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 13:16:53,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2533 states. [2022-10-16 13:16:53,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2533 to 2081. [2022-10-16 13:16:53,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2081 states, 1542 states have (on average 1.4254215304798963) internal successors, (2198), 1620 states have internal predecessors, (2198), 340 states have call successors, (340), 131 states have call predecessors, (340), 131 states have return successors, (340), 340 states have call predecessors, (340), 340 states have call successors, (340) [2022-10-16 13:16:53,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2878 transitions. [2022-10-16 13:16:53,776 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2878 transitions. Word has length 49 [2022-10-16 13:16:53,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:53,777 INFO L495 AbstractCegarLoop]: Abstraction has 2081 states and 2878 transitions. [2022-10-16 13:16:53,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-10-16 13:16:53,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2878 transitions. [2022-10-16 13:16:53,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 13:16:53,779 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:53,779 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:53,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 13:16:53,779 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:53,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:53,780 INFO L85 PathProgramCache]: Analyzing trace with hash -1905079542, now seen corresponding path program 1 times [2022-10-16 13:16:53,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:53,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88739957] [2022-10-16 13:16:53,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:53,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:53,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:53,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:53,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:16:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:54,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:16:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:54,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 13:16:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:54,021 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-10-16 13:16:54,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:54,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88739957] [2022-10-16 13:16:54,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88739957] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:54,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 13:16:54,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 13:16:54,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032464647] [2022-10-16 13:16:54,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:54,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:54,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:54,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:54,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:54,025 INFO L87 Difference]: Start difference. First operand 2081 states and 2878 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:16:55,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-16 13:16:56,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:56,954 INFO L93 Difference]: Finished difference Result 2130 states and 2957 transitions. [2022-10-16 13:16:56,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:16:56,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2022-10-16 13:16:56,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:56,971 INFO L225 Difference]: With dead ends: 2130 [2022-10-16 13:16:56,971 INFO L226 Difference]: Without dead ends: 2128 [2022-10-16 13:16:56,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 13:16:56,974 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 107 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 1644 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:56,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 1644 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-10-16 13:16:56,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2128 states. [2022-10-16 13:16:57,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2128 to 2079. [2022-10-16 13:16:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2079 states, 1542 states have (on average 1.4202334630350195) internal successors, (2190), 1618 states have internal predecessors, (2190), 340 states have call successors, (340), 131 states have call predecessors, (340), 131 states have return successors, (340), 340 states have call predecessors, (340), 340 states have call successors, (340) [2022-10-16 13:16:57,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2870 transitions. [2022-10-16 13:16:57,132 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2870 transitions. Word has length 55 [2022-10-16 13:16:57,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:57,132 INFO L495 AbstractCegarLoop]: Abstraction has 2079 states and 2870 transitions. [2022-10-16 13:16:57,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-16 13:16:57,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2870 transitions. [2022-10-16 13:16:57,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 13:16:57,134 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:57,134 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:57,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 13:16:57,135 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:57,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:57,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1072077319, now seen corresponding path program 1 times [2022-10-16 13:16:57,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:57,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953278408] [2022-10-16 13:16:57,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:57,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:57,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:57,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:57,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:57,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:57,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:16:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:57,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:16:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 13:16:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:16:57,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:57,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953278408] [2022-10-16 13:16:57,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953278408] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:16:57,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1005340457] [2022-10-16 13:16:57,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:57,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:16:57,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:16:57,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:16:57,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 13:16:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:57,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 1010 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:16:57,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:16:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:16:58,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:16:58,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1005340457] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:58,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:16:58,045 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 13:16:58,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145215882] [2022-10-16 13:16:58,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:58,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:16:58,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:58,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:16:58,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:16:58,047 INFO L87 Difference]: Start difference. First operand 2079 states and 2870 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-16 13:16:58,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:58,246 INFO L93 Difference]: Finished difference Result 2093 states and 2888 transitions. [2022-10-16 13:16:58,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:16:58,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 56 [2022-10-16 13:16:58,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:58,264 INFO L225 Difference]: With dead ends: 2093 [2022-10-16 13:16:58,264 INFO L226 Difference]: Without dead ends: 2091 [2022-10-16 13:16:58,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:16:58,273 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 483 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 1323 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:58,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 1323 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 13:16:58,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2022-10-16 13:16:58,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 2053. [2022-10-16 13:16:58,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2053 states, 1520 states have (on average 1.4197368421052632) internal successors, (2158), 1594 states have internal predecessors, (2158), 338 states have call successors, (338), 131 states have call predecessors, (338), 131 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2022-10-16 13:16:58,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 2834 transitions. [2022-10-16 13:16:58,422 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 2834 transitions. Word has length 56 [2022-10-16 13:16:58,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:58,422 INFO L495 AbstractCegarLoop]: Abstraction has 2053 states and 2834 transitions. [2022-10-16 13:16:58,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-16 13:16:58,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2834 transitions. [2022-10-16 13:16:58,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 13:16:58,424 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:58,424 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:58,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 13:16:58,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:16:58,638 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:58,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:58,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1449682843, now seen corresponding path program 1 times [2022-10-16 13:16:58,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:58,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530565125] [2022-10-16 13:16:58,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:58,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:58,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:16:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:58,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:16:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:58,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:16:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:58,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:16:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:58,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:16:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:16:58,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:16:58,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530565125] [2022-10-16 13:16:58,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530565125] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:16:58,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755603588] [2022-10-16 13:16:58,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:58,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:16:58,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:16:58,908 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:16:58,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 13:16:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:16:59,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:16:59,247 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:16:59,264 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-16 13:16:59,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:16:59,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755603588] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:16:59,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:16:59,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-10-16 13:16:59,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382680696] [2022-10-16 13:16:59,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:16:59,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:16:59,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:16:59,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:16:59,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:16:59,269 INFO L87 Difference]: Start difference. First operand 2053 states and 2834 transitions. Second operand has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 13:16:59,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:16:59,412 INFO L93 Difference]: Finished difference Result 4075 states and 5635 transitions. [2022-10-16 13:16:59,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:16:59,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 56 [2022-10-16 13:16:59,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:16:59,428 INFO L225 Difference]: With dead ends: 4075 [2022-10-16 13:16:59,428 INFO L226 Difference]: Without dead ends: 2054 [2022-10-16 13:16:59,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:16:59,439 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 14 mSDsluCounter, 753 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 1525 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:16:59,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 1525 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:16:59,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2054 states. [2022-10-16 13:16:59,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2054 to 2054. [2022-10-16 13:16:59,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 1522 states have (on average 1.4178712220762155) internal successors, (2158), 1595 states have internal predecessors, (2158), 338 states have call successors, (338), 131 states have call predecessors, (338), 131 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2022-10-16 13:16:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2834 transitions. [2022-10-16 13:16:59,604 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2834 transitions. Word has length 56 [2022-10-16 13:16:59,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:16:59,606 INFO L495 AbstractCegarLoop]: Abstraction has 2054 states and 2834 transitions. [2022-10-16 13:16:59,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 13:16:59,606 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2834 transitions. [2022-10-16 13:16:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 13:16:59,607 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:16:59,607 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:16:59,656 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 13:16:59,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-10-16 13:16:59,822 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:16:59,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:16:59,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1990496232, now seen corresponding path program 1 times [2022-10-16 13:16:59,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:16:59,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712069139] [2022-10-16 13:16:59,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:16:59,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:16:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:00,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:00,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:17:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:00,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:17:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:00,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:17:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:00,119 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:17:00,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:00,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712069139] [2022-10-16 13:17:00,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712069139] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:17:00,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784500213] [2022-10-16 13:17:00,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:00,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:17:00,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:17:00,122 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 13:17:00,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 13:17:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:00,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 955 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 13:17:00,424 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:17:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-10-16 13:17:00,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:17:00,454 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784500213] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:00,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:17:00,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-10-16 13:17:00,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344781550] [2022-10-16 13:17:00,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:00,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 13:17:00,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:00,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 13:17:00,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:00,458 INFO L87 Difference]: Start difference. First operand 2054 states and 2834 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 13:17:00,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:00,615 INFO L93 Difference]: Finished difference Result 2274 states and 3127 transitions. [2022-10-16 13:17:00,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 13:17:00,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 57 [2022-10-16 13:17:00,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:00,634 INFO L225 Difference]: With dead ends: 2274 [2022-10-16 13:17:00,634 INFO L226 Difference]: Without dead ends: 2273 [2022-10-16 13:17:00,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:00,638 INFO L413 NwaCegarLoop]: 1023 mSDtfsCounter, 228 mSDsluCounter, 772 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:00,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1795 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 13:17:00,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2022-10-16 13:17:00,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 2053. [2022-10-16 13:17:00,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2053 states, 1522 states have (on average 1.416557161629435) internal successors, (2156), 1594 states have internal predecessors, (2156), 338 states have call successors, (338), 131 states have call predecessors, (338), 131 states have return successors, (338), 338 states have call predecessors, (338), 338 states have call successors, (338) [2022-10-16 13:17:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2053 states to 2053 states and 2832 transitions. [2022-10-16 13:17:00,798 INFO L78 Accepts]: Start accepts. Automaton has 2053 states and 2832 transitions. Word has length 57 [2022-10-16 13:17:00,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:00,799 INFO L495 AbstractCegarLoop]: Abstraction has 2053 states and 2832 transitions. [2022-10-16 13:17:00,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-10-16 13:17:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2832 transitions. [2022-10-16 13:17:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 13:17:00,800 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:00,801 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:17:00,841 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 13:17:01,014 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 [2022-10-16 13:17:01,015 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:17:01,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:01,017 INFO L85 PathProgramCache]: Analyzing trace with hash -770004083, now seen corresponding path program 1 times [2022-10-16 13:17:01,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:01,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318405186] [2022-10-16 13:17:01,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:01,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:01,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:17:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:01,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:17:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:01,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:01,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:17:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:01,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:17:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:01,247 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:17:01,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:01,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318405186] [2022-10-16 13:17:01,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318405186] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:17:01,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274696156] [2022-10-16 13:17:01,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:01,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:17:01,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:17:01,250 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) [2022-10-16 13:17:01,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 13:17:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:01,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 1017 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:17:01,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:17:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:17:01,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:17:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:17:01,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274696156] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:17:01,809 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:17:01,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2022-10-16 13:17:01,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053818274] [2022-10-16 13:17:01,809 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:17:01,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:17:01,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:01,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:17:01,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:17:01,814 INFO L87 Difference]: Start difference. First operand 2053 states and 2832 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 6 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-10-16 13:17:08,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:08,434 INFO L93 Difference]: Finished difference Result 6530 states and 8908 transitions. [2022-10-16 13:17:08,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 13:17:08,434 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 6 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 60 [2022-10-16 13:17:08,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:08,481 INFO L225 Difference]: With dead ends: 6530 [2022-10-16 13:17:08,482 INFO L226 Difference]: Without dead ends: 6529 [2022-10-16 13:17:08,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2022-10-16 13:17:08,487 INFO L413 NwaCegarLoop]: 1012 mSDtfsCounter, 3654 mSDsluCounter, 2840 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 888 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3870 SdHoareTripleChecker+Valid, 3852 SdHoareTripleChecker+Invalid, 2998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 888 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:08,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3870 Valid, 3852 Invalid, 2998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [888 Valid, 2110 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 13:17:08,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6529 states. [2022-10-16 13:17:08,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6529 to 4316. [2022-10-16 13:17:08,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4316 states, 3248 states have (on average 1.4190270935960592) internal successors, (4609), 3332 states have internal predecessors, (4609), 728 states have call successors, (728), 278 states have call predecessors, (728), 278 states have return successors, (728), 728 states have call predecessors, (728), 728 states have call successors, (728) [2022-10-16 13:17:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4316 states to 4316 states and 6065 transitions. [2022-10-16 13:17:08,834 INFO L78 Accepts]: Start accepts. Automaton has 4316 states and 6065 transitions. Word has length 60 [2022-10-16 13:17:08,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:08,834 INFO L495 AbstractCegarLoop]: Abstraction has 4316 states and 6065 transitions. [2022-10-16 13:17:08,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 6 states have call successors, (14), 4 states have call predecessors, (14), 3 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2022-10-16 13:17:08,836 INFO L276 IsEmpty]: Start isEmpty. Operand 4316 states and 6065 transitions. [2022-10-16 13:17:08,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 13:17:08,837 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:08,837 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:17:08,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 13:17:09,052 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 [2022-10-16 13:17:09,053 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:17:09,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:09,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1899678187, now seen corresponding path program 1 times [2022-10-16 13:17:09,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:09,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779183728] [2022-10-16 13:17:09,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:09,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:09,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:09,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:17:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:09,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:17:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:09,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:09,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:09,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:17:09,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:09,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-10-16 13:17:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:09,309 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-10-16 13:17:09,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:09,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779183728] [2022-10-16 13:17:09,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779183728] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:17:09,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555175572] [2022-10-16 13:17:09,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:09,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:17:09,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:17:09,311 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) [2022-10-16 13:17:09,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 13:17:09,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:09,673 INFO L263 TraceCheckSpWp]: Trace formula consists of 1018 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:17:09,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:17:09,737 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:17:09,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 13:17:09,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555175572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 13:17:09,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 13:17:09,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-10-16 13:17:09,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191183442] [2022-10-16 13:17:09,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 13:17:09,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 13:17:09,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:09,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 13:17:09,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:09,739 INFO L87 Difference]: Start difference. First operand 4316 states and 6065 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-16 13:17:10,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:10,506 INFO L93 Difference]: Finished difference Result 9114 states and 12746 transitions. [2022-10-16 13:17:10,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 13:17:10,507 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 61 [2022-10-16 13:17:10,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:10,544 INFO L225 Difference]: With dead ends: 9114 [2022-10-16 13:17:10,545 INFO L226 Difference]: Without dead ends: 4830 [2022-10-16 13:17:10,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 13:17:10,568 INFO L413 NwaCegarLoop]: 1484 mSDtfsCounter, 1482 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 2048 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:10,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 2048 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 13:17:10,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4830 states. [2022-10-16 13:17:10,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4830 to 4315. [2022-10-16 13:17:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4315 states, 3248 states have (on average 1.4147167487684729) internal successors, (4595), 3331 states have internal predecessors, (4595), 728 states have call successors, (728), 278 states have call predecessors, (728), 278 states have return successors, (728), 728 states have call predecessors, (728), 728 states have call successors, (728) [2022-10-16 13:17:10,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4315 states to 4315 states and 6051 transitions. [2022-10-16 13:17:10,999 INFO L78 Accepts]: Start accepts. Automaton has 4315 states and 6051 transitions. Word has length 61 [2022-10-16 13:17:10,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:11,000 INFO L495 AbstractCegarLoop]: Abstraction has 4315 states and 6051 transitions. [2022-10-16 13:17:11,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 3 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-10-16 13:17:11,000 INFO L276 IsEmpty]: Start isEmpty. Operand 4315 states and 6051 transitions. [2022-10-16 13:17:11,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 13:17:11,001 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:11,001 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:17:11,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 13:17:11,217 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 [2022-10-16 13:17:11,217 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting DRIVEErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:17:11,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:11,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1591636693, now seen corresponding path program 1 times [2022-10-16 13:17:11,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:11,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912055123] [2022-10-16 13:17:11,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:11,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:11,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:17:11,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:11,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:17:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:11,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:17:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-10-16 13:17:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:11,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-16 13:17:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:11,520 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:17:11,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:11,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912055123] [2022-10-16 13:17:11,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912055123] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:17:11,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [466688294] [2022-10-16 13:17:11,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:11,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:17:11,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:17:11,522 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) [2022-10-16 13:17:11,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 13:17:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:11,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 1187 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 13:17:11,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:17:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:17:11,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 13:17:11,919 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-10-16 13:17:11,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [466688294] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 13:17:11,919 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 13:17:11,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2022-10-16 13:17:11,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548450089] [2022-10-16 13:17:11,920 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 13:17:11,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 13:17:11,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 13:17:11,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 13:17:11,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:17:11,921 INFO L87 Difference]: Start difference. First operand 4315 states and 6051 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-10-16 13:17:14,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 13:17:14,119 INFO L93 Difference]: Finished difference Result 8851 states and 12426 transitions. [2022-10-16 13:17:14,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 13:17:14,119 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 71 [2022-10-16 13:17:14,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 13:17:14,147 INFO L225 Difference]: With dead ends: 8851 [2022-10-16 13:17:14,147 INFO L226 Difference]: Without dead ends: 4568 [2022-10-16 13:17:14,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-10-16 13:17:14,167 INFO L413 NwaCegarLoop]: 748 mSDtfsCounter, 163 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 1661 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 13:17:14,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 1661 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 13:17:14,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states. [2022-10-16 13:17:14,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4568 to 4465. [2022-10-16 13:17:14,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4465 states, 3386 states have (on average 1.4013585351447135) internal successors, (4745), 3469 states have internal predecessors, (4745), 740 states have call successors, (740), 278 states have call predecessors, (740), 278 states have return successors, (740), 740 states have call predecessors, (740), 740 states have call successors, (740) [2022-10-16 13:17:14,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4465 states to 4465 states and 6225 transitions. [2022-10-16 13:17:14,449 INFO L78 Accepts]: Start accepts. Automaton has 4465 states and 6225 transitions. Word has length 71 [2022-10-16 13:17:14,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 13:17:14,449 INFO L495 AbstractCegarLoop]: Abstraction has 4465 states and 6225 transitions. [2022-10-16 13:17:14,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 7 states have internal predecessors, (69), 5 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2022-10-16 13:17:14,449 INFO L276 IsEmpty]: Start isEmpty. Operand 4465 states and 6225 transitions. [2022-10-16 13:17:14,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 13:17:14,452 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 13:17:14,453 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 13:17:14,492 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-10-16 13:17:14,667 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 [2022-10-16 13:17:14,667 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting DRIVEErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [pg_probeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_probeErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, pg_completionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 65 more)] === [2022-10-16 13:17:14,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 13:17:14,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2002399779, now seen corresponding path program 1 times [2022-10-16 13:17:14,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 13:17:14,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148721761] [2022-10-16 13:17:14,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:14,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 13:17:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-10-16 13:17:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-16 13:17:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-10-16 13:17:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-10-16 13:17:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-10-16 13:17:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-10-16 13:17:32,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-10-16 13:17:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-16 13:17:32,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-10-16 13:17:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-10-16 13:17:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:32,679 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-10-16 13:17:32,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 13:17:32,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148721761] [2022-10-16 13:17:32,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148721761] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 13:17:32,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198836601] [2022-10-16 13:17:32,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 13:17:32,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 13:17:32,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 13:17:32,681 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) [2022-10-16 13:17:32,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 13:17:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 13:17:34,253 INFO L263 TraceCheckSpWp]: Trace formula consists of 1432 conjuncts, 147 conjunts are in the unsatisfiable core [2022-10-16 13:17:34,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 13:17:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:17:34,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:17:34,343 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 28 [2022-10-16 13:17:34,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:17:34,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 27 [2022-10-16 13:17:34,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:17:34,381 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-10-16 13:17:34,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2022-10-16 13:17:34,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2022-10-16 13:17:34,950 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2022-10-16 13:17:35,242 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2022-10-16 13:17:35,606 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-10-16 13:17:35,607 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-10-16 13:17:35,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2022-10-16 13:17:35,860 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 13:17:35,861 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 16 [2022-10-16 13:17:35,877 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-16 13:17:35,879 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 7 [2022-10-16 13:17:37,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:17:37,748 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 74 [2022-10-16 13:17:44,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:17:44,966 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2022-10-16 13:18:01,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 99 [2022-10-16 13:18:21,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:18:21,023 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 114 [2022-10-16 13:18:59,293 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 163 treesize of output 159 [2022-10-16 13:19:28,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-16 13:19:28,381 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 104 [2022-10-16 13:20:28,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 124