/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_5.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-b030c9e [2022-03-20 08:39:07,334 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-20 08:39:07,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-20 08:39:07,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-20 08:39:07,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-20 08:39:07,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-20 08:39:07,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-20 08:39:07,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-20 08:39:07,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-20 08:39:07,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-20 08:39:07,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-20 08:39:07,374 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-20 08:39:07,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-20 08:39:07,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-20 08:39:07,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-20 08:39:07,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-20 08:39:07,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-20 08:39:07,378 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-20 08:39:07,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-20 08:39:07,381 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-20 08:39:07,382 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-20 08:39:07,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-20 08:39:07,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-20 08:39:07,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-20 08:39:07,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-20 08:39:07,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-20 08:39:07,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-20 08:39:07,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-20 08:39:07,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-20 08:39:07,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-20 08:39:07,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-20 08:39:07,390 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-20 08:39:07,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-20 08:39:07,391 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-20 08:39:07,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-20 08:39:07,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-20 08:39:07,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-20 08:39:07,393 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-20 08:39:07,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-20 08:39:07,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-20 08:39:07,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-20 08:39:07,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-20 08:39:07,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-20 08:39:07,422 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-20 08:39:07,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-20 08:39:07,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-20 08:39:07,425 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-20 08:39:07,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-20 08:39:07,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-20 08:39:07,426 INFO L138 SettingsManager]: * Use SBE=true [2022-03-20 08:39:07,426 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-20 08:39:07,426 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-20 08:39:07,427 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-20 08:39:07,427 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-20 08:39:07,427 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-20 08:39:07,427 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-20 08:39:07,428 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-20 08:39:07,428 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-20 08:39:07,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-20 08:39:07,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-20 08:39:07,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-20 08:39:07,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-20 08:39:07,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 08:39:07,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-20 08:39:07,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-20 08:39:07,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-20 08:39:07,429 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-20 08:39:07,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-20 08:39:07,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-20 08:39:07,429 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-20 08:39:07,429 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-20 08:39:07,430 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-20 08:39:07,430 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-20 08:39:07,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-20 08:39:07,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-20 08:39:07,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-20 08:39:07,664 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-20 08:39:07,667 INFO L275 PluginConnector]: CDTParser initialized [2022-03-20 08:39:07,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-03-20 08:39:07,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02fa857f3/b8e11a7c727144179cf5fd6a805619e7/FLAG635b56945 [2022-03-20 08:39:08,144 INFO L306 CDTParser]: Found 1 translation units. [2022-03-20 08:39:08,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-03-20 08:39:08,152 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02fa857f3/b8e11a7c727144179cf5fd6a805619e7/FLAG635b56945 [2022-03-20 08:39:08,160 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/02fa857f3/b8e11a7c727144179cf5fd6a805619e7 [2022-03-20 08:39:08,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-20 08:39:08,163 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-20 08:39:08,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-20 08:39:08,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-20 08:39:08,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-20 08:39:08,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 08:39:08" (1/1) ... [2022-03-20 08:39:08,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179822d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08, skipping insertion in model container [2022-03-20 08:39:08,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.03 08:39:08" (1/1) ... [2022-03-20 08:39:08,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-20 08:39:08,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-20 08:39:08,420 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_5.c[11314,11327] [2022-03-20 08:39:08,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 08:39:08,429 INFO L203 MainTranslator]: Completed pre-run [2022-03-20 08:39:08,478 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_5.c[11314,11327] [2022-03-20 08:39:08,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-20 08:39:08,491 INFO L208 MainTranslator]: Completed translation [2022-03-20 08:39:08,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08 WrapperNode [2022-03-20 08:39:08,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-20 08:39:08,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-20 08:39:08,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-20 08:39:08,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-20 08:39:08,502 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08" (1/1) ... [2022-03-20 08:39:08,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08" (1/1) ... [2022-03-20 08:39:08,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08" (1/1) ... [2022-03-20 08:39:08,515 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08" (1/1) ... [2022-03-20 08:39:08,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08" (1/1) ... [2022-03-20 08:39:08,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08" (1/1) ... [2022-03-20 08:39:08,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08" (1/1) ... [2022-03-20 08:39:08,558 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-20 08:39:08,559 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-20 08:39:08,559 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-20 08:39:08,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-20 08:39:08,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08" (1/1) ... [2022-03-20 08:39:08,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-20 08:39:08,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-20 08:39:08,604 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) [2022-03-20 08:39:08,605 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 [2022-03-20 08:39:08,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-20 08:39:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-20 08:39:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-20 08:39:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-20 08:39:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-20 08:39:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-03-20 08:39:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-03-20 08:39:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-03-20 08:39:08,632 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-03-20 08:39:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-03-20 08:39:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-03-20 08:39:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-03-20 08:39:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-20 08:39:08,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-20 08:39:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-20 08:39:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-20 08:39:08,633 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-03-20 08:39:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-20 08:39:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-20 08:39:08,747 INFO L234 CfgBuilder]: Building ICFG [2022-03-20 08:39:08,748 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-20 08:39:09,179 INFO L275 CfgBuilder]: Performing block encoding [2022-03-20 08:39:09,185 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-20 08:39:09,185 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-20 08:39:09,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:39:09 BoogieIcfgContainer [2022-03-20 08:39:09,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-20 08:39:09,193 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-20 08:39:09,193 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-20 08:39:09,194 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-20 08:39:09,197 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:39:09" (1/1) ... [2022-03-20 08:39:09,199 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-03-20 08:39:09,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 08:39:09 BasicIcfg [2022-03-20 08:39:09,250 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-20 08:39:09,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-20 08:39:09,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-20 08:39:09,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-20 08:39:09,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.03 08:39:08" (1/4) ... [2022-03-20 08:39:09,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1d2409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 08:39:09, skipping insertion in model container [2022-03-20 08:39:09,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.03 08:39:08" (2/4) ... [2022-03-20 08:39:09,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1d2409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.03 08:39:09, skipping insertion in model container [2022-03-20 08:39:09,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.03 08:39:09" (3/4) ... [2022-03-20 08:39:09,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1d2409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 08:39:09, skipping insertion in model container [2022-03-20 08:39:09,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 20.03 08:39:09" (4/4) ... [2022-03-20 08:39:09,260 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_5.cqvasr [2022-03-20 08:39:09,267 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-20 08:39:09,267 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-20 08:39:09,310 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-20 08:39:09,325 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 [2022-03-20 08:39:09,325 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-20 08:39:09,343 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 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) [2022-03-20 08:39:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-20 08:39:09,357 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:39:09,357 INFO L499 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-20 08:39:09,358 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:39:09,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:39:09,363 INFO L85 PathProgramCache]: Analyzing trace with hash -1746528498, now seen corresponding path program 1 times [2022-03-20 08:39:09,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:39:09,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239865787] [2022-03-20 08:39:09,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:39:09,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:39:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:39:09,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:39:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:39:09,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-20 08:39:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:39:09,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-20 08:39:09,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:39:09,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-03-20 08:39:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:39:09,813 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-20 08:39:09,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:39:09,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239865787] [2022-03-20 08:39:09,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239865787] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 08:39:09,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 08:39:09,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-20 08:39:09,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672478994] [2022-03-20 08:39:09,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 08:39:09,822 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-20 08:39:09,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:39:09,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-20 08:39:09,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-20 08:39:09,854 INFO L87 Difference]: Start difference. First operand has 129 states, 100 states have (on average 1.54) internal successors, (154), 102 states have internal predecessors, (154), 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 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-03-20 08:39:10,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:39:10,249 INFO L93 Difference]: Finished difference Result 245 states and 367 transitions. [2022-03-20 08:39:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-20 08:39:10,251 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2022-03-20 08:39:10,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:39:10,258 INFO L225 Difference]: With dead ends: 245 [2022-03-20 08:39:10,259 INFO L226 Difference]: Without dead ends: 120 [2022-03-20 08:39:10,262 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-03-20 08:39:10,265 INFO L913 BasicCegarLoop]: 133 mSDtfsCounter, 242 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-20 08:39:10,265 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 138 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-20 08:39:10,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-03-20 08:39:10,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-03-20 08:39:10,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 95 states have (on average 1.4631578947368422) internal successors, (139), 96 states have internal predecessors, (139), 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) [2022-03-20 08:39:10,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2022-03-20 08:39:10,310 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2022-03-20 08:39:10,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:39:10,310 INFO L478 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2022-03-20 08:39:10,311 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-03-20 08:39:10,311 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-03-20 08:39:10,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-20 08:39:10,313 INFO L491 BasicCegarLoop]: Found error trace [2022-03-20 08:39:10,313 INFO L499 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, 1, 1, 1, 1] [2022-03-20 08:39:10,314 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-20 08:39:10,314 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-20 08:39:10,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-20 08:39:10,314 INFO L85 PathProgramCache]: Analyzing trace with hash -1478723201, now seen corresponding path program 1 times [2022-03-20 08:39:10,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-20 08:39:10,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588695746] [2022-03-20 08:39:10,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-20 08:39:10,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-20 08:39:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:39:10,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-20 08:39:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:39:10,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-20 08:39:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:39:10,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-03-20 08:39:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:39:10,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-03-20 08:39:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-20 08:39:10,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-20 08:39:10,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-20 08:39:10,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588695746] [2022-03-20 08:39:10,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588695746] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-20 08:39:10,510 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-20 08:39:10,510 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-20 08:39:10,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436364855] [2022-03-20 08:39:10,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-20 08:39:10,512 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-20 08:39:10,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-20 08:39:10,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-20 08:39:10,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-20 08:39:10,513 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-03-20 08:39:11,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-20 08:39:11,303 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2022-03-20 08:39:11,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-20 08:39:11,305 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 43 [2022-03-20 08:39:11,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-20 08:39:11,306 INFO L225 Difference]: With dead ends: 148 [2022-03-20 08:39:11,306 INFO L226 Difference]: Without dead ends: 0 [2022-03-20 08:39:11,307 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-20 08:39:11,309 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-03-20 08:39:11,309 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 125 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-03-20 08:39:11,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-20 08:39:11,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-20 08:39:11,310 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) [2022-03-20 08:39:11,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-20 08:39:11,310 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-03-20 08:39:11,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-20 08:39:11,310 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-20 08:39:11,311 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-03-20 08:39:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-20 08:39:11,311 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-20 08:39:11,313 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-20 08:39:11,313 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-20 08:39:11,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-20 08:39:11,481 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|)) [2022-03-20 08:39:11,481 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|)) [2022-03-20 08:39:11,482 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2022-03-20 08:39:11,482 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2022-03-20 08:39:11,482 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|)) [2022-03-20 08:39:11,482 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 08:39:11,482 INFO L882 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2022-03-20 08:39:11,482 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 08:39:11,482 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-20 08:39:11,482 INFO L882 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-03-20 08:39:11,482 INFO L882 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-03-20 08:39:11,483 INFO L882 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-03-20 08:39:11,483 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_99FINAL(lines 400 419) no Hoare annotation was computed. [2022-03-20 08:39:11,483 INFO L882 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2022-03-20 08:39:11,483 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2022-03-20 08:39:11,483 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-03-20 08:39:11,483 INFO L882 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-03-20 08:39:11,483 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-03-20 08:39:11,483 INFO L882 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-03-20 08:39:11,484 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-03-20 08:39:11,484 INFO L882 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-03-20 08:39:11,484 INFO L882 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2022-03-20 08:39:11,484 INFO L882 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-03-20 08:39:11,484 INFO L882 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-03-20 08:39:11,484 INFO L882 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-03-20 08:39:11,484 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-03-20 08:39:11,484 INFO L882 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-03-20 08:39:11,484 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-03-20 08:39:11,485 INFO L882 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-03-20 08:39:11,485 INFO L882 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-03-20 08:39:11,485 INFO L882 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-03-20 08:39:11,485 INFO L882 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-03-20 08:39:11,485 INFO L882 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-03-20 08:39:11,485 INFO L882 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-03-20 08:39:11,485 INFO L882 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2022-03-20 08:39:11,485 INFO L882 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2022-03-20 08:39:11,486 INFO L882 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2022-03-20 08:39:11,486 INFO L882 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2022-03-20 08:39:11,486 INFO L882 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2022-03-20 08:39:11,486 INFO L882 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2022-03-20 08:39:11,486 INFO L882 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-03-20 08:39:11,486 INFO L882 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2022-03-20 08:39:11,486 INFO L882 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-03-20 08:39:11,486 INFO L882 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2022-03-20 08:39:11,486 INFO L882 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2022-03-20 08:39:11,487 INFO L882 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-03-20 08:39:11,487 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|)) [2022-03-20 08:39:11,487 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-03-20 08:39:11,487 INFO L882 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-03-20 08:39:11,487 INFO L882 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2022-03-20 08:39:11,487 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-03-20 08:39:11,487 INFO L882 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-03-20 08:39:11,487 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-03-20 08:39:11,488 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2022-03-20 08:39:11,488 INFO L882 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-03-20 08:39:11,488 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2022-03-20 08:39:11,488 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-03-20 08:39:11,488 INFO L882 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-03-20 08:39:11,488 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-03-20 08:39:11,488 INFO L882 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-03-20 08:39:11,488 INFO L882 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2022-03-20 08:39:11,488 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-03-20 08:39:11,489 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-03-20 08:39:11,489 INFO L882 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2022-03-20 08:39:11,489 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-03-20 08:39:11,489 INFO L882 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2022-03-20 08:39:11,489 INFO L882 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2022-03-20 08:39:11,489 INFO L882 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-03-20 08:39:11,489 INFO L882 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2022-03-20 08:39:11,489 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|)) [2022-03-20 08:39:11,489 INFO L882 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-03-20 08:39:11,490 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2022-03-20 08:39:11,490 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|)) [2022-03-20 08:39:11,490 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2022-03-20 08:39:11,490 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-03-20 08:39:11,490 INFO L882 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-03-20 08:39:11,490 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-03-20 08:39:11,490 INFO L882 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-03-20 08:39:11,490 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-03-20 08:39:11,490 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-03-20 08:39:11,491 INFO L882 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-03-20 08:39:11,491 INFO L882 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-03-20 08:39:11,491 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-03-20 08:39:11,491 INFO L882 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2022-03-20 08:39:11,491 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-03-20 08:39:11,491 INFO L882 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-03-20 08:39:11,491 INFO L882 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2022-03-20 08:39:11,491 INFO L878 garLoopResultBuilder]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-03-20 08:39:11,491 INFO L882 garLoopResultBuilder]: For program point L298-3(line 298) no Hoare annotation was computed. [2022-03-20 08:39:11,492 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-03-20 08:39:11,492 INFO L882 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-03-20 08:39:11,492 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2022-03-20 08:39:11,492 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-03-20 08:39:11,492 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2022-03-20 08:39:11,492 INFO L882 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-03-20 08:39:11,492 INFO L882 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-03-20 08:39:11,492 INFO L882 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2022-03-20 08:39:11,492 INFO L882 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-03-20 08:39:11,493 INFO L882 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2022-03-20 08:39:11,493 INFO L882 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2022-03-20 08:39:11,493 INFO L882 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2022-03-20 08:39:11,493 INFO L882 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2022-03-20 08:39:11,493 INFO L882 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2022-03-20 08:39:11,493 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-03-20 08:39:11,493 INFO L882 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-03-20 08:39:11,493 INFO L882 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2022-03-20 08:39:11,493 INFO L882 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-03-20 08:39:11,493 INFO L882 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-03-20 08:39:11,494 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-03-20 08:39:11,494 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2022-03-20 08:39:11,494 INFO L882 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-03-20 08:39:11,494 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2022-03-20 08:39:11,494 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|)) [2022-03-20 08:39:11,494 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-20 08:39:11,494 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-20 08:39:11,494 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-20 08:39:11,494 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-20 08:39:11,495 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-20 08:39:11,495 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-20 08:39:11,495 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-03-20 08:39:11,495 INFO L882 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-03-20 08:39:11,495 INFO L882 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-03-20 08:39:11,495 INFO L882 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-03-20 08:39:11,495 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-03-20 08:39:11,495 INFO L882 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-03-20 08:39:11,495 INFO L882 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2022-03-20 08:39:11,495 INFO L882 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2022-03-20 08:39:11,496 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2022-03-20 08:39:11,496 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2022-03-20 08:39:11,498 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-20 08:39:11,499 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-20 08:39:11,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.03 08:39:11 BasicIcfg [2022-03-20 08:39:11,513 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-20 08:39:11,513 INFO L158 Benchmark]: Toolchain (without parser) took 3349.73ms. Allocated memory was 176.2MB in the beginning and 219.2MB in the end (delta: 43.0MB). Free memory was 121.8MB in the beginning and 104.8MB in the end (delta: 17.0MB). Peak memory consumption was 59.2MB. Max. memory is 8.0GB. [2022-03-20 08:39:11,513 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-20 08:39:11,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.72ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 144.4MB in the end (delta: -22.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-03-20 08:39:11,516 INFO L158 Benchmark]: Boogie Preprocessor took 65.45ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 140.8MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 08:39:11,518 INFO L158 Benchmark]: RCFGBuilder took 633.46ms. Allocated memory is still 176.2MB. Free memory was 140.8MB in the beginning and 110.9MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-03-20 08:39:11,518 INFO L158 Benchmark]: IcfgTransformer took 57.26ms. Allocated memory is still 176.2MB. Free memory was 110.9MB in the beginning and 107.6MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-20 08:39:11,518 INFO L158 Benchmark]: TraceAbstraction took 2258.34ms. Allocated memory was 176.2MB in the beginning and 219.2MB in the end (delta: 43.0MB). Free memory was 107.1MB in the beginning and 104.8MB in the end (delta: 2.3MB). Peak memory consumption was 46.1MB. Max. memory is 8.0GB. [2022-03-20 08:39:11,521 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 176.2MB. Free memory is still 138.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 327.72ms. Allocated memory is still 176.2MB. Free memory was 121.5MB in the beginning and 144.4MB in the end (delta: -22.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 65.45ms. Allocated memory is still 176.2MB. Free memory was 144.4MB in the beginning and 140.8MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 633.46ms. Allocated memory is still 176.2MB. Free memory was 140.8MB in the beginning and 110.9MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * IcfgTransformer took 57.26ms. Allocated memory is still 176.2MB. Free memory was 110.9MB in the beginning and 107.6MB in the end (delta: 3.3MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 2258.34ms. Allocated memory was 176.2MB in the beginning and 219.2MB in the end (delta: 43.0MB). Free memory was 107.1MB in the beginning and 104.8MB in the end (delta: 2.3MB). Peak memory consumption was 46.1MB. 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, 129 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 667 IncrementalHoareTripleChecker+Invalid, 760 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 252 mSDtfsCounter, 667 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 83 PreInvPairs, 99 NumberOfFragments, 205 HoareAnnotationTreeSize, 83 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 34 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 244 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 3/3 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! [2022-03-20 08:39:11,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...