/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/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05ce600 [2022-02-24 03:29:09,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-24 03:29:09,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-24 03:29:09,745 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-24 03:29:09,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-24 03:29:09,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-24 03:29:09,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-24 03:29:09,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-24 03:29:09,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-24 03:29:09,760 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-24 03:29:09,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-24 03:29:09,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-24 03:29:09,761 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-24 03:29:09,762 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-24 03:29:09,762 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-24 03:29:09,763 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-24 03:29:09,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-24 03:29:09,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-24 03:29:09,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-24 03:29:09,766 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-24 03:29:09,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-24 03:29:09,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-24 03:29:09,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-24 03:29:09,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-24 03:29:09,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-24 03:29:09,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-24 03:29:09,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-24 03:29:09,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-24 03:29:09,785 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-24 03:29:09,785 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-24 03:29:09,786 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-24 03:29:09,786 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-24 03:29:09,786 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-24 03:29:09,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-24 03:29:09,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-24 03:29:09,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-24 03:29:09,790 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationQvasr_64.epf [2022-02-24 03:29:09,800 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-24 03:29:09,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-24 03:29:09,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-24 03:29:09,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-24 03:29:09,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-24 03:29:09,802 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-24 03:29:09,802 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-24 03:29:09,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-24 03:29:09,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-24 03:29:09,802 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-24 03:29:09,803 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-24 03:29:09,803 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-24 03:29:09,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-24 03:29:09,804 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-24 03:29:09,804 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-24 03:29:09,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 03:29:09,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-24 03:29:09,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2022-02-24 03:29:09,804 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-24 03:29:09,804 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=QVASR [2022-02-24 03:29:09,804 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2022-02-24 03:29:09,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-24 03:29:10,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-24 03:29:10,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-24 03:29:10,018 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-24 03:29:10,019 INFO L275 PluginConnector]: CDTParser initialized [2022-02-24 03:29:10,020 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-02-24 03:29:10,075 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f2e2619/ffee9ca110784ddabea439d7629093b9/FLAG1d9ad4b08 [2022-02-24 03:29:10,483 INFO L306 CDTParser]: Found 1 translation units. [2022-02-24 03:29:10,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_1.c [2022-02-24 03:29:10,494 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f2e2619/ffee9ca110784ddabea439d7629093b9/FLAG1d9ad4b08 [2022-02-24 03:29:10,855 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7f2e2619/ffee9ca110784ddabea439d7629093b9 [2022-02-24 03:29:10,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-24 03:29:10,860 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-24 03:29:10,862 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-24 03:29:10,862 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-24 03:29:10,865 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-24 03:29:10,866 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:29:10" (1/1) ... [2022-02-24 03:29:10,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d540274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:10, skipping insertion in model container [2022-02-24 03:29:10,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:29:10" (1/1) ... [2022-02-24 03:29:10,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-24 03:29:10,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-24 03:29:11,115 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] [2022-02-24 03:29:11,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 03:29:11,123 INFO L203 MainTranslator]: Completed pre-run [2022-02-24 03:29:11,169 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] [2022-02-24 03:29:11,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-24 03:29:11,182 INFO L208 MainTranslator]: Completed translation [2022-02-24 03:29:11,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:11 WrapperNode [2022-02-24 03:29:11,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-24 03:29:11,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-24 03:29:11,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-24 03:29:11,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-24 03:29:11,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:11" (1/1) ... [2022-02-24 03:29:11,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:11" (1/1) ... [2022-02-24 03:29:11,201 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:11" (1/1) ... [2022-02-24 03:29:11,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:11" (1/1) ... [2022-02-24 03:29:11,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:11" (1/1) ... [2022-02-24 03:29:11,231 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:11" (1/1) ... [2022-02-24 03:29:11,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:11" (1/1) ... [2022-02-24 03:29:11,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-24 03:29:11,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-24 03:29:11,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-24 03:29:11,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-24 03:29:11,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:11" (1/1) ... [2022-02-24 03:29:11,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-24 03:29:11,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-24 03:29:11,285 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) [2022-02-24 03:29:11,299 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 [2022-02-24 03:29:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2022-02-24 03:29:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-24 03:29:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2022-02-24 03:29:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-02-24 03:29:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2022-02-24 03:29:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_107 [2022-02-24 03:29:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_110 [2022-02-24 03:29:11,313 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_113 [2022-02-24 03:29:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_114 [2022-02-24 03:29:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_115 [2022-02-24 03:29:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_117 [2022-02-24 03:29:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_118 [2022-02-24 03:29:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2022-02-24 03:29:11,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-02-24 03:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2022-02-24 03:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2022-02-24 03:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2022-02-24 03:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-24 03:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-02-24 03:29:11,314 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_107 [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_110 [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_113 [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_114 [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_115 [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_117 [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_118 [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure main [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-02-24 03:29:11,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-02-24 03:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-24 03:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-24 03:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-24 03:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-24 03:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-24 03:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-02-24 03:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-02-24 03:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2022-02-24 03:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-02-24 03:29:11,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-24 03:29:11,419 INFO L234 CfgBuilder]: Building ICFG [2022-02-24 03:29:11,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-24 03:29:11,795 INFO L275 CfgBuilder]: Performing block encoding [2022-02-24 03:29:11,802 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-24 03:29:11,803 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-02-24 03:29:11,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:29:11 BoogieIcfgContainer [2022-02-24 03:29:11,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-24 03:29:11,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-24 03:29:11,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-24 03:29:11,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-24 03:29:11,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:29:10" (1/3) ... [2022-02-24 03:29:11,809 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e203997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:29:11, skipping insertion in model container [2022-02-24 03:29:11,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:29:11" (2/3) ... [2022-02-24 03:29:11,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e203997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:29:11, skipping insertion in model container [2022-02-24 03:29:11,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:29:11" (3/3) ... [2022-02-24 03:29:11,811 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_1.c [2022-02-24 03:29:11,814 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2022-02-24 03:29:11,814 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-24 03:29:11,840 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-24 03:29:11,845 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=AcceleratedInterpolation, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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, mLoopAccelerationTechnique=QVASR [2022-02-24 03:29:11,845 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-24 03:29:11,856 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) [2022-02-24 03:29:11,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-24 03:29:11,864 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:29:11,864 INFO L514 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] [2022-02-24 03:29:11,864 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:29:11,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:29:11,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1995573915, now seen corresponding path program 1 times [2022-02-24 03:29:11,875 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:29:11,876 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650054961] [2022-02-24 03:29:11,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:29:11,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:29:11,929 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:29:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:12,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:29:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-24 03:29:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-24 03:29:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:12,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:29:12,222 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:29:12,222 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1650054961] [2022-02-24 03:29:12,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [1650054961] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:29:12,223 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:29:12,224 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-24 03:29:12,225 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176004039] [2022-02-24 03:29:12,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:29:12,230 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-24 03:29:12,230 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:29:12,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-24 03:29:12,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-24 03:29:12,259 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) [2022-02-24 03:29:12,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:29:12,674 INFO L93 Difference]: Finished difference Result 241 states and 361 transitions. [2022-02-24 03:29:12,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-24 03:29:12,677 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 [2022-02-24 03:29:12,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:29:12,684 INFO L225 Difference]: With dead ends: 241 [2022-02-24 03:29:12,685 INFO L226 Difference]: Without dead ends: 118 [2022-02-24 03:29:12,689 INFO L932 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 [2022-02-24 03:29:12,692 INFO L933 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, 0.3s IncrementalHoareTripleChecker+Time [2022-02-24 03:29:12,693 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 137 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-02-24 03:29:12,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2022-02-24 03:29:12,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2022-02-24 03:29:12,752 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) [2022-02-24 03:29:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 164 transitions. [2022-02-24 03:29:12,755 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 164 transitions. Word has length 38 [2022-02-24 03:29:12,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:29:12,755 INFO L470 AbstractCegarLoop]: Abstraction has 118 states and 164 transitions. [2022-02-24 03:29:12,755 INFO L471 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) [2022-02-24 03:29:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 164 transitions. [2022-02-24 03:29:12,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-02-24 03:29:12,757 INFO L506 BasicCegarLoop]: Found error trace [2022-02-24 03:29:12,757 INFO L514 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] [2022-02-24 03:29:12,758 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-24 03:29:12,758 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-24 03:29:12,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-24 03:29:12,758 INFO L85 PathProgramCache]: Analyzing trace with hash -946031849, now seen corresponding path program 1 times [2022-02-24 03:29:12,759 INFO L126 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2022-02-24 03:29:12,759 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202941185] [2022-02-24 03:29:12,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-24 03:29:12,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-24 03:29:12,761 INFO L213 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2022-02-24 03:29:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:12,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-02-24 03:29:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-02-24 03:29:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-02-24 03:29:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-24 03:29:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-24 03:29:12,927 INFO L144 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2022-02-24 03:29:12,928 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202941185] [2022-02-24 03:29:12,928 INFO L165 FreeRefinementEngine]: IpTcStrategyModulePreferences [202941185] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-24 03:29:12,928 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-24 03:29:12,928 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-24 03:29:12,928 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112994648] [2022-02-24 03:29:12,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-24 03:29:12,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-24 03:29:12,929 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2022-02-24 03:29:12,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-24 03:29:12,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-24 03:29:12,930 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) [2022-02-24 03:29:13,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-24 03:29:13,493 INFO L93 Difference]: Finished difference Result 118 states and 164 transitions. [2022-02-24 03:29:13,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-24 03:29:13,494 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 [2022-02-24 03:29:13,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-24 03:29:13,495 INFO L225 Difference]: With dead ends: 118 [2022-02-24 03:29:13,495 INFO L226 Difference]: Without dead ends: 0 [2022-02-24 03:29:13,501 INFO L932 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 [2022-02-24 03:29:13,503 INFO L933 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, 0.4s IncrementalHoareTripleChecker+Time [2022-02-24 03:29:13,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [239 Valid, 123 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 401 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-02-24 03:29:13,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-24 03:29:13,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-24 03:29:13,505 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) [2022-02-24 03:29:13,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-24 03:29:13,506 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-02-24 03:29:13,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-24 03:29:13,506 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-24 03:29:13,506 INFO L471 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) [2022-02-24 03:29:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-24 03:29:13,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-24 03:29:13,508 INFO L764 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-24 03:29:13,509 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-24 03:29:13,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-24 03:29:13,889 INFO L858 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2022-02-24 03:29:13,889 INFO L858 garLoopResultBuilder]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2022-02-24 03:29:13,889 INFO L858 garLoopResultBuilder]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2022-02-24 03:29:13,889 INFO L861 garLoopResultBuilder]: At program point L321(line 321) the Hoare annotation is: true [2022-02-24 03:29:13,890 INFO L861 garLoopResultBuilder]: At program point L322-1(line 322) the Hoare annotation is: true [2022-02-24 03:29:13,890 INFO L861 garLoopResultBuilder]: At program point L321-1(line 321) the Hoare annotation is: true [2022-02-24 03:29:13,890 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_113EXIT(lines 305 324) the Hoare annotation is: true [2022-02-24 03:29:13,890 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_113ENTRY(lines 305 324) the Hoare annotation is: true [2022-02-24 03:29:13,890 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_113FINAL(lines 305 324) the Hoare annotation is: true [2022-02-24 03:29:13,890 INFO L861 garLoopResultBuilder]: At program point L315(line 315) the Hoare annotation is: true [2022-02-24 03:29:13,890 INFO L861 garLoopResultBuilder]: At program point L315-1(line 315) the Hoare annotation is: true [2022-02-24 03:29:13,890 INFO L861 garLoopResultBuilder]: At program point L313(lines 313 320) the Hoare annotation is: true [2022-02-24 03:29:13,891 INFO L861 garLoopResultBuilder]: At program point L313-2(lines 313 320) the Hoare annotation is: true [2022-02-24 03:29:13,891 INFO L861 garLoopResultBuilder]: At program point L309(lines 309 312) the Hoare annotation is: true [2022-02-24 03:29:13,891 INFO L861 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: true [2022-02-24 03:29:13,891 INFO L861 garLoopResultBuilder]: At program point L386-1(lines 386 389) the Hoare annotation is: true [2022-02-24 03:29:13,891 INFO L854 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|)) [2022-02-24 03:29:13,892 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_115FINAL(lines 356 424) the Hoare annotation is: true [2022-02-24 03:29:13,892 INFO L861 garLoopResultBuilder]: At program point L403(line 403) the Hoare annotation is: true [2022-02-24 03:29:13,892 INFO L861 garLoopResultBuilder]: At program point L403-1(lines 403 406) the Hoare annotation is: true [2022-02-24 03:29:13,892 INFO L861 garLoopResultBuilder]: At program point L383-2(lines 383 421) the Hoare annotation is: true [2022-02-24 03:29:13,892 INFO L861 garLoopResultBuilder]: At program point L383-3(lines 383 421) the Hoare annotation is: true [2022-02-24 03:29:13,892 INFO L861 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: true [2022-02-24 03:29:13,892 INFO L861 garLoopResultBuilder]: At program point L396-1(lines 396 399) the Hoare annotation is: true [2022-02-24 03:29:13,894 INFO L861 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: true [2022-02-24 03:29:13,894 INFO L861 garLoopResultBuilder]: At program point L413-1(line 413) the Hoare annotation is: true [2022-02-24 03:29:13,895 INFO L861 garLoopResultBuilder]: At program point L401-2(lines 401 418) the Hoare annotation is: true [2022-02-24 03:29:13,896 INFO L861 garLoopResultBuilder]: At program point L401-3(lines 401 418) the Hoare annotation is: true [2022-02-24 03:29:13,896 INFO L861 garLoopResultBuilder]: At program point L401-4(lines 401 418) the Hoare annotation is: true [2022-02-24 03:29:13,896 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_115EXIT(lines 356 424) the Hoare annotation is: true [2022-02-24 03:29:13,896 INFO L861 garLoopResultBuilder]: At program point L414(lines 414 417) the Hoare annotation is: true [2022-02-24 03:29:13,896 INFO L861 garLoopResultBuilder]: At program point L381(lines 381 422) the Hoare annotation is: true [2022-02-24 03:29:13,896 INFO L861 garLoopResultBuilder]: At program point L377-2(lines 377 380) the Hoare annotation is: true [2022-02-24 03:29:13,896 INFO L861 garLoopResultBuilder]: At program point L377-3(lines 377 380) the Hoare annotation is: true [2022-02-24 03:29:13,896 INFO L861 garLoopResultBuilder]: At program point L377-4(lines 357 424) the Hoare annotation is: true [2022-02-24 03:29:13,897 INFO L861 garLoopResultBuilder]: At program point L390(line 390) the Hoare annotation is: true [2022-02-24 03:29:13,897 INFO L861 garLoopResultBuilder]: At program point L390-1(lines 390 393) the Hoare annotation is: true [2022-02-24 03:29:13,897 INFO L861 garLoopResultBuilder]: At program point L386(line 386) the Hoare annotation is: true [2022-02-24 03:29:13,897 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_114EXIT(lines 325 355) the Hoare annotation is: true [2022-02-24 03:29:13,897 INFO L861 garLoopResultBuilder]: At program point L343(lines 343 348) the Hoare annotation is: true [2022-02-24 03:29:13,898 INFO L861 garLoopResultBuilder]: At program point L343-1(lines 341 353) the Hoare annotation is: true [2022-02-24 03:29:13,898 INFO L861 garLoopResultBuilder]: At program point L341(line 341) the Hoare annotation is: true [2022-02-24 03:29:13,898 INFO L861 garLoopResultBuilder]: At program point L341-2(line 341) the Hoare annotation is: true [2022-02-24 03:29:13,898 INFO L861 garLoopResultBuilder]: At program point L341-3(line 341) the Hoare annotation is: true [2022-02-24 03:29:13,898 INFO L861 garLoopResultBuilder]: At program point L341-5(lines 341 353) the Hoare annotation is: true [2022-02-24 03:29:13,898 INFO L861 garLoopResultBuilder]: At program point L333-1(lines 333 340) the Hoare annotation is: true [2022-02-24 03:29:13,898 INFO L861 garLoopResultBuilder]: At program point L333-3(lines 333 340) the Hoare annotation is: true [2022-02-24 03:29:13,898 INFO L861 garLoopResultBuilder]: At program point L329(lines 329 332) the Hoare annotation is: true [2022-02-24 03:29:13,898 INFO L861 garLoopResultBuilder]: At program point L333-4(lines 333 340) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_114ENTRY(lines 325 355) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_114FINAL(lines 325 355) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point L336(lines 336 339) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point L286(lines 286 294) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_110FINAL(lines 274 304) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_110EXIT(lines 274 304) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point L280(lines 280 294) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_110ENTRY(lines 274 304) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point L298(line 298) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: true [2022-02-24 03:29:13,899 INFO L861 garLoopResultBuilder]: At program point L297-1(line 297) the Hoare annotation is: true [2022-02-24 03:29:13,900 INFO L861 garLoopResultBuilder]: At program point L295-1(lines 275 304) the Hoare annotation is: true [2022-02-24 03:29:13,901 INFO L861 garLoopResultBuilder]: At program point L295-2(lines 295 302) the Hoare annotation is: true [2022-02-24 03:29:13,901 INFO L854 garLoopResultBuilder]: At program point L478(lines 478 481) 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|)) [2022-02-24 03:29:13,901 INFO L854 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|)) [2022-02-24 03:29:13,901 INFO L861 garLoopResultBuilder]: At program point mainFINAL(lines 452 484) the Hoare annotation is: true [2022-02-24 03:29:13,902 INFO L861 garLoopResultBuilder]: At program point mainEXIT(lines 452 484) the Hoare annotation is: true [2022-02-24 03:29:13,902 INFO L854 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|)) [2022-02-24 03:29:13,902 INFO L854 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|)) [2022-02-24 03:29:13,902 INFO L854 garLoopResultBuilder]: At program point L442(line 442) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-02-24 03:29:13,903 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_117FINAL(lines 425 444) the Hoare annotation is: true [2022-02-24 03:29:13,903 INFO L854 garLoopResultBuilder]: At program point L430(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-02-24 03:29:13,903 INFO L854 garLoopResultBuilder]: At program point L430-1(line 430) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-02-24 03:29:13,903 INFO L854 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-02-24 03:29:13,903 INFO L854 garLoopResultBuilder]: At program point L433-2(lines 433 440) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-02-24 03:29:13,904 INFO L854 garLoopResultBuilder]: At program point L431-2(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-02-24 03:29:13,904 INFO L854 garLoopResultBuilder]: At program point L431-3(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-02-24 03:29:13,904 INFO L854 garLoopResultBuilder]: At program point L431-4(lines 431 441) the Hoare annotation is: (= |old(~Id_MCDC_132~0)| ~Id_MCDC_132~0) [2022-02-24 03:29:13,904 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_117EXIT(lines 425 444) the Hoare annotation is: true [2022-02-24 03:29:13,904 INFO L854 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|)) [2022-02-24 03:29:13,904 INFO L854 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|)) [2022-02-24 03:29:13,904 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_118FINAL(lines 445 451) the Hoare annotation is: true [2022-02-24 03:29:13,905 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_118EXIT(lines 445 451) the Hoare annotation is: true [2022-02-24 03:29:13,905 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2022-02-24 03:29:13,905 INFO L858 garLoopResultBuilder]: For program point L6(line 6) no Hoare annotation was computed. [2022-02-24 03:29:13,905 INFO L858 garLoopResultBuilder]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2022-02-24 03:29:13,905 INFO L858 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2022-02-24 03:29:13,905 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2022-02-24 03:29:13,905 INFO L854 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|)) [2022-02-24 03:29:13,905 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2022-02-24 03:29:13,905 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2022-02-24 03:29:13,905 INFO L861 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: true [2022-02-24 03:29:13,905 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-02-24 03:29:13,905 INFO L861 garLoopResultBuilder]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2022-02-24 03:29:13,906 INFO L861 garLoopResultBuilder]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2022-02-24 03:29:13,907 INFO L861 garLoopResultBuilder]: At program point L11(lines 11 14) the Hoare annotation is: true [2022-02-24 03:29:13,907 INFO L861 garLoopResultBuilder]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2022-02-24 03:29:13,920 INFO L861 garLoopResultBuilder]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2022-02-24 03:29:13,920 INFO L861 garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(lines 485 492) the Hoare annotation is: true [2022-02-24 03:29:13,921 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertEXIT(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-02-24 03:29:13,921 INFO L854 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-02-24 03:29:13,921 INFO L854 garLoopResultBuilder]: At program point L487(lines 487 490) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-02-24 03:29:13,921 INFO L854 garLoopResultBuilder]: At program point L487-2(lines 485 492) the Hoare annotation is: (or (= __VERIFIER_assert_~Id_MCDC_121 1) (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1))) [2022-02-24 03:29:13,923 INFO L854 garLoopResultBuilder]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 489) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~Id_MCDC_121| 1)) [2022-02-24 03:29:13,923 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_107ENTRY(lines 218 273) the Hoare annotation is: true [2022-02-24 03:29:13,927 INFO L861 garLoopResultBuilder]: At program point L254(lines 254 257) the Hoare annotation is: true [2022-02-24 03:29:13,928 INFO L861 garLoopResultBuilder]: At program point L246(line 246) the Hoare annotation is: true [2022-02-24 03:29:13,928 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_107FINAL(lines 218 273) the Hoare annotation is: true [2022-02-24 03:29:13,928 INFO L861 garLoopResultBuilder]: At program point L242(line 242) the Hoare annotation is: true [2022-02-24 03:29:13,928 INFO L861 garLoopResultBuilder]: At program point L242-2(line 242) the Hoare annotation is: true [2022-02-24 03:29:13,928 INFO L861 garLoopResultBuilder]: At program point L234(lines 234 250) the Hoare annotation is: true [2022-02-24 03:29:13,928 INFO L861 garLoopResultBuilder]: At program point L259(line 259) the Hoare annotation is: true [2022-02-24 03:29:13,928 INFO L861 garLoopResultBuilder]: At program point L259-2(line 259) the Hoare annotation is: true [2022-02-24 03:29:13,928 INFO L861 garLoopResultBuilder]: At program point L259-3(line 259) the Hoare annotation is: true [2022-02-24 03:29:13,928 INFO L861 garLoopResultBuilder]: At program point L259-5(lines 259 271) the Hoare annotation is: true [2022-02-24 03:29:13,928 INFO L861 garLoopResultBuilder]: At program point L251-1(lines 251 258) the Hoare annotation is: true [2022-02-24 03:29:13,929 INFO L861 garLoopResultBuilder]: At program point L251-3(lines 251 258) the Hoare annotation is: true [2022-02-24 03:29:13,929 INFO L861 garLoopResultBuilder]: At program point L251-4(lines 251 258) the Hoare annotation is: true [2022-02-24 03:29:13,929 INFO L861 garLoopResultBuilder]: At program point L243(line 243) the Hoare annotation is: true [2022-02-24 03:29:13,929 INFO L861 garLoopResultBuilder]: At program point L239(line 239) the Hoare annotation is: true [2022-02-24 03:29:13,930 INFO L861 garLoopResultBuilder]: At program point L239-2(line 239) the Hoare annotation is: true [2022-02-24 03:29:13,930 INFO L861 garLoopResultBuilder]: At program point L227(lines 227 233) the Hoare annotation is: true [2022-02-24 03:29:13,930 INFO L861 garLoopResultBuilder]: At program point L227-2(lines 227 233) the Hoare annotation is: true [2022-02-24 03:29:13,930 INFO L861 garLoopResultBuilder]: At program point L223(lines 223 226) the Hoare annotation is: true [2022-02-24 03:29:13,930 INFO L861 garLoopResultBuilder]: At program point L248(line 248) the Hoare annotation is: true [2022-02-24 03:29:13,930 INFO L861 garLoopResultBuilder]: At program point L240(line 240) the Hoare annotation is: true [2022-02-24 03:29:13,930 INFO L861 garLoopResultBuilder]: At program point L236(line 236) the Hoare annotation is: true [2022-02-24 03:29:13,930 INFO L861 garLoopResultBuilder]: At program point L236-2(line 236) the Hoare annotation is: true [2022-02-24 03:29:13,930 INFO L861 garLoopResultBuilder]: At program point L261(lines 261 266) the Hoare annotation is: true [2022-02-24 03:29:13,931 INFO L861 garLoopResultBuilder]: At program point L261-1(lines 259 271) the Hoare annotation is: true [2022-02-24 03:29:13,931 INFO L861 garLoopResultBuilder]: At program point L245(line 245) the Hoare annotation is: true [2022-02-24 03:29:13,931 INFO L861 garLoopResultBuilder]: At program point L245-2(line 245) the Hoare annotation is: true [2022-02-24 03:29:13,931 INFO L861 garLoopResultBuilder]: At program point L237(line 237) the Hoare annotation is: true [2022-02-24 03:29:13,931 INFO L861 garLoopResultBuilder]: At program point L229(lines 229 232) the Hoare annotation is: true [2022-02-24 03:29:13,931 INFO L861 garLoopResultBuilder]: At program point Id_MCDC_107EXIT(lines 218 273) the Hoare annotation is: true [2022-02-24 03:29:13,936 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2022-02-24 03:29:13,937 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-24 03:29:13,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 03:29:13 BoogieIcfgContainer [2022-02-24 03:29:13,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-24 03:29:13,948 INFO L158 Benchmark]: Toolchain (without parser) took 3088.40ms. Allocated memory was 177.2MB in the beginning and 219.2MB in the end (delta: 41.9MB). Free memory was 118.7MB in the beginning and 171.0MB in the end (delta: -52.3MB). Peak memory consumption was 88.0MB. Max. memory is 8.0GB. [2022-02-24 03:29:13,948 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-24 03:29:13,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.52ms. Allocated memory was 177.2MB in the beginning and 219.2MB in the end (delta: 41.9MB). Free memory was 118.5MB in the beginning and 184.4MB in the end (delta: -65.9MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. [2022-02-24 03:29:13,949 INFO L158 Benchmark]: Boogie Preprocessor took 53.20ms. Allocated memory is still 219.2MB. Free memory was 184.4MB in the beginning and 180.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-02-24 03:29:13,949 INFO L158 Benchmark]: RCFGBuilder took 567.82ms. Allocated memory is still 219.2MB. Free memory was 180.7MB in the beginning and 150.4MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2022-02-24 03:29:13,949 INFO L158 Benchmark]: TraceAbstraction took 2140.99ms. Allocated memory is still 219.2MB. Free memory was 149.8MB in the beginning and 171.0MB in the end (delta: -21.1MB). Peak memory consumption was 76.1MB. Max. memory is 8.0GB. [2022-02-24 03:29:13,950 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 177.2MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 320.52ms. Allocated memory was 177.2MB in the beginning and 219.2MB in the end (delta: 41.9MB). Free memory was 118.5MB in the beginning and 184.4MB in the end (delta: -65.9MB). Peak memory consumption was 10.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.20ms. Allocated memory is still 219.2MB. Free memory was 184.4MB in the beginning and 180.7MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 567.82ms. Allocated memory is still 219.2MB. Free memory was 180.7MB in the beginning and 150.4MB in the end (delta: 30.4MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2140.99ms. Allocated memory is still 219.2MB. Free memory was 149.8MB in the beginning and 171.0MB in the end (delta: -21.1MB). Peak memory consumption was 76.1MB. 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: 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 14 procedures, 134 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, 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, 127 LocationsWithAnnotation, 422 PreInvPairs, 533 NumberOfFragments, 353 HoareAnnotationTreeSize, 422 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 127 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 - ProcedureContractResult [Line: 305]: Procedure Contract for Id_MCDC_113 Derived contract for procedure Id_MCDC_113: 1 - ProcedureContractResult [Line: 356]: Procedure Contract for Id_MCDC_115 Derived contract for procedure Id_MCDC_115: 1 - ProcedureContractResult [Line: 325]: Procedure Contract for Id_MCDC_114 Derived contract for procedure Id_MCDC_114: 1 - ProcedureContractResult [Line: 274]: Procedure Contract for Id_MCDC_110 Derived contract for procedure Id_MCDC_110: 1 - ProcedureContractResult [Line: 452]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 485]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: Id_MCDC_121 == 1 || !(\old(Id_MCDC_121) == 1) - ProcedureContractResult [Line: 425]: Procedure Contract for Id_MCDC_117 Derived contract for procedure Id_MCDC_117: 1 - ProcedureContractResult [Line: 218]: Procedure Contract for Id_MCDC_107 Derived contract for procedure Id_MCDC_107: 1 - ProcedureContractResult [Line: 445]: Procedure Contract for Id_MCDC_118 Derived contract for procedure Id_MCDC_118: 1 RESULT: Ultimate proved your program to be correct! [2022-02-24 03:29:13,978 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...