/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/ldv-regression/rule60_list.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:07:46,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:07:46,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:07:46,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:07:46,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:07:46,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:07:46,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:07:46,159 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:07:46,161 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:07:46,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:07:46,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:07:46,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:07:46,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:07:46,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:07:46,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:07:46,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:07:46,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:07:46,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:07:46,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:07:46,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:07:46,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:07:46,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:07:46,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:07:46,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:07:46,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:07:46,206 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:07:46,206 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:07:46,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:07:46,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:07:46,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:07:46,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:07:46,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:07:46,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:07:46,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:07:46,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:07:46,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:07:46,221 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:07:46,221 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:07:46,221 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:07:46,222 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:07:46,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:07:46,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:07:46,268 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:07:46,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:07:46,269 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:07:46,269 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:07:46,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:07:46,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:07:46,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:07:46,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:07:46,271 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:07:46,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:07:46,285 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:07:46,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:07:46,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:07:46,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:07:46,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:07:46,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:07:46,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:07:46,286 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:07:46,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:07:46,286 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:07:46,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:07:46,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:07:46,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:07:46,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:07:46,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:07:46,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:07:46,287 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:07:46,287 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:07:46,287 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:07:46,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:07:46,287 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:07:46,288 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:07:46,288 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:07:46,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:07:46,288 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:07:46,288 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:07:46,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:07:46,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:07:46,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:07:46,731 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:07:46,745 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:07:46,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-regression/rule60_list.i [2023-03-31 00:07:48,775 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:07:49,212 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:07:49,213 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-regression/rule60_list.i [2023-03-31 00:07:49,232 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f740f235/596a919036d54c67beb7fa9c40a57a10/FLAG34b385bef [2023-03-31 00:07:49,263 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f740f235/596a919036d54c67beb7fa9c40a57a10 [2023-03-31 00:07:49,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:07:49,267 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:07:49,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:07:49,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:07:49,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:07:49,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:07:49" (1/1) ... [2023-03-31 00:07:49,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30070b6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:49, skipping insertion in model container [2023-03-31 00:07:49,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:07:49" (1/1) ... [2023-03-31 00:07:49,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:07:49,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:07:49,648 WARN L247 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-regression/rule60_list.i[291,304] [2023-03-31 00:07:49,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:07:49,903 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:07:49,926 WARN L247 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-regression/rule60_list.i[291,304] [2023-03-31 00:07:49,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:07:50,018 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:07:50,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50 WrapperNode [2023-03-31 00:07:50,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:07:50,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:07:50,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:07:50,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:07:50,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50" (1/1) ... [2023-03-31 00:07:50,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50" (1/1) ... [2023-03-31 00:07:50,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50" (1/1) ... [2023-03-31 00:07:50,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50" (1/1) ... [2023-03-31 00:07:50,119 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50" (1/1) ... [2023-03-31 00:07:50,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50" (1/1) ... [2023-03-31 00:07:50,122 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50" (1/1) ... [2023-03-31 00:07:50,123 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50" (1/1) ... [2023-03-31 00:07:50,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:07:50,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:07:50,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:07:50,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:07:50,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50" (1/1) ... [2023-03-31 00:07:50,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:07:50,182 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:07:50,211 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) [2023-03-31 00:07:50,252 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 [2023-03-31 00:07:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:07:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:07:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:07:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2023-03-31 00:07:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2023-03-31 00:07:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2023-03-31 00:07:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2023-03-31 00:07:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2023-03-31 00:07:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2023-03-31 00:07:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2023-03-31 00:07:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2023-03-31 00:07:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:07:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:07:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:07:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:07:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:07:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2023-03-31 00:07:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2023-03-31 00:07:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2023-03-31 00:07:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2023-03-31 00:07:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2023-03-31 00:07:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2023-03-31 00:07:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2023-03-31 00:07:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2023-03-31 00:07:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2023-03-31 00:07:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2023-03-31 00:07:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2023-03-31 00:07:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2023-03-31 00:07:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2023-03-31 00:07:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2023-03-31 00:07:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2023-03-31 00:07:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2023-03-31 00:07:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2023-03-31 00:07:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2023-03-31 00:07:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2023-03-31 00:07:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2023-03-31 00:07:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2023-03-31 00:07:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2023-03-31 00:07:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure select [2023-03-31 00:07:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2023-03-31 00:07:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2023-03-31 00:07:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2023-03-31 00:07:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2023-03-31 00:07:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure random [2023-03-31 00:07:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2023-03-31 00:07:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2023-03-31 00:07:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2023-03-31 00:07:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2023-03-31 00:07:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2023-03-31 00:07:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2023-03-31 00:07:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2023-03-31 00:07:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2023-03-31 00:07:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2023-03-31 00:07:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2023-03-31 00:07:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2023-03-31 00:07:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2023-03-31 00:07:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2023-03-31 00:07:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2023-03-31 00:07:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2023-03-31 00:07:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2023-03-31 00:07:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2023-03-31 00:07:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2023-03-31 00:07:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2023-03-31 00:07:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2023-03-31 00:07:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2023-03-31 00:07:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2023-03-31 00:07:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2023-03-31 00:07:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2023-03-31 00:07:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2023-03-31 00:07:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2023-03-31 00:07:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2023-03-31 00:07:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2023-03-31 00:07:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:07:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2023-03-31 00:07:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2023-03-31 00:07:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:07:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2023-03-31 00:07:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2023-03-31 00:07:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2023-03-31 00:07:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2023-03-31 00:07:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2023-03-31 00:07:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2023-03-31 00:07:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2023-03-31 00:07:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2023-03-31 00:07:50,329 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2023-03-31 00:07:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2023-03-31 00:07:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2023-03-31 00:07:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2023-03-31 00:07:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2023-03-31 00:07:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2023-03-31 00:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2023-03-31 00:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2023-03-31 00:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2023-03-31 00:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2023-03-31 00:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2023-03-31 00:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure system [2023-03-31 00:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2023-03-31 00:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2023-03-31 00:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2023-03-31 00:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2023-03-31 00:07:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2023-03-31 00:07:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2023-03-31 00:07:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure div [2023-03-31 00:07:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2023-03-31 00:07:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2023-03-31 00:07:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2023-03-31 00:07:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2023-03-31 00:07:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2023-03-31 00:07:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2023-03-31 00:07:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2023-03-31 00:07:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2023-03-31 00:07:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2023-03-31 00:07:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2023-03-31 00:07:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2023-03-31 00:07:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2023-03-31 00:07:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2023-03-31 00:07:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2023-03-31 00:07:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2023-03-31 00:07:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2023-03-31 00:07:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2023-03-31 00:07:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2023-03-31 00:07:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2023-03-31 00:07:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2023-03-31 00:07:50,335 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2023-03-31 00:07:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:07:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:07:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2023-03-31 00:07:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:07:50,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:07:50,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:07:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:07:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-31 00:07:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:07:50,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:07:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:07:50,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:07:50,755 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:07:50,757 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:07:50,893 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:07:50,899 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:07:50,899 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-03-31 00:07:50,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:07:50 BoogieIcfgContainer [2023-03-31 00:07:50,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:07:50,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:07:50,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:07:50,906 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:07:50,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:07:49" (1/3) ... [2023-03-31 00:07:50,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9b5f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:07:50, skipping insertion in model container [2023-03-31 00:07:50,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:07:50" (2/3) ... [2023-03-31 00:07:50,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e9b5f8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:07:50, skipping insertion in model container [2023-03-31 00:07:50,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:07:50" (3/3) ... [2023-03-31 00:07:50,909 INFO L112 eAbstractionObserver]: Analyzing ICFG rule60_list.i [2023-03-31 00:07:50,926 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:07:50,926 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:07:51,013 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:07:51,022 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=PETRI_NET, 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;@70386734, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:07:51,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:07:51,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 21 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-03-31 00:07:51,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-03-31 00:07:51,053 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:07:51,054 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:07:51,054 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:07:51,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:07:51,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1468354531, now seen corresponding path program 1 times [2023-03-31 00:07:51,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:07:51,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297317249] [2023-03-31 00:07:51,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:07:51,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:07:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:07:52,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:07:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:07:52,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:07:52,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:07:52,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297317249] [2023-03-31 00:07:52,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297317249] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:07:52,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:07:52,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 00:07:52,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807131539] [2023-03-31 00:07:52,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:07:52,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-03-31 00:07:52,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:07:52,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-03-31 00:07:52,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-03-31 00:07:52,480 INFO L87 Difference]: Start difference. First operand has 31 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 21 states have internal predecessors, (21), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:07:52,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:07:52,854 INFO L93 Difference]: Finished difference Result 55 states and 66 transitions. [2023-03-31 00:07:52,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-03-31 00:07:52,860 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-03-31 00:07:52,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:07:52,879 INFO L225 Difference]: With dead ends: 55 [2023-03-31 00:07:52,880 INFO L226 Difference]: Without dead ends: 26 [2023-03-31 00:07:52,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-03-31 00:07:52,888 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 40 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 00:07:52,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 23 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 00:07:52,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-03-31 00:07:52,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-03-31 00:07:52,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 16 states have internal predecessors, (16), 7 states have call successors, (7), 6 states have call predecessors, (7), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-31 00:07:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2023-03-31 00:07:52,957 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 12 [2023-03-31 00:07:52,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:07:52,957 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2023-03-31 00:07:52,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 4 states have call successors, (4), 4 states have call predecessors, (4), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-03-31 00:07:52,958 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2023-03-31 00:07:52,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-03-31 00:07:52,959 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:07:52,959 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:07:52,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:07:52,959 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:07:52,960 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:07:52,960 INFO L85 PathProgramCache]: Analyzing trace with hash -818501216, now seen corresponding path program 1 times [2023-03-31 00:07:52,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:07:52,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232868935] [2023-03-31 00:07:52,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:07:52,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:07:53,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:07:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:07:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:07:53,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 00:07:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:07:53,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:07:53,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:07:53,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232868935] [2023-03-31 00:07:53,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232868935] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:07:53,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:07:53,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 00:07:53,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848442593] [2023-03-31 00:07:53,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:07:53,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 00:07:53,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:07:53,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 00:07:53,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2023-03-31 00:07:53,829 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 6 states have internal predecessors, (11), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-31 00:07:54,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:07:54,376 INFO L93 Difference]: Finished difference Result 28 states and 27 transitions. [2023-03-31 00:07:54,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-03-31 00:07:54,393 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 6 states have internal predecessors, (11), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-03-31 00:07:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:07:54,394 INFO L225 Difference]: With dead ends: 28 [2023-03-31 00:07:54,394 INFO L226 Difference]: Without dead ends: 25 [2023-03-31 00:07:54,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=104, Invalid=358, Unknown=0, NotChecked=0, Total=462 [2023-03-31 00:07:54,400 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 37 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-03-31 00:07:54,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 15 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-03-31 00:07:54,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2023-03-31 00:07:54,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-03-31 00:07:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 15 states have (on average 1.0) internal successors, (15), 15 states have internal predecessors, (15), 6 states have call successors, (6), 6 states have call predecessors, (6), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-03-31 00:07:54,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 24 transitions. [2023-03-31 00:07:54,411 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 24 transitions. Word has length 18 [2023-03-31 00:07:54,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:07:54,411 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 24 transitions. [2023-03-31 00:07:54,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 6 states have internal predecessors, (11), 5 states have call successors, (5), 5 states have call predecessors, (5), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-03-31 00:07:54,412 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 24 transitions. [2023-03-31 00:07:54,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-03-31 00:07:54,413 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:07:54,413 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:07:54,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 00:07:54,414 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:07:54,417 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:07:54,418 INFO L85 PathProgramCache]: Analyzing trace with hash 579848999, now seen corresponding path program 1 times [2023-03-31 00:07:54,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:07:54,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435388952] [2023-03-31 00:07:54,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:07:54,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:07:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:07:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:07:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:07:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-03-31 00:07:54,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:07:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-03-31 00:07:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:07:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:07:55,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:07:55,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435388952] [2023-03-31 00:07:55,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435388952] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:07:55,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772629606] [2023-03-31 00:07:55,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:07:55,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:07:55,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:07:55,133 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) [2023-03-31 00:07:55,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:07:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:07:55,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 31 conjunts are in the unsatisfiable core [2023-03-31 00:07:55,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:07:55,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-03-31 00:07:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 00:07:55,564 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:07:55,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772629606] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:07:55,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:07:55,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 15 [2023-03-31 00:07:55,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718488341] [2023-03-31 00:07:55,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:07:55,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:07:55,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:07:55,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:07:55,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2023-03-31 00:07:55,570 INFO L87 Difference]: Start difference. First operand 25 states and 24 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-31 00:07:55,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:07:55,648 INFO L93 Difference]: Finished difference Result 25 states and 24 transitions. [2023-03-31 00:07:55,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:07:55,649 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-03-31 00:07:55,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:07:55,654 INFO L225 Difference]: With dead ends: 25 [2023-03-31 00:07:55,654 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 00:07:55,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2023-03-31 00:07:55,657 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 5 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:07:55,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 62 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:07:55,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 00:07:55,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 00:07:55,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-03-31 00:07:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 00:07:55,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-03-31 00:07:55,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:07:55,660 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 00:07:55,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (3), 2 states have call predecessors, (3), 1 states have call successors, (3) [2023-03-31 00:07:55,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 00:07:55,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 00:07:55,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 00:07:55,675 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 00:07:55,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:07:55,880 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 00:07:56,133 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-03-31 00:07:56,134 INFO L899 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2023-03-31 00:07:56,134 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-03-31 00:07:56,134 INFO L899 garLoopResultBuilder]: For program point __uint64_identityFINAL(lines 186 190) no Hoare annotation was computed. [2023-03-31 00:07:56,134 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 186 190) no Hoare annotation was computed. [2023-03-31 00:07:56,134 INFO L899 garLoopResultBuilder]: For program point __uint64_identityEXIT(lines 186 190) no Hoare annotation was computed. [2023-03-31 00:07:56,134 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 166 170) no Hoare annotation was computed. [2023-03-31 00:07:56,134 INFO L899 garLoopResultBuilder]: For program point __bswap_32FINAL(lines 166 170) no Hoare annotation was computed. [2023-03-31 00:07:56,134 INFO L899 garLoopResultBuilder]: For program point __bswap_32EXIT(lines 166 170) no Hoare annotation was computed. [2023-03-31 00:07:56,134 INFO L899 garLoopResultBuilder]: For program point __uint32_identityFINAL(lines 181 185) no Hoare annotation was computed. [2023-03-31 00:07:56,134 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 181 185) no Hoare annotation was computed. [2023-03-31 00:07:56,135 INFO L899 garLoopResultBuilder]: For program point __uint32_identityEXIT(lines 181 185) no Hoare annotation was computed. [2023-03-31 00:07:56,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2023-03-31 00:07:56,135 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= |old(~#head~0.base)| |~#head~0.base|) (= |~#head~0.offset| |old(~#head~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-31 00:07:56,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 00:07:56,135 INFO L899 garLoopResultBuilder]: For program point mainFINAL(lines 531 541) no Hoare annotation was computed. [2023-03-31 00:07:56,135 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 531 541) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (< |~#head~0.offset| 0) (< 0 |~#head~0.offset|)) [2023-03-31 00:07:56,135 INFO L895 garLoopResultBuilder]: At program point L537(line 537) the Hoare annotation is: (or (< |~#head~0.offset| 0) (and (= (select (select |#memory_int| main_~dev~0.base) 8) 0) (= main_~dev~0.offset 0)) (< 0 |~#head~0.offset|)) [2023-03-31 00:07:56,137 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 531 541) no Hoare annotation was computed. [2023-03-31 00:07:56,137 INFO L895 garLoopResultBuilder]: At program point L536(line 536) the Hoare annotation is: (or (< |~#head~0.offset| 0) (and (= (select (select |#memory_int| main_~dev~0.base) 8) 0) (= main_~dev~0.offset 0)) (< 0 |~#head~0.offset|)) [2023-03-31 00:07:56,137 INFO L895 garLoopResultBuilder]: At program point L536-1(line 536) the Hoare annotation is: (or (< |~#head~0.offset| 0) (and (= main_~dev~0.offset 0) (= (select (select |#memory_int| main_~dev~0.base) 8) 1)) (< 0 |~#head~0.offset|)) [2023-03-31 00:07:56,139 INFO L899 garLoopResultBuilder]: For program point L534(lines 534 539) no Hoare annotation was computed. [2023-03-31 00:07:56,140 INFO L899 garLoopResultBuilder]: For program point L534-1(lines 534 539) no Hoare annotation was computed. [2023-03-31 00:07:56,140 INFO L899 garLoopResultBuilder]: For program point L523(line 523) no Hoare annotation was computed. [2023-03-31 00:07:56,140 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 522 525) the Hoare annotation is: (or (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) (+ |list_add_#in~new.offset| 8)) 0)) (< |~#head~0.offset| 0) (< 0 |~#head~0.offset|)) [2023-03-31 00:07:56,140 INFO L895 garLoopResultBuilder]: At program point L523-2(line 523) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_add_#in~new.base|) (+ |list_add_#in~new.offset| 8)) 0)) (< |~#head~0.offset| 0) (< 0 |~#head~0.offset|)) [2023-03-31 00:07:56,140 INFO L899 garLoopResultBuilder]: For program point L523-3(line 523) no Hoare annotation was computed. [2023-03-31 00:07:56,140 INFO L899 garLoopResultBuilder]: For program point list_addFINAL(lines 522 525) no Hoare annotation was computed. [2023-03-31 00:07:56,140 INFO L899 garLoopResultBuilder]: For program point list_addEXIT(lines 522 525) no Hoare annotation was computed. [2023-03-31 00:07:56,140 INFO L899 garLoopResultBuilder]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2023-03-31 00:07:56,140 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 4 7) the Hoare annotation is: true [2023-03-31 00:07:56,141 INFO L899 garLoopResultBuilder]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2023-03-31 00:07:56,141 INFO L899 garLoopResultBuilder]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2023-03-31 00:07:56,141 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 171 175) no Hoare annotation was computed. [2023-03-31 00:07:56,141 INFO L899 garLoopResultBuilder]: For program point __bswap_64FINAL(lines 171 175) no Hoare annotation was computed. [2023-03-31 00:07:56,141 INFO L899 garLoopResultBuilder]: For program point __bswap_64EXIT(lines 171 175) no Hoare annotation was computed. [2023-03-31 00:07:56,141 INFO L899 garLoopResultBuilder]: For program point L527(line 527) no Hoare annotation was computed. [2023-03-31 00:07:56,141 INFO L899 garLoopResultBuilder]: For program point list_delFINAL(lines 526 529) no Hoare annotation was computed. [2023-03-31 00:07:56,141 INFO L895 garLoopResultBuilder]: At program point L527-2(line 527) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1)) (< |~#head~0.offset| 0) (< 0 |~#head~0.offset|) (not (= |list_del_#in~entry.offset| 0))) [2023-03-31 00:07:56,141 INFO L899 garLoopResultBuilder]: For program point L527-3(line 527) no Hoare annotation was computed. [2023-03-31 00:07:56,141 INFO L899 garLoopResultBuilder]: For program point list_delEXIT(lines 526 529) no Hoare annotation was computed. [2023-03-31 00:07:56,141 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 526 529) the Hoare annotation is: (or (not (= (select (select |old(#memory_int)| |list_del_#in~entry.base|) 8) 1)) (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (< |~#head~0.offset| 0) (< 0 |~#head~0.offset|) (not (= |list_del_#in~entry.offset| 0))) [2023-03-31 00:07:56,142 INFO L899 garLoopResultBuilder]: For program point __uint16_identityEXIT(lines 176 180) no Hoare annotation was computed. [2023-03-31 00:07:56,142 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 176 180) no Hoare annotation was computed. [2023-03-31 00:07:56,142 INFO L899 garLoopResultBuilder]: For program point __uint16_identityFINAL(lines 176 180) no Hoare annotation was computed. [2023-03-31 00:07:56,142 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 00:07:56,142 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (<= 0 |~#head~0.offset|) (<= |~#head~0.offset| 0)) [2023-03-31 00:07:56,142 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 00:07:56,142 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 00:07:56,145 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-03-31 00:07:56,146 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 00:07:56,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 12:07:56 BoogieIcfgContainer [2023-03-31 00:07:56,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 00:07:56,169 INFO L158 Benchmark]: Toolchain (without parser) took 6902.36ms. Allocated memory is still 232.8MB. Free memory was 184.2MB in the beginning and 195.9MB in the end (delta: -11.7MB). Peak memory consumption was 116.1MB. Max. memory is 8.0GB. [2023-03-31 00:07:56,170 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 00:07:56,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 740.28ms. Allocated memory is still 232.8MB. Free memory was 184.2MB in the beginning and 167.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-03-31 00:07:56,170 INFO L158 Benchmark]: Boogie Preprocessor took 104.39ms. Allocated memory is still 232.8MB. Free memory was 167.4MB in the beginning and 165.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-03-31 00:07:56,170 INFO L158 Benchmark]: RCFGBuilder took 767.04ms. Allocated memory is still 232.8MB. Free memory was 165.0MB in the beginning and 145.4MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-03-31 00:07:56,170 INFO L158 Benchmark]: TraceAbstraction took 5266.08ms. Allocated memory is still 232.8MB. Free memory was 144.8MB in the beginning and 195.9MB in the end (delta: -51.1MB). Peak memory consumption was 77.3MB. Max. memory is 8.0GB. [2023-03-31 00:07:56,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 167.8MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 740.28ms. Allocated memory is still 232.8MB. Free memory was 184.2MB in the beginning and 167.4MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 104.39ms. Allocated memory is still 232.8MB. Free memory was 167.4MB in the beginning and 165.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 767.04ms. Allocated memory is still 232.8MB. Free memory was 165.0MB in the beginning and 145.4MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 5266.08ms. Allocated memory is still 232.8MB. Free memory was 144.8MB in the beginning and 195.9MB in the end (delta: -51.1MB). Peak memory consumption was 77.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 6]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 83 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 100 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 76 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 289 IncrementalHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 24 mSDtfsCounter, 289 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 21 PreInvPairs, 23 NumberOfFragments, 185 HoareAnnotationTreeSize, 21 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 141 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 493 SizeOfPredicates, 9 NumberOfNonLiveVariables, 199 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 3/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-03-31 00:07:56,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...