/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-5d317bd [2022-03-18 22:14:01,977 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-18 22:14:01,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-18 22:14:02,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-18 22:14:02,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-18 22:14:02,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-18 22:14:02,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-18 22:14:02,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-18 22:14:02,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-18 22:14:02,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-18 22:14:02,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-18 22:14:02,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-18 22:14:02,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-18 22:14:02,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-18 22:14:02,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-18 22:14:02,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-18 22:14:02,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-18 22:14:02,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-18 22:14:02,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-18 22:14:02,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-18 22:14:02,054 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-03-18 22:14:02,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-18 22:14:02,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-18 22:14:02,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-18 22:14:02,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-18 22:14:02,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-18 22:14:02,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-18 22:14:02,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-18 22:14:02,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-18 22:14:02,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-18 22:14:02,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-03-18 22:14:02,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-18 22:14:02,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-18 22:14:02,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-18 22:14:02,076 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/loopacceleration/qvasr/qvasr_64.epf [2022-03-18 22:14:02,103 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-18 22:14:02,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-18 22:14:02,104 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-18 22:14:02,104 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-18 22:14:02,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-18 22:14:02,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-18 22:14:02,105 INFO L138 SettingsManager]: * Use SBE=true [2022-03-18 22:14:02,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-18 22:14:02,105 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-18 22:14:02,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-18 22:14:02,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-18 22:14:02,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-18 22:14:02,106 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-18 22:14:02,106 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-18 22:14:02,106 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-18 22:14:02,106 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-18 22:14:02,107 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-18 22:14:02,107 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-18 22:14:02,107 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-18 22:14:02,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 22:14:02,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-18 22:14:02,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-18 22:14:02,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-18 22:14:02,108 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-18 22:14:02,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-18 22:14:02,108 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-18 22:14:02,108 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-03-18 22:14:02,108 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-03-18 22:14:02,109 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-03-18 22:14:02,109 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-03-18 22:14:02,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-18 22:14:02,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-18 22:14:02,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-18 22:14:02,343 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-18 22:14:02,346 INFO L275 PluginConnector]: CDTParser initialized [2022-03-18 22:14:02,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-03-18 22:14:02,402 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef60b463/45b7aa21a7b146c4b286c76d1decddd3/FLAGc72a33281 [2022-03-18 22:14:02,837 INFO L306 CDTParser]: Found 1 translation units. [2022-03-18 22:14:02,838 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_5.c [2022-03-18 22:14:02,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef60b463/45b7aa21a7b146c4b286c76d1decddd3/FLAGc72a33281 [2022-03-18 22:14:02,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ef60b463/45b7aa21a7b146c4b286c76d1decddd3 [2022-03-18 22:14:02,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-18 22:14:02,866 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-18 22:14:02,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-18 22:14:02,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-18 22:14:02,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-18 22:14:02,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 10:14:02" (1/1) ... [2022-03-18 22:14:02,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c8fb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:02, skipping insertion in model container [2022-03-18 22:14:02,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.03 10:14:02" (1/1) ... [2022-03-18 22:14:02,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-18 22:14:02,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-18 22:14:03,130 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] [2022-03-18 22:14:03,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 22:14:03,143 INFO L203 MainTranslator]: Completed pre-run [2022-03-18 22:14:03,206 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] [2022-03-18 22:14:03,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-18 22:14:03,222 INFO L208 MainTranslator]: Completed translation [2022-03-18 22:14:03,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:03 WrapperNode [2022-03-18 22:14:03,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-18 22:14:03,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-18 22:14:03,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-18 22:14:03,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-18 22:14:03,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:03" (1/1) ... [2022-03-18 22:14:03,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:03" (1/1) ... [2022-03-18 22:14:03,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:03" (1/1) ... [2022-03-18 22:14:03,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:03" (1/1) ... [2022-03-18 22:14:03,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:03" (1/1) ... [2022-03-18 22:14:03,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:03" (1/1) ... [2022-03-18 22:14:03,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:03" (1/1) ... [2022-03-18 22:14:03,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-18 22:14:03,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-18 22:14:03,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-18 22:14:03,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-18 22:14:03,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:03" (1/1) ... [2022-03-18 22:14:03,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-18 22:14:03,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-18 22:14:03,332 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) [2022-03-18 22:14:03,350 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 [2022-03-18 22:14:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-03-18 22:14:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-18 22:14:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-03-18 22:14:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-03-18 22:14:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-03-18 22:14:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2022-03-18 22:14:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2022-03-18 22:14:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2022-03-18 22:14:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2022-03-18 22:14:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2022-03-18 22:14:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2022-03-18 22:14:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2022-03-18 22:14:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-03-18 22:14:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-03-18 22:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-03-18 22:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-03-18 22:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-03-18 22:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-18 22:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-03-18 22:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-03-18 22:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-03-18 22:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2022-03-18 22:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2022-03-18 22:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-18 22:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-18 22:14:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-18 22:14:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-03-18 22:14:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-03-18 22:14:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-18 22:14:03,524 INFO L234 CfgBuilder]: Building ICFG [2022-03-18 22:14:03,525 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-18 22:14:03,847 INFO L275 CfgBuilder]: Performing block encoding [2022-03-18 22:14:03,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-18 22:14:03,853 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-03-18 22:14:03,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 10:14:03 BoogieIcfgContainer [2022-03-18 22:14:03,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-18 22:14:03,856 INFO L113 PluginConnector]: ------------------------IcfgTransformer---------------------------- [2022-03-18 22:14:03,856 INFO L271 PluginConnector]: Initializing IcfgTransformer... [2022-03-18 22:14:03,857 INFO L275 PluginConnector]: IcfgTransformer initialized [2022-03-18 22:14:03,859 INFO L185 PluginConnector]: Executing the observer IcfgTransformationObserver from plugin IcfgTransformer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 10:14:03" (1/1) ... [2022-03-18 22:14:03,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 18.03 10:14:03 BasicIcfg [2022-03-18 22:14:03,885 INFO L132 PluginConnector]: ------------------------ END IcfgTransformer---------------------------- [2022-03-18 22:14:03,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-18 22:14:03,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-18 22:14:03,889 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-18 22:14:03,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.03 10:14:02" (1/4) ... [2022-03-18 22:14:03,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ace491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 10:14:03, skipping insertion in model container [2022-03-18 22:14:03,889 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.03 10:14:03" (2/4) ... [2022-03-18 22:14:03,889 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ace491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.03 10:14:03, skipping insertion in model container [2022-03-18 22:14:03,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.03 10:14:03" (3/4) ... [2022-03-18 22:14:03,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69ace491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.03 10:14:03, skipping insertion in model container [2022-03-18 22:14:03,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.icfgtransformation CFG 18.03 10:14:03" (4/4) ... [2022-03-18 22:14:03,891 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_5.cqvasr [2022-03-18 22:14:03,894 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-18 22:14:03,894 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-18 22:14:03,925 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-18 22:14:03,937 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 [2022-03-18 22:14:03,937 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-03-18 22:14:03,956 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) [2022-03-18 22:14:03,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-03-18 22:14:03,965 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 22:14:03,965 INFO L500 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] [2022-03-18 22:14:03,966 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 22:14:03,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 22:14:03,972 INFO L85 PathProgramCache]: Analyzing trace with hash -1746528498, now seen corresponding path program 1 times [2022-03-18 22:14:03,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 22:14:03,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663969655] [2022-03-18 22:14:03,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 22:14:03,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 22:14:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 22:14:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 22:14:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 22:14:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-18 22:14:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 22:14:04,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-03-18 22:14:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 22:14:04,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-03-18 22:14:04,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 22:14:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-18 22:14:04,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 22:14:04,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663969655] [2022-03-18 22:14:04,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663969655] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 22:14:04,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 22:14:04,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-18 22:14:04,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390648404] [2022-03-18 22:14:04,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 22:14:04,301 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-18 22:14:04,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 22:14:04,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-18 22:14:04,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-03-18 22:14:04,330 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) [2022-03-18 22:14:04,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 22:14:04,627 INFO L93 Difference]: Finished difference Result 245 states and 367 transitions. [2022-03-18 22:14:04,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-18 22:14:04,630 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 [2022-03-18 22:14:04,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 22:14:04,639 INFO L225 Difference]: With dead ends: 245 [2022-03-18 22:14:04,639 INFO L226 Difference]: Without dead ends: 120 [2022-03-18 22:14:04,653 INFO L911 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 [2022-03-18 22:14:04,655 INFO L912 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, 0.2s IncrementalHoareTripleChecker+Time [2022-03-18 22:14:04,656 INFO L913 BasicCegarLoop]: SdHoareTripleChecker [249 Valid, 138 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-18 22:14:04,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-03-18 22:14:04,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-03-18 22:14:04,688 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) [2022-03-18 22:14:04,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2022-03-18 22:14:04,690 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2022-03-18 22:14:04,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 22:14:04,691 INFO L478 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2022-03-18 22:14:04,691 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) [2022-03-18 22:14:04,691 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2022-03-18 22:14:04,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-03-18 22:14:04,693 INFO L492 BasicCegarLoop]: Found error trace [2022-03-18 22:14:04,693 INFO L500 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-18 22:14:04,694 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-18 22:14:04,694 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-03-18 22:14:04,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-18 22:14:04,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1478723201, now seen corresponding path program 1 times [2022-03-18 22:14:04,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-18 22:14:04,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924348505] [2022-03-18 22:14:04,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-18 22:14:04,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-18 22:14:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 22:14:04,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-03-18 22:14:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 22:14:04,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-03-18 22:14:04,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 22:14:04,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-03-18 22:14:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 22:14:04,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-03-18 22:14:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-18 22:14:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-18 22:14:04,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-18 22:14:04,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924348505] [2022-03-18 22:14:04,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924348505] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-18 22:14:04,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-18 22:14:04,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-03-18 22:14:04,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179561631] [2022-03-18 22:14:04,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-18 22:14:04,919 INFO L554 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-03-18 22:14:04,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-18 22:14:04,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-03-18 22:14:04,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-03-18 22:14:04,920 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) [2022-03-18 22:14:05,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-18 22:14:05,603 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2022-03-18 22:14:05,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-03-18 22:14:05,604 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 [2022-03-18 22:14:05,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-18 22:14:05,604 INFO L225 Difference]: With dead ends: 148 [2022-03-18 22:14:05,604 INFO L226 Difference]: Without dead ends: 0 [2022-03-18 22:14:05,609 INFO L911 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-03-18 22:14:05,611 INFO L912 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 [2022-03-18 22:14:05,611 INFO L913 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] [2022-03-18 22:14:05,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-03-18 22:14:05,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-03-18 22:14:05,613 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) [2022-03-18 22:14:05,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-03-18 22:14:05,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-03-18 22:14:05,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-18 22:14:05,614 INFO L478 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-03-18 22:14:05,614 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) [2022-03-18 22:14:05,614 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-03-18 22:14:05,614 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-03-18 22:14:05,616 INFO L788 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-03-18 22:14:05,616 WARN L460 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-18 22:14:05,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-03-18 22:14:05,756 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|)) [2022-03-18 22:14:05,756 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|)) [2022-03-18 22:14:05,756 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2022-03-18 22:14:05,757 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2022-03-18 22:14:05,758 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|)) [2022-03-18 22:14:05,758 INFO L878 garLoopResultBuilder]: At program point L405(line 405) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 22:14:05,758 INFO L882 garLoopResultBuilder]: For program point L405-1(line 405) no Hoare annotation was computed. [2022-03-18 22:14:05,758 INFO L878 garLoopResultBuilder]: At program point L406-3(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 22:14:05,758 INFO L878 garLoopResultBuilder]: At program point L406-4(lines 406 416) the Hoare annotation is: (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) [2022-03-18 22:14:05,759 INFO L882 garLoopResultBuilder]: For program point L408(line 408) no Hoare annotation was computed. [2022-03-18 22:14:05,759 INFO L882 garLoopResultBuilder]: For program point L417(line 417) no Hoare annotation was computed. [2022-03-18 22:14:05,759 INFO L882 garLoopResultBuilder]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2022-03-18 22:14:05,759 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_99FINAL(lines 400 419) no Hoare annotation was computed. [2022-03-18 22:14:05,759 INFO L882 garLoopResultBuilder]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2022-03-18 22:14:05,759 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2022-03-18 22:14:05,759 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2022-03-18 22:14:05,760 INFO L882 garLoopResultBuilder]: For program point L198(lines 198 201) no Hoare annotation was computed. [2022-03-18 22:14:05,760 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2022-03-18 22:14:05,760 INFO L882 garLoopResultBuilder]: For program point L202(lines 202 208) no Hoare annotation was computed. [2022-03-18 22:14:05,760 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2022-03-18 22:14:05,760 INFO L882 garLoopResultBuilder]: For program point L204(lines 204 207) no Hoare annotation was computed. [2022-03-18 22:14:05,760 INFO L882 garLoopResultBuilder]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2022-03-18 22:14:05,760 INFO L882 garLoopResultBuilder]: For program point L211(line 211) no Hoare annotation was computed. [2022-03-18 22:14:05,760 INFO L882 garLoopResultBuilder]: For program point L211-2(line 211) no Hoare annotation was computed. [2022-03-18 22:14:05,760 INFO L882 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2022-03-18 22:14:05,760 INFO L885 garLoopResultBuilder]: At program point L209(lines 209 225) the Hoare annotation is: true [2022-03-18 22:14:05,760 INFO L882 garLoopResultBuilder]: For program point L214(line 214) no Hoare annotation was computed. [2022-03-18 22:14:05,761 INFO L885 garLoopResultBuilder]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2022-03-18 22:14:05,761 INFO L882 garLoopResultBuilder]: For program point L214-2(line 214) no Hoare annotation was computed. [2022-03-18 22:14:05,761 INFO L882 garLoopResultBuilder]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2022-03-18 22:14:05,761 INFO L882 garLoopResultBuilder]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2022-03-18 22:14:05,761 INFO L882 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2022-03-18 22:14:05,761 INFO L882 garLoopResultBuilder]: For program point L234(line 234) no Hoare annotation was computed. [2022-03-18 22:14:05,761 INFO L882 garLoopResultBuilder]: For program point L229(lines 229 232) no Hoare annotation was computed. [2022-03-18 22:14:05,761 INFO L882 garLoopResultBuilder]: For program point L217(line 217) no Hoare annotation was computed. [2022-03-18 22:14:05,763 INFO L882 garLoopResultBuilder]: For program point L234-2(line 234) no Hoare annotation was computed. [2022-03-18 22:14:05,763 INFO L882 garLoopResultBuilder]: For program point L217-2(line 217) no Hoare annotation was computed. [2022-03-18 22:14:05,763 INFO L882 garLoopResultBuilder]: For program point L234-3(line 234) no Hoare annotation was computed. [2022-03-18 22:14:05,763 INFO L882 garLoopResultBuilder]: For program point L218(line 218) no Hoare annotation was computed. [2022-03-18 22:14:05,764 INFO L882 garLoopResultBuilder]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2022-03-18 22:14:05,765 INFO L882 garLoopResultBuilder]: For program point L220(line 220) no Hoare annotation was computed. [2022-03-18 22:14:05,765 INFO L882 garLoopResultBuilder]: For program point L236(lines 236 241) no Hoare annotation was computed. [2022-03-18 22:14:05,765 INFO L882 garLoopResultBuilder]: For program point L220-2(line 220) no Hoare annotation was computed. [2022-03-18 22:14:05,765 INFO L882 garLoopResultBuilder]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2022-03-18 22:14:05,765 INFO L882 garLoopResultBuilder]: For program point L221(line 221) no Hoare annotation was computed. [2022-03-18 22:14:05,765 INFO L882 garLoopResultBuilder]: For program point L223(line 223) no Hoare annotation was computed. [2022-03-18 22:14:05,766 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|)) [2022-03-18 22:14:05,766 INFO L885 garLoopResultBuilder]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2022-03-18 22:14:05,766 INFO L882 garLoopResultBuilder]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2022-03-18 22:14:05,766 INFO L882 garLoopResultBuilder]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2022-03-18 22:14:05,766 INFO L885 garLoopResultBuilder]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2022-03-18 22:14:05,766 INFO L882 garLoopResultBuilder]: For program point L356(lines 356 397) no Hoare annotation was computed. [2022-03-18 22:14:05,766 INFO L885 garLoopResultBuilder]: At program point L361(line 361) the Hoare annotation is: true [2022-03-18 22:14:05,766 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2022-03-18 22:14:05,766 INFO L882 garLoopResultBuilder]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2022-03-18 22:14:05,767 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2022-03-18 22:14:05,767 INFO L885 garLoopResultBuilder]: At program point L365(line 365) the Hoare annotation is: true [2022-03-18 22:14:05,767 INFO L882 garLoopResultBuilder]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2022-03-18 22:14:05,767 INFO L885 garLoopResultBuilder]: At program point L371(line 371) the Hoare annotation is: true [2022-03-18 22:14:05,768 INFO L882 garLoopResultBuilder]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2022-03-18 22:14:05,768 INFO L882 garLoopResultBuilder]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2022-03-18 22:14:05,768 INFO L885 garLoopResultBuilder]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2022-03-18 22:14:05,768 INFO L885 garLoopResultBuilder]: At program point L388(line 388) the Hoare annotation is: true [2022-03-18 22:14:05,769 INFO L882 garLoopResultBuilder]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2022-03-18 22:14:05,769 INFO L885 garLoopResultBuilder]: At program point L378(line 378) the Hoare annotation is: true [2022-03-18 22:14:05,769 INFO L882 garLoopResultBuilder]: For program point L388-1(line 388) no Hoare annotation was computed. [2022-03-18 22:14:05,769 INFO L882 garLoopResultBuilder]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2022-03-18 22:14:05,769 INFO L882 garLoopResultBuilder]: For program point L389(lines 389 392) no Hoare annotation was computed. [2022-03-18 22:14:05,769 INFO L882 garLoopResultBuilder]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2022-03-18 22:14:05,769 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|)) [2022-03-18 22:14:05,769 INFO L882 garLoopResultBuilder]: For program point L452(lines 452 455) no Hoare annotation was computed. [2022-03-18 22:14:05,769 INFO L882 garLoopResultBuilder]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2022-03-18 22:14:05,769 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|)) [2022-03-18 22:14:05,769 INFO L882 garLoopResultBuilder]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2022-03-18 22:14:05,770 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2022-03-18 22:14:05,770 INFO L882 garLoopResultBuilder]: For program point L284(lines 284 287) no Hoare annotation was computed. [2022-03-18 22:14:05,770 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2022-03-18 22:14:05,770 INFO L882 garLoopResultBuilder]: For program point L288(lines 288 295) no Hoare annotation was computed. [2022-03-18 22:14:05,770 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2022-03-18 22:14:05,771 INFO L885 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: true [2022-03-18 22:14:05,771 INFO L882 garLoopResultBuilder]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2022-03-18 22:14:05,771 INFO L882 garLoopResultBuilder]: For program point L290-1(line 290) no Hoare annotation was computed. [2022-03-18 22:14:05,774 INFO L885 garLoopResultBuilder]: At program point L296(line 296) the Hoare annotation is: true [2022-03-18 22:14:05,774 INFO L882 garLoopResultBuilder]: For program point L296-1(line 296) no Hoare annotation was computed. [2022-03-18 22:14:05,778 INFO L885 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-03-18 22:14:05,778 INFO L882 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2022-03-18 22:14:05,779 INFO L882 garLoopResultBuilder]: For program point L298(line 298) no Hoare annotation was computed. [2022-03-18 22:14:05,779 INFO L878 garLoopResultBuilder]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short24| [2022-03-18 22:14:05,779 INFO L882 garLoopResultBuilder]: For program point L298-3(line 298) no Hoare annotation was computed. [2022-03-18 22:14:05,779 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2022-03-18 22:14:05,779 INFO L882 garLoopResultBuilder]: For program point L304(lines 304 307) no Hoare annotation was computed. [2022-03-18 22:14:05,779 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2022-03-18 22:14:05,779 INFO L885 garLoopResultBuilder]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2022-03-18 22:14:05,780 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2022-03-18 22:14:05,780 INFO L882 garLoopResultBuilder]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2022-03-18 22:14:05,782 INFO L882 garLoopResultBuilder]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2022-03-18 22:14:05,782 INFO L882 garLoopResultBuilder]: For program point L316(line 316) no Hoare annotation was computed. [2022-03-18 22:14:05,782 INFO L882 garLoopResultBuilder]: For program point L311(lines 311 314) no Hoare annotation was computed. [2022-03-18 22:14:05,782 INFO L882 garLoopResultBuilder]: For program point L316-2(line 316) no Hoare annotation was computed. [2022-03-18 22:14:05,782 INFO L882 garLoopResultBuilder]: For program point L316-3(line 316) no Hoare annotation was computed. [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point L318(lines 318 323) no Hoare annotation was computed. [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2022-03-18 22:14:05,783 INFO L885 garLoopResultBuilder]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point L255(lines 255 269) no Hoare annotation was computed. [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point L261(lines 261 269) no Hoare annotation was computed. [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2022-03-18 22:14:05,783 INFO L885 garLoopResultBuilder]: At program point L272(line 272) the Hoare annotation is: true [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point L272-1(line 272) no Hoare annotation was computed. [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2022-03-18 22:14:05,783 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|)) [2022-03-18 22:14:05,783 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L885 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-03-18 22:14:05,784 INFO L885 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L885 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point L11(lines 11 14) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L885 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point L461(lines 461 464) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point L463(line 463) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2022-03-18 22:14:05,784 INFO L882 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2022-03-18 22:14:05,787 INFO L718 BasicCegarLoop]: Path program histogram: [1, 1] [2022-03-18 22:14:05,788 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-03-18 22:14:05,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.03 10:14:05 BasicIcfg [2022-03-18 22:14:05,801 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-18 22:14:05,802 INFO L158 Benchmark]: Toolchain (without parser) took 2935.92ms. Allocated memory was 181.4MB in the beginning and 233.8MB in the end (delta: 52.4MB). Free memory was 126.8MB in the beginning and 110.8MB in the end (delta: 16.0MB). Peak memory consumption was 69.6MB. Max. memory is 8.0GB. [2022-03-18 22:14:05,802 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory was 143.9MB in the beginning and 143.7MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-18 22:14:05,803 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.96ms. Allocated memory was 181.4MB in the beginning and 233.8MB in the end (delta: 52.4MB). Free memory was 126.7MB in the beginning and 200.2MB in the end (delta: -73.5MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. [2022-03-18 22:14:05,803 INFO L158 Benchmark]: Boogie Preprocessor took 80.98ms. Allocated memory is still 233.8MB. Free memory was 200.2MB in the beginning and 196.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-03-18 22:14:05,803 INFO L158 Benchmark]: RCFGBuilder took 548.96ms. Allocated memory is still 233.8MB. Free memory was 196.6MB in the beginning and 166.2MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-03-18 22:14:05,803 INFO L158 Benchmark]: IcfgTransformer took 29.69ms. Allocated memory is still 233.8MB. Free memory was 166.2MB in the beginning and 163.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-03-18 22:14:05,803 INFO L158 Benchmark]: TraceAbstraction took 1914.78ms. Allocated memory is still 233.8MB. Free memory was 162.6MB in the beginning and 110.8MB in the end (delta: 51.8MB). Peak memory consumption was 52.1MB. Max. memory is 8.0GB. [2022-03-18 22:14:05,805 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 181.4MB. Free memory was 143.9MB in the beginning and 143.7MB in the end (delta: 125.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 355.96ms. Allocated memory was 181.4MB in the beginning and 233.8MB in the end (delta: 52.4MB). Free memory was 126.7MB in the beginning and 200.2MB in the end (delta: -73.5MB). Peak memory consumption was 10.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 80.98ms. Allocated memory is still 233.8MB. Free memory was 200.2MB in the beginning and 196.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 548.96ms. Allocated memory is still 233.8MB. Free memory was 196.6MB in the beginning and 166.2MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * IcfgTransformer took 29.69ms. Allocated memory is still 233.8MB. Free memory was 166.2MB in the beginning and 163.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1914.78ms. Allocated memory is still 233.8MB. Free memory was 162.6MB in the beginning and 110.8MB in the end (delta: 51.8MB). Peak memory consumption was 52.1MB. 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: 1.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 488 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 475 mSDsluCounter, 263 SdHoareTripleChecker+Invalid, 0.6s 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, 0.3s 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! [2022-03-18 22:14:05,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...