/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_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-7390193 [2022-04-05 05:36:57,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-04-05 05:36:57,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-04-05 05:36:57,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-04-05 05:36:57,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-04-05 05:36:57,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-04-05 05:36:57,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-04-05 05:36:57,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-04-05 05:36:57,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-04-05 05:36:57,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-04-05 05:36:57,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-04-05 05:36:57,127 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-04-05 05:36:57,128 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-04-05 05:36:57,129 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-04-05 05:36:57,129 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-04-05 05:36:57,130 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-04-05 05:36:57,131 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-04-05 05:36:57,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-04-05 05:36:57,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-04-05 05:36:57,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-04-05 05:36:57,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-04-05 05:36:57,143 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-04-05 05:36:57,165 INFO L113 SettingsManager]: Loading preferences was successful [2022-04-05 05:36:57,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-04-05 05:36:57,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-04-05 05:36:57,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-04-05 05:36:57,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-04-05 05:36:57,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-04-05 05:36:57,167 INFO L138 SettingsManager]: * Use SBE=true [2022-04-05 05:36:57,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-04-05 05:36:57,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-04-05 05:36:57,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-04-05 05:36:57,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-04-05 05:36:57,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-04-05 05:36:57,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-04-05 05:36:57,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-04-05 05:36:57,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-04-05 05:36:57,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-04-05 05:36:57,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-04-05 05:36:57,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-04-05 05:36:57,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-04-05 05:36:57,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 05:36:57,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-04-05 05:36:57,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-04-05 05:36:57,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-04-05 05:36:57,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-04-05 05:36:57,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-04-05 05:36:57,169 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-04-05 05:36:57,169 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-04-05 05:36:57,169 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-04-05 05:36:57,170 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-04-05 05:36:57,170 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-04-05 05:36:57,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-04-05 05:36:57,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-04-05 05:36:57,352 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-04-05 05:36:57,353 INFO L271 PluginConnector]: Initializing CDTParser... [2022-04-05 05:36:57,353 INFO L275 PluginConnector]: CDTParser initialized [2022-04-05 05:36:57,354 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-04-05 05:36:57,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9a626ebf/beea7df579c9461080e957293c6b71b0/FLAGf54852594 [2022-04-05 05:36:57,734 INFO L306 CDTParser]: Found 1 translation units. [2022-04-05 05:36:57,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-04-05 05:36:57,744 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9a626ebf/beea7df579c9461080e957293c6b71b0/FLAGf54852594 [2022-04-05 05:36:58,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9a626ebf/beea7df579c9461080e957293c6b71b0 [2022-04-05 05:36:58,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-04-05 05:36:58,130 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-04-05 05:36:58,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-04-05 05:36:58,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-04-05 05:36:58,133 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-04-05 05:36:58,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:36:58" (1/1) ... [2022-04-05 05:36:58,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8ccb1f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58, skipping insertion in model container [2022-04-05 05:36:58,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 05:36:58" (1/1) ... [2022-04-05 05:36:58,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-04-05 05:36:58,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-04-05 05:36:58,355 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_1.c[11890,11903] [2022-04-05 05:36:58,357 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 05:36:58,362 INFO L203 MainTranslator]: Completed pre-run [2022-04-05 05:36:58,426 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_1.c[11890,11903] [2022-04-05 05:36:58,426 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-04-05 05:36:58,441 INFO L208 MainTranslator]: Completed translation [2022-04-05 05:36:58,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58 WrapperNode [2022-04-05 05:36:58,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-04-05 05:36:58,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-04-05 05:36:58,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-04-05 05:36:58,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-04-05 05:36:58,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58" (1/1) ... [2022-04-05 05:36:58,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58" (1/1) ... [2022-04-05 05:36:58,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58" (1/1) ... [2022-04-05 05:36:58,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58" (1/1) ... [2022-04-05 05:36:58,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58" (1/1) ... [2022-04-05 05:36:58,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58" (1/1) ... [2022-04-05 05:36:58,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58" (1/1) ... [2022-04-05 05:36:58,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-04-05 05:36:58,492 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-04-05 05:36:58,492 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-04-05 05:36:58,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-04-05 05:36:58,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58" (1/1) ... [2022-04-05 05:36:58,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-04-05 05:36:58,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-04-05 05:36:58,549 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) [2022-04-05 05:36:58,601 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 [2022-04-05 05:36:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-04-05 05:36:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-04-05 05:36:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-04-05 05:36:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-04-05 05:36:58,633 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-04-05 05:36:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-04-05 05:36:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2022-04-05 05:36:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-04-05 05:36:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2022-04-05 05:36:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2022-04-05 05:36:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2022-04-05 05:36:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2022-04-05 05:36:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-04-05 05:36:58,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-04-05 05:36:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-04-05 05:36:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-04-05 05:36:58,634 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-04-05 05:36:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-04-05 05:36:58,635 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-04-05 05:36:58,640 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-04-05 05:36:58,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-04-05 05:36:58,730 INFO L234 CfgBuilder]: Building ICFG [2022-04-05 05:36:58,731 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-04-05 05:36:59,079 INFO L275 CfgBuilder]: Performing block encoding [2022-04-05 05:36:59,090 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-04-05 05:36:59,090 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-04-05 05:36:59,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:36:59 BoogieIcfgContainer [2022-04-05 05:36:59,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-04-05 05:36:59,092 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-04-05 05:36:59,092 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-04-05 05:36:59,093 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-04-05 05:36:59,095 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:36:59" (1/1) ... [2022-04-05 05:36:59,096 INFO L168 ansformationObserver]: Applying ICFG transformation LOOP_ACCELERATION_QVASR [2022-04-05 05:36:59,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 05:36:59 BasicIcfg [2022-04-05 05:36:59,136 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-04-05 05:36:59,137 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-04-05 05:36:59,137 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-04-05 05:36:59,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-04-05 05:36:59,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 05:36:58" (1/4) ... [2022-04-05 05:36:59,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16529b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:36:59, skipping insertion in model container [2022-04-05 05:36:59,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 05:36:58" (2/4) ... [2022-04-05 05:36:59,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16529b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 05:36:59, skipping insertion in model container [2022-04-05 05:36:59,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 05:36:59" (3/4) ... [2022-04-05 05:36:59,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16529b7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 05:36:59, skipping insertion in model container [2022-04-05 05:36:59,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 05.04 05:36:59" (4/4) ... [2022-04-05 05:36:59,145 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.cqvasr [2022-04-05 05:36:59,148 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-04-05 05:36:59,148 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-04-05 05:36:59,190 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-04-05 05:36:59,200 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 [2022-04-05 05:36:59,200 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-04-05 05:36:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 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) [2022-04-05 05:36:59,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-05 05:36:59,217 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:36:59,217 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] [2022-04-05 05:36:59,218 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:36:59,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:36:59,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1019923025, now seen corresponding path program 1 times [2022-04-05 05:36:59,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:36:59,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181645192] [2022-04-05 05:36:59,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:36:59,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:36:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:36:59,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:36:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:36:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-05 05:36:59,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:36:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-05 05:36:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:36:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 05:36:59,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:36:59,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181645192] [2022-04-05 05:36:59,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181645192] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 05:36:59,503 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 05:36:59,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-04-05 05:36:59,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710372932] [2022-04-05 05:36:59,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 05:36:59,508 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-04-05 05:36:59,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:36:59,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-04-05 05:36:59,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-04-05 05:36:59,529 INFO L87 Difference]: Start difference. First operand has 127 states, 98 states have (on average 1.5408163265306123) internal successors, (151), 100 states have internal predecessors, (151), 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 6.5) internal successors, (26), 2 states have internal predecessors, (26), 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) [2022-04-05 05:36:59,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:36:59,882 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2022-04-05 05:36:59,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-04-05 05:36:59,884 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 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 38 [2022-04-05 05:36:59,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:36:59,892 INFO L225 Difference]: With dead ends: 241 [2022-04-05 05:36:59,892 INFO L226 Difference]: Without dead ends: 118 [2022-04-05 05:36:59,898 INFO L912 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 [2022-04-05 05:36:59,902 INFO L913 BasicCegarLoop]: 132 mSDtfsCounter, 236 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 137 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 [2022-04-05 05:36:59,903 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 137 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-04-05 05:36:59,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-04-05 05:36:59,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-04-05 05:36:59,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 93 states have (on average 1.4623655913978495) internal successors, (136), 94 states have internal predecessors, (136), 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) [2022-04-05 05:36:59,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-04-05 05:36:59,956 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2022-04-05 05:36:59,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:36:59,957 INFO L478 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-04-05 05:36:59,957 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 2 states have internal predecessors, (26), 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) [2022-04-05 05:36:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-04-05 05:36:59,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-04-05 05:36:59,963 INFO L491 BasicCegarLoop]: Found error trace [2022-04-05 05:36:59,963 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] [2022-04-05 05:36:59,963 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-04-05 05:36:59,963 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-04-05 05:36:59,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-04-05 05:36:59,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1240866738, now seen corresponding path program 1 times [2022-04-05 05:36:59,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-04-05 05:36:59,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642574653] [2022-04-05 05:36:59,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-04-05 05:36:59,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-04-05 05:37:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:37:00,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-04-05 05:37:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:37:00,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-04-05 05:37:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:37:00,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-04-05 05:37:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-04-05 05:37:00,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-04-05 05:37:00,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-04-05 05:37:00,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642574653] [2022-04-05 05:37:00,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642574653] provided 1 perfect and 0 imperfect interpolant sequences [2022-04-05 05:37:00,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-04-05 05:37:00,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-04-05 05:37:00,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412117503] [2022-04-05 05:37:00,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-04-05 05:37:00,127 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-04-05 05:37:00,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-04-05 05:37:00,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-04-05 05:37:00,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-04-05 05:37:00,127 INFO L87 Difference]: Start difference. First operand 118 states and 164 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-05 05:37:00,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-04-05 05:37:00,624 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-04-05 05:37:00,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-04-05 05:37:00,625 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 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 38 [2022-04-05 05:37:00,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-04-05 05:37:00,625 INFO L225 Difference]: With dead ends: 118 [2022-04-05 05:37:00,625 INFO L226 Difference]: Without dead ends: 0 [2022-04-05 05:37:00,626 INFO L912 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-04-05 05:37:00,627 INFO L913 BasicCegarLoop]: 119 mSDtfsCounter, 233 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 401 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-04-05 05:37:00,627 INFO L914 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 123 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-04-05 05:37:00,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-04-05 05:37:00,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-04-05 05:37:00,628 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) [2022-04-05 05:37:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-04-05 05:37:00,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-04-05 05:37:00,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-04-05 05:37:00,628 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-04-05 05:37:00,628 INFO L479 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-04-05 05:37:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-04-05 05:37:00,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-04-05 05:37:00,630 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-04-05 05:37:00,631 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-04-05 05:37:00,632 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-04-05 05:37:00,749 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2022-04-05 05:37:00,749 INFO L882 garLoopResultBuilder]: For program point L309(lines 309 312) no Hoare annotation was computed. [2022-04-05 05:37:00,750 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_113FINAL(lines 305 324) no Hoare annotation was computed. [2022-04-05 05:37:00,750 INFO L882 garLoopResultBuilder]: For program point L313(lines 313 320) no Hoare annotation was computed. [2022-04-05 05:37:00,750 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_113EXIT(lines 305 324) no Hoare annotation was computed. [2022-04-05 05:37:00,750 INFO L885 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2022-04-05 05:37:00,750 INFO L882 garLoopResultBuilder]: For program point L313-2(lines 313 320) no Hoare annotation was computed. [2022-04-05 05:37:00,750 INFO L882 garLoopResultBuilder]: For program point L315-1(line 315) no Hoare annotation was computed. [2022-04-05 05:37:00,750 INFO L885 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: true [2022-04-05 05:37:00,750 INFO L882 garLoopResultBuilder]: For program point L321-1(line 321) no Hoare annotation was computed. [2022-04-05 05:37:00,750 INFO L885 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2022-04-05 05:37:00,750 INFO L882 garLoopResultBuilder]: For program point L322-1(line 322) no Hoare annotation was computed. [2022-04-05 05:37:00,750 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_115ENTRY(lines 356 424) 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|)) [2022-04-05 05:37:00,751 INFO L885 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2022-04-05 05:37:00,751 INFO L882 garLoopResultBuilder]: For program point L377-4(lines 357 424) no Hoare annotation was computed. [2022-04-05 05:37:00,751 INFO L882 garLoopResultBuilder]: For program point L377-2(lines 377 380) no Hoare annotation was computed. [2022-04-05 05:37:00,751 INFO L885 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2022-04-05 05:37:00,751 INFO L882 garLoopResultBuilder]: For program point L381(lines 381 422) no Hoare annotation was computed. [2022-04-05 05:37:00,751 INFO L885 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2022-04-05 05:37:00,751 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_115FINAL(lines 356 424) no Hoare annotation was computed. [2022-04-05 05:37:00,751 INFO L882 garLoopResultBuilder]: For program point L386-1(lines 386 389) no Hoare annotation was computed. [2022-04-05 05:37:00,751 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_115EXIT(lines 356 424) no Hoare annotation was computed. [2022-04-05 05:37:00,751 INFO L885 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2022-04-05 05:37:00,751 INFO L882 garLoopResultBuilder]: For program point L390-1(lines 390 393) no Hoare annotation was computed. [2022-04-05 05:37:00,751 INFO L885 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2022-04-05 05:37:00,752 INFO L882 garLoopResultBuilder]: For program point L396-1(lines 396 399) no Hoare annotation was computed. [2022-04-05 05:37:00,752 INFO L882 garLoopResultBuilder]: For program point L403-1(lines 403 406) no Hoare annotation was computed. [2022-04-05 05:37:00,752 INFO L885 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2022-04-05 05:37:00,752 INFO L885 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: true [2022-04-05 05:37:00,752 INFO L882 garLoopResultBuilder]: For program point L401-4(lines 401 418) no Hoare annotation was computed. [2022-04-05 05:37:00,752 INFO L885 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: true [2022-04-05 05:37:00,752 INFO L882 garLoopResultBuilder]: For program point L413-1(line 413) no Hoare annotation was computed. [2022-04-05 05:37:00,752 INFO L882 garLoopResultBuilder]: For program point L383-2(lines 383 421) no Hoare annotation was computed. [2022-04-05 05:37:00,752 INFO L882 garLoopResultBuilder]: For program point L414(lines 414 417) no Hoare annotation was computed. [2022-04-05 05:37:00,752 INFO L882 garLoopResultBuilder]: For program point L401-2(lines 401 418) no Hoare annotation was computed. [2022-04-05 05:37:00,752 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_114ENTRY(lines 325 355) the Hoare annotation is: true [2022-04-05 05:37:00,752 INFO L882 garLoopResultBuilder]: For program point L329(lines 329 332) no Hoare annotation was computed. [2022-04-05 05:37:00,752 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_114FINAL(lines 325 355) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L885 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_114EXIT(lines 325 355) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point L333-4(lines 333 340) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point L333-1(lines 333 340) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point L341(line 341) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point L336(lines 336 339) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point L341-2(line 341) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point L341-3(line 341) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point L341-5(lines 341 353) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point L343(lines 343 348) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point L343-1(lines 341 353) no Hoare annotation was computed. [2022-04-05 05:37:00,753 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_110ENTRY(lines 274 304) the Hoare annotation is: true [2022-04-05 05:37:00,753 INFO L882 garLoopResultBuilder]: For program point L280(lines 280 294) no Hoare annotation was computed. [2022-04-05 05:37:00,754 INFO L882 garLoopResultBuilder]: For program point L295-1(lines 275 304) no Hoare annotation was computed. [2022-04-05 05:37:00,754 INFO L882 garLoopResultBuilder]: For program point L286(lines 286 294) no Hoare annotation was computed. [2022-04-05 05:37:00,754 INFO L882 garLoopResultBuilder]: For program point L295-2(lines 295 302) no Hoare annotation was computed. [2022-04-05 05:37:00,754 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-04-05 05:37:00,754 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_110FINAL(lines 274 304) no Hoare annotation was computed. [2022-04-05 05:37:00,754 INFO L885 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-04-05 05:37:00,754 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_110EXIT(lines 274 304) no Hoare annotation was computed. [2022-04-05 05:37:00,754 INFO L882 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2022-04-05 05:37:00,754 INFO L878 garLoopResultBuilder]: At program point mainENTRY(lines 452 484) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-05 05:37:00,754 INFO L882 garLoopResultBuilder]: For program point L478(lines 478 481) no Hoare annotation was computed. [2022-04-05 05:37:00,754 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 452 484) no Hoare annotation was computed. [2022-04-05 05:37:00,754 INFO L878 garLoopResultBuilder]: At program point L483(line 483) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-05 05:37:00,754 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 452 484) no Hoare annotation was computed. [2022-04-05 05:37:00,755 INFO L878 garLoopResultBuilder]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~#Id_MCDC_130~0.base)| |~#Id_MCDC_130~0.base|) (= |old(~Id_MCDC_128~0.offset)| ~Id_MCDC_128~0.offset) (= |old(~Id_MCDC_123~0)| ~Id_MCDC_123~0) (= |old(~Id_MCDC_126~0.offset)| ~Id_MCDC_126~0.offset) (= |~#Id_MCDC_130~0.offset| |old(~#Id_MCDC_130~0.offset)|) (= |old(~Id_MCDC_124~0)| ~Id_MCDC_124~0) (= ~Id_MCDC_125~0.base |old(~Id_MCDC_125~0.base)|) (= ~Id_MCDC_128~0.base |old(~Id_MCDC_128~0.base)|) (= |~#Id_MCDC_131~0.base| |old(~#Id_MCDC_131~0.base)|) (= ~Id_MCDC_129~0.offset |old(~Id_MCDC_129~0.offset)|) (= |~#Id_MCDC_131~0.offset| |old(~#Id_MCDC_131~0.offset)|) (= |old(~Id_MCDC_125~0.offset)| ~Id_MCDC_125~0.offset) (= |old(~Id_MCDC_127~0.base)| ~Id_MCDC_127~0.base) (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= ~Id_MCDC_127~0.offset |old(~Id_MCDC_127~0.offset)|) (= |old(~Id_MCDC_129~0.base)| ~Id_MCDC_129~0.base) (= |old(~Id_MCDC_126~0.base)| ~Id_MCDC_126~0.base) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~Id_MCDC_122~0)| ~Id_MCDC_122~0) (= |old(#NULL.base)| |#NULL.base|)) [2022-04-05 05:37:00,755 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-04-05 05:37:00,755 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-04-05 05:37:00,755 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-04-05 05:37:00,755 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-04-05 05:37:00,755 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-04-05 05:37:00,755 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-04-05 05:37:00,755 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-04-05 05:37:00,755 INFO L882 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-04-05 05:37:00,755 INFO L882 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-04-05 05:37:00,755 INFO L882 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-04-05 05:37:00,755 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 485 492) the Hoare annotation is: true [2022-04-05 05:37:00,755 INFO L882 garLoopResultBuilder]: For program point L487(lines 487 490) no Hoare annotation was computed. [2022-04-05 05:37:00,756 INFO L882 garLoopResultBuilder]: For program point L489(line 489) no Hoare annotation was computed. [2022-04-05 05:37:00,756 INFO L882 garLoopResultBuilder]: For program point L487-2(lines 485 492) no Hoare annotation was computed. [2022-04-05 05:37:00,756 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 489) no Hoare annotation was computed. [2022-04-05 05:37:00,756 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 485 492) no Hoare annotation was computed. [2022-04-05 05:37:00,756 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_117ENTRY(lines 425 444) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-05 05:37:00,756 INFO L878 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-05 05:37:00,756 INFO L882 garLoopResultBuilder]: For program point L430-1(line 430) no Hoare annotation was computed. [2022-04-05 05:37:00,756 INFO L878 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-05 05:37:00,756 INFO L878 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-04-05 05:37:00,756 INFO L882 garLoopResultBuilder]: For program point L433(line 433) no Hoare annotation was computed. [2022-04-05 05:37:00,756 INFO L882 garLoopResultBuilder]: For program point L442(line 442) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point L433-2(lines 433 440) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_117FINAL(lines 425 444) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point L431-2(lines 431 441) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_117EXIT(lines 425 444) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point L223(lines 223 226) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_107FINAL(lines 218 273) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point L227(lines 227 233) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_107EXIT(lines 218 273) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point L227-2(lines 227 233) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point L236(line 236) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point L236-2(line 236) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L882 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2022-04-05 05:37:00,757 INFO L885 garLoopResultBuilder]: At program point L234(lines 234 250) the Hoare annotation is: true [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L239(line 239) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L885 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L239-2(line 239) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L251-4(lines 251 258) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L251-1(lines 251 258) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L240(line 240) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L259(line 259) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L254(lines 254 257) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L242(line 242) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L259-2(line 259) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L242-2(line 242) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L259-3(line 259) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L243(line 243) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L259-5(lines 259 271) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L245(line 245) no Hoare annotation was computed. [2022-04-05 05:37:00,758 INFO L882 garLoopResultBuilder]: For program point L261(lines 261 266) no Hoare annotation was computed. [2022-04-05 05:37:00,759 INFO L882 garLoopResultBuilder]: For program point L245-2(line 245) no Hoare annotation was computed. [2022-04-05 05:37:00,759 INFO L882 garLoopResultBuilder]: For program point L261-1(lines 259 271) no Hoare annotation was computed. [2022-04-05 05:37:00,759 INFO L882 garLoopResultBuilder]: For program point L246(line 246) no Hoare annotation was computed. [2022-04-05 05:37:00,759 INFO L882 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2022-04-05 05:37:00,759 INFO L878 garLoopResultBuilder]: At program point Id_MCDC_118ENTRY(lines 445 451) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-05 05:37:00,759 INFO L878 garLoopResultBuilder]: At program point L449(line 449) 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(~Id_MCDC_132~0)| ~Id_MCDC_132~0) (= |old(#valid)| |#valid|)) [2022-04-05 05:37:00,759 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_118FINAL(lines 445 451) no Hoare annotation was computed. [2022-04-05 05:37:00,759 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_118EXIT(lines 445 451) no Hoare annotation was computed. [2022-04-05 05:37:00,762 INFO L719 BasicCegarLoop]: Path program histogram: [1, 1] [2022-04-05 05:37:00,763 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-04-05 05:37:00,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 05:37:00 BasicIcfg [2022-04-05 05:37:00,775 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-04-05 05:37:00,775 INFO L158 Benchmark]: Toolchain (without parser) took 2645.26ms. Allocated memory was 188.7MB in the beginning and 265.3MB in the end (delta: 76.5MB). Free memory was 159.9MB in the beginning and 167.4MB in the end (delta: -7.6MB). Peak memory consumption was 68.8MB. Max. memory is 8.0GB. [2022-04-05 05:37:00,775 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 188.7MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-04-05 05:37:00,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.25ms. Allocated memory was 188.7MB in the beginning and 265.3MB in the end (delta: 76.5MB). Free memory was 159.6MB in the beginning and 228.2MB in the end (delta: -68.6MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. [2022-04-05 05:37:00,776 INFO L158 Benchmark]: Boogie Preprocessor took 47.73ms. Allocated memory is still 265.3MB. Free memory was 228.2MB in the beginning and 224.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-04-05 05:37:00,776 INFO L158 Benchmark]: RCFGBuilder took 599.62ms. Allocated memory is still 265.3MB. Free memory was 224.7MB in the beginning and 194.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2022-04-05 05:37:00,776 INFO L158 Benchmark]: IcfgTransformer took 44.04ms. Allocated memory is still 265.3MB. Free memory was 194.6MB in the beginning and 191.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-04-05 05:37:00,776 INFO L158 Benchmark]: TraceAbstraction took 1638.00ms. Allocated memory is still 265.3MB. Free memory was 190.8MB in the beginning and 167.4MB in the end (delta: 23.3MB). Peak memory consumption was 24.6MB. Max. memory is 8.0GB. [2022-04-05 05:37:00,777 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 188.7MB. Free memory is still 147.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 312.25ms. Allocated memory was 188.7MB in the beginning and 265.3MB in the end (delta: 76.5MB). Free memory was 159.6MB in the beginning and 228.2MB in the end (delta: -68.6MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.73ms. Allocated memory is still 265.3MB. Free memory was 228.2MB in the beginning and 224.7MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 599.62ms. Allocated memory is still 265.3MB. Free memory was 224.7MB in the beginning and 194.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * IcfgTransformer took 44.04ms. Allocated memory is still 265.3MB. Free memory was 194.6MB in the beginning and 191.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1638.00ms. Allocated memory is still 265.3MB. Free memory was 190.8MB in the beginning and 167.4MB in the end (delta: 23.3MB). Peak memory consumption was 24.6MB. 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: 489]: 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, 127 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 482 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 469 mSDsluCounter, 260 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 500 IncrementalHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 251 mSDtfsCounter, 500 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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: 401]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: \old(Id_MCDC_132) == Id_MCDC_132 - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 251]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-04-05 05:37:00,809 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...