/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --core.log.level.for.class de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN -tc ../../../trunk/examples/toolchains/AutomizerCTransformed.xml -s ../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7968f31 [2022-03-17 19:56:16,197 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-17 19:56:16,198 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-17 19:56:16,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-17 19:56:16,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-17 19:56:16,225 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-17 19:56:16,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-17 19:56:16,227 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-17 19:56:16,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-17 19:56:16,229 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-17 19:56:16,230 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-17 19:56:16,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-17 19:56:16,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-17 19:56:16,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-17 19:56:16,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-17 19:56:16,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-17 19:56:16,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-17 19:56:16,234 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-17 19:56:16,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-17 19:56:16,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-17 19:56:16,237 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-17 19:56:16,237 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-17 19:56:16,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-17 19:56:16,239 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-17 19:56:16,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-17 19:56:16,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-17 19:56:16,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-17 19:56:16,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-17 19:56:16,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-17 19:56:16,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-17 19:56:16,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-17 19:56:16,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-17 19:56:16,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-17 19:56:16,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-17 19:56:16,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-17 19:56:16,262 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-17 19:56:16,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-17 19:56:16,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-17 19:56:16,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-17 19:56:16,263 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-17 19:56:16,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-17 19:56:16,264 INFO L138 SettingsManager]: * Use SBE=true [2022-03-17 19:56:16,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-17 19:56:16,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-17 19:56:16,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-17 19:56:16,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-17 19:56:16,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-17 19:56:16,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-17 19:56:16,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-17 19:56:16,265 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-17 19:56:16,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-17 19:56:16,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-17 19:56:16,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-17 19:56:16,265 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-17 19:56:16,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 19:56:16,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-17 19:56:16,265 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-17 19:56:16,265 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-17 19:56:16,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-17 19:56:16,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-17 19:56:16,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-17 19:56:16,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-17 19:56:16,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-17 19:56:16,266 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-17 19:56:16,267 INFO L138 SettingsManager]: * TransformationType=LOOP_ACCELERATION_QVASR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-17 19:56:16,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-17 19:56:16,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-17 19:56:16,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-17 19:56:16,443 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-17 19:56:16,444 INFO L275 PluginConnector]: CDTParser initialized [2022-03-17 19:56:16,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-03-17 19:56:16,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b74016e73/95129e1ad3934748a06dd46461829f38/FLAGded5253fd [2022-03-17 19:56:16,883 INFO L306 CDTParser]: Found 1 translation units. [2022-03-17 19:56:16,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c [2022-03-17 19:56:16,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b74016e73/95129e1ad3934748a06dd46461829f38/FLAGded5253fd [2022-03-17 19:56:17,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b74016e73/95129e1ad3934748a06dd46461829f38 [2022-03-17 19:56:17,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-17 19:56:17,287 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-17 19:56:17,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-17 19:56:17,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-17 19:56:17,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-17 19:56:17,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:56:17" (1/1) ... [2022-03-17 19:56:17,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbfa772 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17, skipping insertion in model container [2022-03-17 19:56:17,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:56:17" (1/1) ... [2022-03-17 19:56:17,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-17 19:56:17,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-17 19:56:17,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c[11322,11335] [2022-03-17 19:56:17,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 19:56:17,523 INFO L203 MainTranslator]: Completed pre-run [2022-03-17 19:56:17,561 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_3.c[11322,11335] [2022-03-17 19:56:17,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-17 19:56:17,572 INFO L208 MainTranslator]: Completed translation [2022-03-17 19:56:17,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17 WrapperNode [2022-03-17 19:56:17,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-17 19:56:17,573 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-17 19:56:17,573 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-17 19:56:17,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-17 19:56:17,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17" (1/1) ... [2022-03-17 19:56:17,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17" (1/1) ... [2022-03-17 19:56:17,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17" (1/1) ... [2022-03-17 19:56:17,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17" (1/1) ... [2022-03-17 19:56:17,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17" (1/1) ... [2022-03-17 19:56:17,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17" (1/1) ... [2022-03-17 19:56:17,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17" (1/1) ... [2022-03-17 19:56:17,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-17 19:56:17,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-17 19:56:17,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-17 19:56:17,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-17 19:56:17,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17" (1/1) ... [2022-03-17 19:56:17,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-17 19:56:17,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 19:56:17,685 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) [2022-03-17 19:56:17,704 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 [2022-03-17 19:56:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-17 19:56:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-17 19:56:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-17 19:56:17,727 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-17 19:56:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-17 19:56:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-03-17 19:56:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-03-17 19:56:17,728 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-03-17 19:56:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-03-17 19:56:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-03-17 19:56:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-03-17 19:56:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-03-17 19:56:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-17 19:56:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-17 19:56:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-17 19:56:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-17 19:56:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-17 19:56:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-03-17 19:56:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-03-17 19:56:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-17 19:56:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-17 19:56:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-17 19:56:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-17 19:56:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-17 19:56:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-17 19:56:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-17 19:56:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-17 19:56:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-17 19:56:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-17 19:56:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-17 19:56:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-17 19:56:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-17 19:56:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-17 19:56:17,870 INFO L234 CfgBuilder]: Building ICFG [2022-03-17 19:56:17,872 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-17 19:56:18,273 INFO L275 CfgBuilder]: Performing block encoding [2022-03-17 19:56:18,291 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-17 19:56:18,291 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-17 19:56:18,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:56:18 BoogieIcfgContainer [2022-03-17 19:56:18,293 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-17 19:56:18,293 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-17 19:56:18,293 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-17 19:56:18,294 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-17 19:56:18,296 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:56:18" (1/1) ... [2022-03-17 19:56:18,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 07:56:18 BasicIcfg [2022-03-17 19:56:18,337 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-17 19:56:18,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-17 19:56:18,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-17 19:56:18,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-17 19:56:18,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:56:17" (1/4) ... [2022-03-17 19:56:18,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fc8fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:56:18, skipping insertion in model container [2022-03-17 19:56:18,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:56:17" (2/4) ... [2022-03-17 19:56:18,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fc8fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:56:18, skipping insertion in model container [2022-03-17 19:56:18,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.03 07:56:18" (3/4) ... [2022-03-17 19:56:18,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65fc8fe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 07:56:18, skipping insertion in model container [2022-03-17 19:56:18,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 17.03 07:56:18" (4/4) ... [2022-03-17 19:56:18,343 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_3.cqvasr [2022-03-17 19:56:18,352 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-17 19:56:18,353 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-17 19:56:18,384 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-17 19:56:18,389 INFO L340 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 [2022-03-17 19:56:18,389 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-17 19:56:18,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2022-03-17 19:56:18,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-17 19:56:18,413 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:56:18,413 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:56:18,413 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:56:18,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:56:18,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1557733986, now seen corresponding path program 1 times [2022-03-17 19:56:18,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:56:18,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101885178] [2022-03-17 19:56:18,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:56:18,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:56:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-17 19:56:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:18,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-17 19:56:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:18,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-17 19:56:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:18,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:56:18,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:56:18,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101885178] [2022-03-17 19:56:18,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101885178] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:56:18,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:56:18,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 19:56:18,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77344830] [2022-03-17 19:56:18,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:56:18,721 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 19:56:18,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:56:18,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 19:56:18,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 19:56:18,739 INFO L87 Difference]: Start difference. First operand has 128 states, 99 states have (on average 1.5353535353535352) internal successors, (152), 101 states have internal predecessors, (152), 16 states have call successors, (16), 11 states have call predecessors, (16), 11 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-17 19:56:19,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:56:19,111 INFO L93 Difference]: Finished difference Result 243 states and 363 transitions. [2022-03-17 19:56:19,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-17 19:56:19,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2022-03-17 19:56:19,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:56:19,123 INFO L225 Difference]: With dead ends: 243 [2022-03-17 19:56:19,123 INFO L226 Difference]: Without dead ends: 119 [2022-03-17 19:56:19,131 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:56:19,135 INFO L912 BasicCegarLoop]: 133 mSDtfsCounter, 238 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-17 19:56:19,137 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [245 Valid, 138 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-17 19:56:19,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2022-03-17 19:56:19,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2022-03-17 19:56:19,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 95 states have internal predecessors, (137), 16 states have call successors, (16), 11 states have call predecessors, (16), 8 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-03-17 19:56:19,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 165 transitions. [2022-03-17 19:56:19,194 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 165 transitions. Word has length 39 [2022-03-17 19:56:19,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:56:19,195 INFO L478 AbstractCegarLoop]: Abstraction has 119 states and 165 transitions. [2022-03-17 19:56:19,195 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-03-17 19:56:19,196 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 165 transitions. [2022-03-17 19:56:19,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-03-17 19:56:19,203 INFO L492 BasicCegarLoop]: Found error trace [2022-03-17 19:56:19,203 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-17 19:56:19,204 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-17 19:56:19,204 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-17 19:56:19,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-17 19:56:19,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1372227393, now seen corresponding path program 1 times [2022-03-17 19:56:19,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-17 19:56:19,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001759013] [2022-03-17 19:56:19,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:56:19,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-17 19:56:19,274 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-03-17 19:56:19,274 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [738437185] [2022-03-17 19:56:19,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-17 19:56:19,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 19:56:19,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-17 19:56:19,283 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) [2022-03-17 19:56:19,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-17 19:56:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-17 19:56:19,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2022-03-17 19:56:19,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-17 19:56:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-17 19:56:19,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-03-17 19:56:19,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-17 19:56:19,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001759013] [2022-03-17 19:56:19,558 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-03-17 19:56:19,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [738437185] [2022-03-17 19:56:19,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [738437185] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-17 19:56:19,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-17 19:56:19,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-17 19:56:19,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281364214] [2022-03-17 19:56:19,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-17 19:56:19,565 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-17 19:56:19,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-17 19:56:19,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-17 19:56:19,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-17 19:56:19,566 INFO L87 Difference]: Start difference. First operand 119 states and 165 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-17 19:56:19,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-17 19:56:19,597 INFO L93 Difference]: Finished difference Result 119 states and 165 transitions. [2022-03-17 19:56:19,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-17 19:56:19,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2022-03-17 19:56:19,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-17 19:56:19,598 INFO L225 Difference]: With dead ends: 119 [2022-03-17 19:56:19,598 INFO L226 Difference]: Without dead ends: 0 [2022-03-17 19:56:19,598 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-17 19:56:19,599 INFO L912 BasicCegarLoop]: 160 mSDtfsCounter, 5 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-17 19:56:19,599 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 477 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-17 19:56:19,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-17 19:56:19,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-17 19:56:19,600 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) [2022-03-17 19:56:19,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-17 19:56:19,600 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 39 [2022-03-17 19:56:19,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-17 19:56:19,601 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-17 19:56:19,601 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-03-17 19:56:19,601 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-17 19:56:19,601 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-17 19:56:19,603 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-17 19:56:19,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-17 19:56:19,819 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-17 19:56:19,822 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-17 19:56:19,967 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:19,967 INFO L878 garLoopResultBuilder]: At program point L424(line 424) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:19,967 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2022-03-17 19:56:19,967 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2022-03-17 19:56:19,967 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:19,967 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-17 19:56:19,967 INFO L882 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2022-03-17 19:56:19,967 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-17 19:56:19,968 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-17 19:56:19,968 INFO L882 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-03-17 19:56:19,968 INFO L882 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-03-17 19:56:19,968 INFO L882 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-03-17 19:56:19,968 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_99FINAL(lines 400 419) no Hoare annotation was computed. [2022-03-17 19:56:19,968 INFO L882 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2022-03-17 19:56:19,968 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2022-03-17 19:56:19,968 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-03-17 19:56:19,968 INFO L882 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-03-17 19:56:19,968 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-03-17 19:56:19,968 INFO L882 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-03-17 19:56:19,969 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-03-17 19:56:19,969 INFO L882 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-03-17 19:56:19,969 INFO L882 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2022-03-17 19:56:19,969 INFO L882 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-03-17 19:56:19,969 INFO L882 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-03-17 19:56:19,969 INFO L882 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-03-17 19:56:19,987 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-03-17 19:56:19,987 INFO L882 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-03-17 19:56:19,987 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-03-17 19:56:19,987 INFO L882 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-03-17 19:56:19,987 INFO L882 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-03-17 19:56:19,987 INFO L882 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-03-17 19:56:19,987 INFO L882 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-03-17 19:56:19,988 INFO L882 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2022-03-17 19:56:19,989 INFO L882 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2022-03-17 19:56:19,989 INFO L882 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-03-17 19:56:19,989 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:19,989 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-03-17 19:56:19,989 INFO L882 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-03-17 19:56:19,989 INFO L882 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2022-03-17 19:56:19,989 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-03-17 19:56:19,989 INFO L882 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-03-17 19:56:19,989 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-03-17 19:56:19,989 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2022-03-17 19:56:19,989 INFO L882 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-03-17 19:56:19,990 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2022-03-17 19:56:19,990 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-03-17 19:56:19,990 INFO L882 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-03-17 19:56:19,990 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-03-17 19:56:19,990 INFO L882 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-03-17 19:56:19,990 INFO L882 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2022-03-17 19:56:19,990 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-03-17 19:56:19,990 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-03-17 19:56:19,990 INFO L882 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2022-03-17 19:56:19,990 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-03-17 19:56:19,990 INFO L882 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2022-03-17 19:56:19,990 INFO L882 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2022-03-17 19:56:19,991 INFO L882 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-03-17 19:56:19,991 INFO L882 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2022-03-17 19:56:19,991 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:19,991 INFO L882 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-03-17 19:56:19,991 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2022-03-17 19:56:19,991 INFO L878 garLoopResultBuilder]: At program point L457(line 457) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#valid)| |#valid|)) [2022-03-17 19:56:19,991 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2022-03-17 19:56:19,991 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-03-17 19:56:19,991 INFO L882 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-03-17 19:56:19,991 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-03-17 19:56:19,991 INFO L882 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-03-17 19:56:19,992 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-03-17 19:56:19,992 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-03-17 19:56:19,992 INFO L882 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-03-17 19:56:19,992 INFO L882 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-03-17 19:56:19,992 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-03-17 19:56:19,992 INFO L882 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2022-03-17 19:56:19,992 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-03-17 19:56:19,992 INFO L882 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-03-17 19:56:19,992 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-03-17 19:56:19,992 INFO L882 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-03-17 19:56:19,992 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2022-03-17 19:56:19,992 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2022-03-17 19:56:19,993 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-03-17 19:56:19,993 INFO L882 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-03-17 19:56:19,994 INFO L882 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2022-03-17 19:56:19,994 INFO L882 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-03-17 19:56:19,994 INFO L882 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-03-17 19:56:19,994 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-03-17 19:56:19,994 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2022-03-17 19:56:19,994 INFO L882 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-03-17 19:56:19,994 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2022-03-17 19:56:19,994 INFO L885 garLoopResultBuilder]: At program point L274(line 274) the Hoare annotation is: true [2022-03-17 19:56:19,994 INFO L882 garLoopResultBuilder]: For program point L274-1(line 274) no Hoare annotation was computed. [2022-03-17 19:56:19,994 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#NULL.offset| |old(#NULL.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |old(#NULL.base)| |#NULL.base|)) [2022-03-17 19:56:19,994 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-17 19:56:19,995 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-17 19:56:19,995 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-17 19:56:19,995 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-17 19:56:19,995 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-17 19:56:19,995 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-17 19:56:19,995 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-03-17 19:56:19,995 INFO L882 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-03-17 19:56:19,995 INFO L882 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-03-17 19:56:19,995 INFO L882 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-03-17 19:56:19,995 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-03-17 19:56:19,995 INFO L882 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-03-17 19:56:19,995 INFO L882 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2022-03-17 19:56:19,996 INFO L882 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2022-03-17 19:56:19,996 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2022-03-17 19:56:19,996 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2022-03-17 19:56:19,998 INFO L718 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-17 19:56:19,999 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-17 19:56:20,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 07:56:20 BasicIcfg [2022-03-17 19:56:20,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-17 19:56:20,011 INFO L158 Benchmark]: Toolchain (without parser) took 2723.10ms. Allocated memory was 190.8MB in the beginning and 229.6MB in the end (delta: 38.8MB). Free memory was 164.7MB in the beginning and 194.5MB in the end (delta: -29.9MB). Peak memory consumption was 104.2MB. Max. memory is 8.0GB. [2022-03-17 19:56:20,011 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-17 19:56:20,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.81ms. Allocated memory is still 190.8MB. Free memory was 164.4MB in the beginning and 156.7MB in the end (delta: 7.7MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2022-03-17 19:56:20,011 INFO L158 Benchmark]: Boogie Preprocessor took 86.21ms. Allocated memory is still 190.8MB. Free memory was 156.7MB in the beginning and 153.1MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 19:56:20,012 INFO L158 Benchmark]: RCFGBuilder took 632.81ms. Allocated memory is still 190.8MB. Free memory was 153.1MB in the beginning and 123.1MB in the end (delta: 30.0MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-03-17 19:56:20,012 INFO L158 Benchmark]: IcfgTransformer took 43.62ms. Allocated memory is still 190.8MB. Free memory was 123.1MB in the beginning and 120.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-17 19:56:20,012 INFO L158 Benchmark]: TraceAbstraction took 1671.73ms. Allocated memory was 190.8MB in the beginning and 229.6MB in the end (delta: 38.8MB). Free memory was 119.6MB in the beginning and 194.5MB in the end (delta: -75.0MB). Peak memory consumption was 59.6MB. Max. memory is 8.0GB. [2022-03-17 19:56:20,014 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 190.8MB. Free memory is still 150.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 284.81ms. Allocated memory is still 190.8MB. Free memory was 164.4MB in the beginning and 156.7MB in the end (delta: 7.7MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 86.21ms. Allocated memory is still 190.8MB. Free memory was 156.7MB in the beginning and 153.1MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 632.81ms. Allocated memory is still 190.8MB. Free memory was 153.1MB in the beginning and 123.1MB in the end (delta: 30.0MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * IcfgTransformer took 43.62ms. Allocated memory is still 190.8MB. Free memory was 123.1MB in the beginning and 120.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1671.73ms. Allocated memory was 190.8MB in the beginning and 229.6MB in the end (delta: 38.8MB). Free memory was 119.6MB in the beginning and 194.5MB in the end (delta: -75.0MB). Peak memory consumption was 59.6MB. 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: 463]: 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, 128 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 250 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 243 mSDsluCounter, 615 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 322 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 293 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 76 PreInvPairs, 91 NumberOfFragments, 205 HoareAnnotationTreeSize, 76 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 SizeOfPredicates, 1 NumberOfNonLiveVariables, 546 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: \old(Id_MCDC_114) == Id_MCDC_114 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-03-17 19:56:20,054 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...