/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/acceleratedInterpolationJordan_32.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-6253b08 [2021-05-06 11:41:56,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-06 11:41:56,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-06 11:41:56,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-06 11:41:56,811 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-06 11:41:56,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-06 11:41:56,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-06 11:41:56,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-06 11:41:56,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-06 11:41:56,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-06 11:41:56,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-06 11:41:56,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-06 11:41:56,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-06 11:41:56,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-06 11:41:56,833 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-06 11:41:56,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-06 11:41:56,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-06 11:41:56,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-06 11:41:56,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-06 11:41:56,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-06 11:41:56,848 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-06 11:41:56,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-06 11:41:56,851 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-06 11:41:56,852 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-06 11:41:56,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-06 11:41:56,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-06 11:41:56,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-06 11:41:56,868 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-06 11:41:56,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationJordan_32.epf [2021-05-06 11:41:56,906 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-06 11:41:56,906 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-06 11:41:56,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-06 11:41:56,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-06 11:41:56,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-06 11:41:56,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-06 11:41:56,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-06 11:41:56,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-06 11:41:56,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-06 11:41:56,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-06 11:41:56,909 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-06 11:41:56,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-06 11:41:56,909 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-06 11:41:56,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-06 11:41:56,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-06 11:41:56,910 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-06 11:41:56,910 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-06 11:41:56,910 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-06 11:41:56,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 11:41:56,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-06 11:41:56,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-05-06 11:41:56,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-06 11:41:56,911 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=JORDAN [2021-05-06 11:41:56,911 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.core: Log level for class -> de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=WARN; [2021-05-06 11:41:57,215 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-06 11:41:57,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-06 11:41:57,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-06 11:41:57,241 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-06 11:41:57,242 INFO L275 PluginConnector]: CDTParser initialized [2021-05-06 11:41:57,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2021-05-06 11:41:57,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651851712/d110d21b59a34856b61a36819acd9f51/FLAGd538617b2 [2021-05-06 11:41:57,813 INFO L306 CDTParser]: Found 1 translation units. [2021-05-06 11:41:57,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2021-05-06 11:41:57,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651851712/d110d21b59a34856b61a36819acd9f51/FLAGd538617b2 [2021-05-06 11:41:58,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651851712/d110d21b59a34856b61a36819acd9f51 [2021-05-06 11:41:58,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-06 11:41:58,322 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-05-06 11:41:58,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-06 11:41:58,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-06 11:41:58,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-06 11:41:58,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 11:41:58" (1/1) ... [2021-05-06 11:41:58,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55255a7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58, skipping insertion in model container [2021-05-06 11:41:58,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 11:41:58" (1/1) ... [2021-05-06 11:41:58,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-06 11:41:58,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-06 11:41:58,593 WARN L224 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_4.c[11358,11371] [2021-05-06 11:41:58,596 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 11:41:58,603 INFO L203 MainTranslator]: Completed pre-run [2021-05-06 11:41:58,656 WARN L224 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_4.c[11358,11371] [2021-05-06 11:41:58,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-06 11:41:58,679 INFO L208 MainTranslator]: Completed translation [2021-05-06 11:41:58,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58 WrapperNode [2021-05-06 11:41:58,680 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-06 11:41:58,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-06 11:41:58,682 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-06 11:41:58,682 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-06 11:41:58,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58" (1/1) ... [2021-05-06 11:41:58,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58" (1/1) ... [2021-05-06 11:41:58,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58" (1/1) ... [2021-05-06 11:41:58,720 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58" (1/1) ... [2021-05-06 11:41:58,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58" (1/1) ... [2021-05-06 11:41:58,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58" (1/1) ... [2021-05-06 11:41:58,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58" (1/1) ... [2021-05-06 11:41:58,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-06 11:41:58,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-06 11:41:58,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-06 11:41:58,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-06 11:41:58,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-06 11:41:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-05-06 11:41:58,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-06 11:41:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-05-06 11:41:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-05-06 11:41:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2021-05-06 11:41:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2021-05-06 11:41:58,858 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2021-05-06 11:41:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2021-05-06 11:41:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2021-05-06 11:41:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2021-05-06 11:41:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2021-05-06 11:41:58,859 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2021-05-06 11:41:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-05-06 11:41:58,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-05-06 11:41:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-05-06 11:41:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-05-06 11:41:58,860 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-05-06 11:41:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-06 11:41:58,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-05-06 11:41:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2021-05-06 11:41:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-05-06 11:41:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2021-05-06 11:41:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2021-05-06 11:41:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2021-05-06 11:41:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2021-05-06 11:41:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2021-05-06 11:41:58,863 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-05-06 11:41:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2021-05-06 11:41:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2021-05-06 11:41:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-05-06 11:41:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-05-06 11:41:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-05-06 11:41:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-05-06 11:41:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-06 11:41:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-06 11:41:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-06 11:41:58,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-06 11:41:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-05-06 11:41:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-05-06 11:41:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-05-06 11:41:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-05-06 11:41:58,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-06 11:41:59,579 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-06 11:41:59,579 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-05-06 11:41:59,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 11:41:59 BoogieIcfgContainer [2021-05-06 11:41:59,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-06 11:41:59,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-06 11:41:59,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-06 11:41:59,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-06 11:41:59,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 11:41:58" (1/3) ... [2021-05-06 11:41:59,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297511b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 11:41:59, skipping insertion in model container [2021-05-06 11:41:59,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 11:41:58" (2/3) ... [2021-05-06 11:41:59,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@297511b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 11:41:59, skipping insertion in model container [2021-05-06 11:41:59,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 11:41:59" (3/3) ... [2021-05-06 11:41:59,587 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2021-05-06 11:41:59,592 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-05-06 11:41:59,594 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-05-06 11:41:59,605 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-06 11:41:59,620 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-05-06 11:41:59,620 INFO L377 AbstractCegarLoop]: Hoare is true [2021-05-06 11:41:59,620 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-05-06 11:41:59,620 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-06 11:41:59,621 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-06 11:41:59,621 INFO L381 AbstractCegarLoop]: Difference is false [2021-05-06 11:41:59,621 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-06 11:41:59,621 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-06 11:41:59,634 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) [2021-05-06 11:41:59,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-05-06 11:41:59,644 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:41:59,645 INFO L523 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] [2021-05-06 11:41:59,645 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:41:59,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:41:59,649 INFO L82 PathProgramCache]: Analyzing trace with hash -369665950, now seen corresponding path program 1 times [2021-05-06 11:41:59,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:41:59,655 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599868420] [2021-05-06 11:41:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:41:59,700 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-06 11:41:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:42:00,032 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:42:00,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:42:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:42:00,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-06 11:42:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:42:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-05-06 11:42:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:42:00,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-05-06 11:42:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:42:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-05-06 11:42:00,150 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:42:00,151 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599868420] [2021-05-06 11:42:00,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1599868420] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:42:00,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:42:00,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-05-06 11:42:00,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154920625] [2021-05-06 11:42:00,156 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-05-06 11:42:00,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:42:00,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-05-06 11:42:00,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-05-06 11:42:00,171 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), 1 states have call successors, (4) [2021-05-06 11:42:00,385 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-05-06 11:42:00,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:42:00,949 INFO L93 Difference]: Finished difference Result 245 states and 367 transitions. [2021-05-06 11:42:00,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-06 11:42:00,950 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), 1 states have call successors, (4) Word has length 47 [2021-05-06 11:42:00,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:42:00,957 INFO L225 Difference]: With dead ends: 245 [2021-05-06 11:42:00,957 INFO L226 Difference]: Without dead ends: 120 [2021-05-06 11:42:00,961 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 377.2ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-05-06 11:42:00,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-05-06 11:42:01,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-05-06 11:42:01,021 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) [2021-05-06 11:42:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2021-05-06 11:42:01,041 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 47 [2021-05-06 11:42:01,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:42:01,043 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2021-05-06 11:42:01,043 INFO L481 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), 1 states have call successors, (4) [2021-05-06 11:42:01,044 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2021-05-06 11:42:01,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-05-06 11:42:01,052 INFO L515 BasicCegarLoop]: Found error trace [2021-05-06 11:42:01,052 INFO L523 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] [2021-05-06 11:42:01,053 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-06 11:42:01,053 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-06 11:42:01,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-06 11:42:01,054 INFO L82 PathProgramCache]: Analyzing trace with hash -1781973424, now seen corresponding path program 1 times [2021-05-06 11:42:01,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-05-06 11:42:01,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213344319] [2021-05-06 11:42:01,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-06 11:42:01,058 INFO L224 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-05-06 11:42:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:42:01,314 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-05-06 11:42:01,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-05-06 11:42:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:42:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-05-06 11:42:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:42:01,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-05-06 11:42:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:42:01,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-05-06 11:42:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-06 11:42:01,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-06 11:42:01,389 INFO L179 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2021-05-06 11:42:01,389 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213344319] [2021-05-06 11:42:01,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModulePreferences [1213344319] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-06 11:42:01,392 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-06 11:42:01,392 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-06 11:42:01,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275291548] [2021-05-06 11:42:01,393 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-06 11:42:01,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-05-06 11:42:01,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-06 11:42:01,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-06 11:42:01,394 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) [2021-05-06 11:42:01,554 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-05-06 11:42:02,215 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-05-06 11:42:02,368 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-05-06 11:42:02,514 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-05-06 11:42:02,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-06 11:42:02,689 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2021-05-06 11:42:02,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-06 11:42:02,692 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 [2021-05-06 11:42:02,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-06 11:42:02,692 INFO L225 Difference]: With dead ends: 148 [2021-05-06 11:42:02,692 INFO L226 Difference]: Without dead ends: 0 [2021-05-06 11:42:02,694 INFO L779 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 757.5ms TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-05-06 11:42:02,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-06 11:42:02,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-06 11:42:02,695 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) [2021-05-06 11:42:02,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-06 11:42:02,695 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2021-05-06 11:42:02,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-06 11:42:02,695 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-06 11:42:02,695 INFO L481 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) [2021-05-06 11:42:02,696 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-06 11:42:02,696 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-06 11:42:02,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-06 11:42:02,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-05-06 11:42:04,187 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 16 [2021-05-06 11:42:04,319 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-05-06 11:42:04,479 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 7 [2021-05-06 11:42:04,630 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-05-06 11:42:04,836 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-05-06 11:42:05,055 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-05-06 11:42:05,394 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-05-06 11:42:05,519 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-05-06 11:42:05,695 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 7 [2021-05-06 11:42:05,947 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-05-06 11:42:06,176 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 1 [2021-05-06 11:42:06,286 INFO L198 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-05-06 11:42:06,286 INFO L198 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-05-06 11:42:06,286 INFO L198 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-05-06 11:42:06,286 INFO L201 CegarLoopUtils]: At program point Id_MCDC_100FINAL(lines 420 426) the Hoare annotation is: true [2021-05-06 11:42:06,286 INFO L201 CegarLoopUtils]: At program point Id_MCDC_100EXIT(lines 420 426) the Hoare annotation is: true [2021-05-06 11:42:06,286 INFO L194 CegarLoopUtils]: At program point L424(line 424) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-05-06 11:42:06,287 INFO L194 CegarLoopUtils]: At program point Id_MCDC_100ENTRY(lines 420 426) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-05-06 11:42:06,287 INFO L201 CegarLoopUtils]: At program point L417(line 417) the Hoare annotation is: true [2021-05-06 11:42:06,287 INFO L201 CegarLoopUtils]: At program point L405(line 405) the Hoare annotation is: true [2021-05-06 11:42:06,287 INFO L201 CegarLoopUtils]: At program point L405-1(line 405) the Hoare annotation is: true [2021-05-06 11:42:06,287 INFO L194 CegarLoopUtils]: At program point Id_MCDC_99ENTRY(lines 400 419) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-05-06 11:42:06,287 INFO L201 CegarLoopUtils]: At program point Id_MCDC_99EXIT(lines 400 419) the Hoare annotation is: true [2021-05-06 11:42:06,287 INFO L201 CegarLoopUtils]: At program point L408(line 408) the Hoare annotation is: true [2021-05-06 11:42:06,287 INFO L201 CegarLoopUtils]: At program point L408-2(lines 408 415) the Hoare annotation is: true [2021-05-06 11:42:06,287 INFO L201 CegarLoopUtils]: At program point L406-2(lines 406 416) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point Id_MCDC_99FINAL(lines 400 419) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point L221(line 221) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point L217(line 217) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point L217-2(line 217) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point L209(lines 209 225) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point Id_MCDC_89EXIT(lines 193 248) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point L234(line 234) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point L234-2(line 234) the Hoare annotation is: true [2021-05-06 11:42:06,288 INFO L201 CegarLoopUtils]: At program point L234-3(line 234) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L234-5(lines 234 246) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L226-1(lines 226 233) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L226-4(lines 226 233) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L218(line 218) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L214(line 214) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L214-2(line 214) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L202(lines 202 208) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L202-2(lines 202 208) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point Id_MCDC_89FINAL(lines 193 248) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L198(lines 198 201) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L223(line 223) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L215(line 215) the Hoare annotation is: true [2021-05-06 11:42:06,289 INFO L201 CegarLoopUtils]: At program point L211(line 211) the Hoare annotation is: true [2021-05-06 11:42:06,290 INFO L201 CegarLoopUtils]: At program point L211-2(line 211) the Hoare annotation is: true [2021-05-06 11:42:06,290 INFO L201 CegarLoopUtils]: At program point L236(lines 236 241) the Hoare annotation is: true [2021-05-06 11:42:06,290 INFO L201 CegarLoopUtils]: At program point L236-1(lines 234 246) the Hoare annotation is: true [2021-05-06 11:42:06,290 INFO L201 CegarLoopUtils]: At program point L220(line 220) the Hoare annotation is: true [2021-05-06 11:42:06,290 INFO L201 CegarLoopUtils]: At program point L220-2(line 220) the Hoare annotation is: true [2021-05-06 11:42:06,290 INFO L201 CegarLoopUtils]: At program point L212(line 212) the Hoare annotation is: true [2021-05-06 11:42:06,290 INFO L201 CegarLoopUtils]: At program point L204(lines 204 207) the Hoare annotation is: true [2021-05-06 11:42:06,290 INFO L201 CegarLoopUtils]: At program point L229(lines 229 232) the Hoare annotation is: true [2021-05-06 11:42:06,290 INFO L194 CegarLoopUtils]: At program point mainENTRY(lines 427 458) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-05-06 11:42:06,290 INFO L201 CegarLoopUtils]: At program point mainFINAL(lines 427 458) the Hoare annotation is: true [2021-05-06 11:42:06,290 INFO L194 CegarLoopUtils]: At program point L457(line 457) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-05-06 11:42:06,291 INFO L201 CegarLoopUtils]: At program point mainEXIT(lines 427 458) the Hoare annotation is: true [2021-05-06 11:42:06,291 INFO L194 CegarLoopUtils]: At program point L452(lines 452 455) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0)) [2021-05-06 11:42:06,291 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2021-05-06 11:42:06,291 INFO L198 CegarLoopUtils]: For program point L6(line 6) no Hoare annotation was computed. [2021-05-06 11:42:06,291 INFO L198 CegarLoopUtils]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2021-05-06 11:42:06,291 INFO L198 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2021-05-06 11:42:06,291 INFO L201 CegarLoopUtils]: At program point L378(line 378) the Hoare annotation is: true [2021-05-06 11:42:06,291 INFO L201 CegarLoopUtils]: At program point L378-1(lines 378 381) the Hoare annotation is: true [2021-05-06 11:42:06,292 INFO L194 CegarLoopUtils]: At program point Id_MCDC_97ENTRY(lines 331 399) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2021-05-06 11:42:06,292 INFO L201 CegarLoopUtils]: At program point Id_MCDC_97EXIT(lines 331 399) the Hoare annotation is: true [2021-05-06 11:42:06,292 INFO L201 CegarLoopUtils]: At program point L358-2(lines 358 396) the Hoare annotation is: true [2021-05-06 11:42:06,292 INFO L201 CegarLoopUtils]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2021-05-06 11:42:06,292 INFO L201 CegarLoopUtils]: At program point L371(line 371) the Hoare annotation is: true [2021-05-06 11:42:06,292 INFO L201 CegarLoopUtils]: At program point L371-1(lines 371 374) the Hoare annotation is: true [2021-05-06 11:42:06,292 INFO L201 CegarLoopUtils]: At program point Id_MCDC_97FINAL(lines 331 399) the Hoare annotation is: true [2021-05-06 11:42:06,292 INFO L201 CegarLoopUtils]: At program point L388(line 388) the Hoare annotation is: true [2021-05-06 11:42:06,292 INFO L201 CegarLoopUtils]: At program point L388-1(line 388) the Hoare annotation is: true [2021-05-06 11:42:06,292 INFO L201 CegarLoopUtils]: At program point L376-2(lines 376 393) the Hoare annotation is: true [2021-05-06 11:42:06,293 INFO L201 CegarLoopUtils]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2021-05-06 11:42:06,293 INFO L201 CegarLoopUtils]: At program point L376-4(lines 376 393) the Hoare annotation is: true [2021-05-06 11:42:06,293 INFO L201 CegarLoopUtils]: At program point L389(lines 389 392) the Hoare annotation is: true [2021-05-06 11:42:06,293 INFO L201 CegarLoopUtils]: At program point L356(lines 356 397) the Hoare annotation is: true [2021-05-06 11:42:06,293 INFO L201 CegarLoopUtils]: At program point L352-2(lines 352 355) the Hoare annotation is: true [2021-05-06 11:42:06,293 INFO L201 CegarLoopUtils]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2021-05-06 11:42:06,293 INFO L201 CegarLoopUtils]: At program point L352-4(lines 332 399) the Hoare annotation is: true [2021-05-06 11:42:06,293 INFO L201 CegarLoopUtils]: At program point L365(line 365) the Hoare annotation is: true [2021-05-06 11:42:06,293 INFO L201 CegarLoopUtils]: At program point L365-1(lines 365 368) the Hoare annotation is: true [2021-05-06 11:42:06,293 INFO L201 CegarLoopUtils]: At program point L361(line 361) the Hoare annotation is: true [2021-05-06 11:42:06,294 INFO L201 CegarLoopUtils]: At program point L361-1(lines 361 364) the Hoare annotation is: true [2021-05-06 11:42:06,294 INFO L201 CegarLoopUtils]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2021-05-06 11:42:06,294 INFO L201 CegarLoopUtils]: At program point Id_MCDC_95EXIT(lines 280 299) the Hoare annotation is: true [2021-05-06 11:42:06,294 INFO L194 CegarLoopUtils]: At program point L298(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short30| [2021-05-06 11:42:06,294 INFO L201 CegarLoopUtils]: At program point L296(line 296) the Hoare annotation is: true [2021-05-06 11:42:06,294 INFO L194 CegarLoopUtils]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short30| [2021-05-06 11:42:06,294 INFO L201 CegarLoopUtils]: At program point L296-1(line 296) the Hoare annotation is: true [2021-05-06 11:42:06,294 INFO L194 CegarLoopUtils]: At program point L298-3(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short30| [2021-05-06 11:42:06,294 INFO L201 CegarLoopUtils]: At program point L290(line 290) the Hoare annotation is: true [2021-05-06 11:42:06,294 INFO L201 CegarLoopUtils]: At program point L290-1(line 290) the Hoare annotation is: true [2021-05-06 11:42:06,295 INFO L201 CegarLoopUtils]: At program point L288(lines 288 295) the Hoare annotation is: true [2021-05-06 11:42:06,295 INFO L201 CegarLoopUtils]: At program point L288-2(lines 288 295) the Hoare annotation is: true [2021-05-06 11:42:06,295 INFO L201 CegarLoopUtils]: At program point L284(lines 284 287) the Hoare annotation is: true [2021-05-06 11:42:06,295 INFO L201 CegarLoopUtils]: At program point L297(line 297) the Hoare annotation is: true [2021-05-06 11:42:06,295 INFO L201 CegarLoopUtils]: At program point L297-1(line 297) the Hoare annotation is: true [2021-05-06 11:42:06,295 INFO L201 CegarLoopUtils]: At program point Id_MCDC_95FINAL(lines 280 299) the Hoare annotation is: true [2021-05-06 11:42:06,295 INFO L201 CegarLoopUtils]: At program point L318(lines 318 323) the Hoare annotation is: true [2021-05-06 11:42:06,295 INFO L201 CegarLoopUtils]: At program point L318-1(lines 316 328) the Hoare annotation is: true [2021-05-06 11:42:06,295 INFO L201 CegarLoopUtils]: At program point L316(line 316) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point L316-2(line 316) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point L316-3(line 316) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point L316-5(lines 316 328) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point L308-1(lines 308 315) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point L304(lines 304 307) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point L308-4(lines 308 315) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point Id_MCDC_96FINAL(lines 300 330) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point L311(lines 311 314) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point Id_MCDC_96EXIT(lines 300 330) the Hoare annotation is: true [2021-05-06 11:42:06,296 INFO L201 CegarLoopUtils]: At program point L255(lines 255 269) the Hoare annotation is: true [2021-05-06 11:42:06,297 INFO L201 CegarLoopUtils]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2021-05-06 11:42:06,297 INFO L201 CegarLoopUtils]: At program point Id_MCDC_92EXIT(lines 249 279) the Hoare annotation is: true [2021-05-06 11:42:06,297 INFO L201 CegarLoopUtils]: At program point L272(line 272) the Hoare annotation is: true [2021-05-06 11:42:06,297 INFO L201 CegarLoopUtils]: At program point L272-1(line 272) the Hoare annotation is: true [2021-05-06 11:42:06,297 INFO L201 CegarLoopUtils]: At program point Id_MCDC_92FINAL(lines 249 279) the Hoare annotation is: true [2021-05-06 11:42:06,297 INFO L201 CegarLoopUtils]: At program point L270-1(lines 250 279) the Hoare annotation is: true [2021-05-06 11:42:06,297 INFO L201 CegarLoopUtils]: At program point L270-2(lines 270 277) the Hoare annotation is: true [2021-05-06 11:42:06,297 INFO L201 CegarLoopUtils]: At program point L261(lines 261 269) the Hoare annotation is: true [2021-05-06 11:42:06,297 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-05-06 11:42:06,298 INFO L194 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~Id_MCDC_111~0.base |old(~Id_MCDC_111~0.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |old(~Id_MCDC_111~0.offset)| ~Id_MCDC_111~0.offset) (= |#t~string72.base| |old(#t~string72.base)|) (= ~Id_MCDC_109~0.offset |old(~Id_MCDC_109~0.offset)|) (= ~Id_MCDC_107~0.offset |old(~Id_MCDC_107~0.offset)|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string73.base)| |#t~string73.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= |~#Id_MCDC_112~0.base| |old(~#Id_MCDC_112~0.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~Id_MCDC_108~0.base |old(~Id_MCDC_108~0.base)|) (= |old(~#Id_MCDC_112~0.offset)| |~#Id_MCDC_112~0.offset|) (= |#t~string21.base| |old(#t~string21.base)|) (= |old(#t~string40.base)| |#t~string40.base|) (= |old(~Id_MCDC_114~0)| ~Id_MCDC_114~0) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~Id_MCDC_110~0.offset |old(~Id_MCDC_110~0.offset)|) (= |old(~Id_MCDC_106~0)| ~Id_MCDC_106~0) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |old(#t~string45.base)| |#t~string45.base|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |old(~Id_MCDC_110~0.base)| ~Id_MCDC_110~0.base) (= |old(~Id_MCDC_109~0.base)| ~Id_MCDC_109~0.base) (= |old(~Id_MCDC_104~0)| ~Id_MCDC_104~0) (= |old(#t~string16.base)| |#t~string16.base|) (= |old(#t~string16.offset)| |#t~string16.offset|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |old(~#Id_MCDC_113~0.base)| |~#Id_MCDC_113~0.base|) (= |old(~Id_MCDC_108~0.offset)| ~Id_MCDC_108~0.offset) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |old(~#Id_MCDC_113~0.offset)| |~#Id_MCDC_113~0.offset|) (= |old(~Id_MCDC_105~0)| ~Id_MCDC_105~0) (= ~Id_MCDC_107~0.base |old(~Id_MCDC_107~0.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-05-06 11:42:06,298 INFO L201 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-05-06 11:42:06,298 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-05-06 11:42:06,298 INFO L201 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-05-06 11:42:06,298 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-05-06 11:42:06,298 INFO L201 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-05-06 11:42:06,298 INFO L201 CegarLoopUtils]: At program point avoid_zeroEXIT(lines 9 15) the Hoare annotation is: true [2021-05-06 11:42:06,298 INFO L201 CegarLoopUtils]: At program point L11(lines 11 14) the Hoare annotation is: true [2021-05-06 11:42:06,298 INFO L201 CegarLoopUtils]: At program point L11-2(lines 9 15) the Hoare annotation is: true [2021-05-06 11:42:06,298 INFO L201 CegarLoopUtils]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2021-05-06 11:42:06,298 INFO L194 CegarLoopUtils]: At program point L463(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2021-05-06 11:42:06,298 INFO L201 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2021-05-06 11:42:06,299 INFO L194 CegarLoopUtils]: At program point L461(lines 461 464) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2021-05-06 11:42:06,299 INFO L194 CegarLoopUtils]: At program point L461-2(lines 459 466) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2021-05-06 11:42:06,299 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 459 466) the Hoare annotation is: (or (not (= __VERIFIER_assert_~Id_MCDC_103 0)) (= |__VERIFIER_assert_#in~Id_MCDC_103| 0)) [2021-05-06 11:42:06,299 INFO L194 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) the Hoare annotation is: (= |__VERIFIER_assert_#in~Id_MCDC_103| 0) [2021-05-06 11:42:06,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 11:42:06 BoogieIcfgContainer [2021-05-06 11:42:06,312 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-06 11:42:06,313 INFO L168 Benchmark]: Toolchain (without parser) took 7991.47 ms. Allocated memory was 205.5 MB in the beginning and 408.9 MB in the end (delta: 203.4 MB). Free memory was 170.6 MB in the beginning and 369.6 MB in the end (delta: -199.0 MB). Peak memory consumption was 224.3 MB. Max. memory is 8.0 GB. [2021-05-06 11:42:06,314 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 205.5 MB. Free memory is still 188.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-05-06 11:42:06,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.83 ms. Allocated memory is still 205.5 MB. Free memory was 170.4 MB in the beginning and 182.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-05-06 11:42:06,315 INFO L168 Benchmark]: Boogie Preprocessor took 92.71 ms. Allocated memory is still 205.5 MB. Free memory was 182.0 MB in the beginning and 178.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-05-06 11:42:06,315 INFO L168 Benchmark]: RCFGBuilder took 806.15 ms. Allocated memory is still 205.5 MB. Free memory was 178.3 MB in the beginning and 166.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 46.6 MB. Max. memory is 8.0 GB. [2021-05-06 11:42:06,316 INFO L168 Benchmark]: TraceAbstraction took 6730.21 ms. Allocated memory was 205.5 MB in the beginning and 408.9 MB in the end (delta: 203.4 MB). Free memory was 165.8 MB in the beginning and 369.6 MB in the end (delta: -203.8 MB). Peak memory consumption was 218.8 MB. Max. memory is 8.0 GB. [2021-05-06 11:42:06,318 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 205.5 MB. Free memory is still 188.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 357.83 ms. Allocated memory is still 205.5 MB. Free memory was 170.4 MB in the beginning and 182.0 MB in the end (delta: -11.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 92.71 ms. Allocated memory is still 205.5 MB. Free memory was 182.0 MB in the beginning and 178.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 806.15 ms. Allocated memory is still 205.5 MB. Free memory was 178.3 MB in the beginning and 166.4 MB in the end (delta: 12.0 MB). Peak memory consumption was 46.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6730.21 ms. Allocated memory was 205.5 MB in the beginning and 408.9 MB in the end (delta: 203.4 MB). Free memory was 165.8 MB in the beginning and 369.6 MB in the end (delta: -203.8 MB). Peak memory consumption was 218.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 14 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3077.9ms, OverallIterations: 2, TraceHistogramMax: 2, EmptinessCheckTime: 22.1ms, AutomataDifference: 2105.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 3589.1ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 275 SDtfs, 407 SDslu, 223 SDs, 0 SdLazy, 519 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 857.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1134.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 71.9ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 129 LocationsWithAnnotation, 455 PreInvPairs, 572 NumberOfFragments, 403 HoareAnnotationTreeSize, 455 FomulaSimplifications, 138 FormulaSimplificationTreeSizeReduction, 1350.3ms HoareSimplificationTime, 129 FomulaSimplificationsInter, 11309 FormulaSimplificationTreeSizeReductionInter, 2170.6ms 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: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 406]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 308]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 358]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 420]: Procedure Contract for Id_MCDC_100 Derived contract for procedure Id_MCDC_100: 1 - ProcedureContractResult [Line: 400]: Procedure Contract for Id_MCDC_99 Derived contract for procedure Id_MCDC_99: 1 - ProcedureContractResult [Line: 193]: Procedure Contract for Id_MCDC_89 Derived contract for procedure Id_MCDC_89: 1 - ProcedureContractResult [Line: 331]: Procedure Contract for Id_MCDC_97 Derived contract for procedure Id_MCDC_97: 1 - ProcedureContractResult [Line: 427]: Procedure Contract for main Derived contract for procedure main: 1 - ProcedureContractResult [Line: 280]: Procedure Contract for Id_MCDC_95 Derived contract for procedure Id_MCDC_95: 1 - ProcedureContractResult [Line: 300]: Procedure Contract for Id_MCDC_96 Derived contract for procedure Id_MCDC_96: 1 - ProcedureContractResult [Line: 249]: Procedure Contract for Id_MCDC_92 Derived contract for procedure Id_MCDC_92: 1 - ProcedureContractResult [Line: 9]: Procedure Contract for avoid_zero Derived contract for procedure avoid_zero: 1 - ProcedureContractResult [Line: 459]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: !(Id_MCDC_103 == 0) || \old(Id_MCDC_103) == 0 RESULT: Ultimate proved your program to be correct! Received shutdown request...