/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:55:50,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:55:50,509 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:55:50,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:55:50,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:55:50,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:55:50,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:55:50,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:55:50,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:55:50,585 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:55:50,593 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:55:50,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:55:50,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:55:50,598 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:55:50,600 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:55:50,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:55:50,606 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:55:50,607 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:55:50,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:55:50,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:55:50,625 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:55:50,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:55:50,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:55:50,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:55:50,631 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 13:55:50,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:55:50,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:55:50,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:55:50,642 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:55:50,667 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:55:50,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:55:50,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:55:50,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:55:50,669 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:55:50,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:55:50,670 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:55:50,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:55:50,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:55:50,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:55:50,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:55:50,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:55:50,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:55:50,671 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:55:50,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:55:50,672 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:55:50,672 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:55:50,672 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:55:50,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:55:50,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:55:50,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:55:50,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:55:50,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:55:50,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:55:50,674 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:55:50,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:55:50,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:55:50,674 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:55:50,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:55:51,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:55:51,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:55:51,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:55:51,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:55:51,171 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:55:51,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2021-02-23 13:55:51,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d8145f6/c8601900dbc14758a615b9bba3c1dfb4/FLAG7ad814bbf [2021-02-23 13:55:51,980 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:55:51,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/ofuf_4.c [2021-02-23 13:55:51,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d8145f6/c8601900dbc14758a615b9bba3c1dfb4/FLAG7ad814bbf [2021-02-23 13:55:52,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9d8145f6/c8601900dbc14758a615b9bba3c1dfb4 [2021-02-23 13:55:52,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:55:52,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:55:52,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:55:52,310 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:55:52,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:55:52,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:55:52" (1/1) ... [2021-02-23 13:55:52,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fecbe52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52, skipping insertion in model container [2021-02-23 13:55:52,318 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:55:52" (1/1) ... [2021-02-23 13:55:52,326 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:55:52,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:55:52,639 WARN L226 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] [2021-02-23 13:55:52,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:55:52,654 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:55:52,777 WARN L226 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] [2021-02-23 13:55:52,778 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:55:52,802 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:55:52,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52 WrapperNode [2021-02-23 13:55:52,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:55:52,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:55:52,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:55:52,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:55:52,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52" (1/1) ... [2021-02-23 13:55:52,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52" (1/1) ... [2021-02-23 13:55:52,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52" (1/1) ... [2021-02-23 13:55:52,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52" (1/1) ... [2021-02-23 13:55:52,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52" (1/1) ... [2021-02-23 13:55:52,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52" (1/1) ... [2021-02-23 13:55:52,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52" (1/1) ... [2021-02-23 13:55:52,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:55:52,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:55:52,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:55:52,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:55:52,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52" (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 [2021-02-23 13:55:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:55:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:55:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:55:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-02-23 13:55:52,993 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_zero [2021-02-23 13:55:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_89 [2021-02-23 13:55:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_92 [2021-02-23 13:55:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_95 [2021-02-23 13:55:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_96 [2021-02-23 13:55:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_97 [2021-02-23 13:55:52,994 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_99 [2021-02-23 13:55:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure Id_MCDC_100 [2021-02-23 13:55:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:55:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-23 13:55:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:55:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:55:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:55:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:55:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-02-23 13:55:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_zero [2021-02-23 13:55:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2021-02-23 13:55:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2021-02-23 13:55:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_92 [2021-02-23 13:55:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_95 [2021-02-23 13:55:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_96 [2021-02-23 13:55:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_97 [2021-02-23 13:55:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 13:55:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_99 [2021-02-23 13:55:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_100 [2021-02-23 13:55:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-02-23 13:55:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:55:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-23 13:55:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 13:55:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:55:53,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:55:53,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:55:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:55:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 13:55:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 13:55:53,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:55:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-02-23 13:55:53,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:55:53,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:55:53,919 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-02-23 13:55:53,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:55:53 BoogieIcfgContainer [2021-02-23 13:55:53,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:55:53,923 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:55:53,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:55:53,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:55:53,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:55:52" (1/3) ... [2021-02-23 13:55:53,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182a70d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:55:53, skipping insertion in model container [2021-02-23 13:55:53,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:55:52" (2/3) ... [2021-02-23 13:55:53,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@182a70d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:55:53, skipping insertion in model container [2021-02-23 13:55:53,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:55:53" (3/3) ... [2021-02-23 13:55:53,931 INFO L111 eAbstractionObserver]: Analyzing ICFG ofuf_4.c [2021-02-23 13:55:53,938 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:55:53,943 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:55:53,963 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:55:53,992 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:55:53,992 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:55:53,992 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:55:53,993 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:55:53,993 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:55:53,993 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:55:53,993 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:55:53,993 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:55:54,014 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states. [2021-02-23 13:55:54,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-02-23 13:55:54,025 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:55:54,026 INFO L422 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] [2021-02-23 13:55:54,027 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:55:54,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:55:54,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1832935502, now seen corresponding path program 1 times [2021-02-23 13:55:54,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:55:54,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508475549] [2021-02-23 13:55:54,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:55:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:55:54,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:54,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:54,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:54,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:54,699 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-23 13:55:54,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:55:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:55:54,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:54,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 13:55:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:55:54,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:54,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:54,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 13:55:54,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:55:54,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:54,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:54,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-23 13:55:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:55:54,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:54,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:54,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:54,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:54,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:55:54,858 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508475549] [2021-02-23 13:55:54,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:55:54,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 13:55:54,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574660555] [2021-02-23 13:55:54,868 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 13:55:54,869 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:55:54,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 13:55:54,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 13:55:54,897 INFO L87 Difference]: Start difference. First operand 129 states. Second operand 4 states. [2021-02-23 13:55:55,077 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-02-23 13:55:55,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:55:55,738 INFO L93 Difference]: Finished difference Result 245 states and 367 transitions. [2021-02-23 13:55:55,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-23 13:55:55,740 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2021-02-23 13:55:55,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:55:55,758 INFO L225 Difference]: With dead ends: 245 [2021-02-23 13:55:55,758 INFO L226 Difference]: Without dead ends: 120 [2021-02-23 13:55:55,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:55:55,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2021-02-23 13:55:55,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2021-02-23 13:55:55,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2021-02-23 13:55:55,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 167 transitions. [2021-02-23 13:55:55,865 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 167 transitions. Word has length 43 [2021-02-23 13:55:55,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:55:55,866 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 167 transitions. [2021-02-23 13:55:55,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 13:55:55,867 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 167 transitions. [2021-02-23 13:55:55,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-02-23 13:55:55,877 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:55:55,878 INFO L422 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] [2021-02-23 13:55:55,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:55:55,878 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:55:55,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:55:55,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1781973424, now seen corresponding path program 1 times [2021-02-23 13:55:55,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:55:55,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418842751] [2021-02-23 13:55:55,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:55:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:55:56,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:56,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:56,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:56,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:56,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:56,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:55:56,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:56,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:55:56,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:56,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:56,204 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-23 13:55:56,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:55:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:55:56,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:56,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:56,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-02-23 13:55:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:55:56,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:56,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:56,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 13:55:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:55:56,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:56,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:56,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-02-23 13:55:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:55:56,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:55:56,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:55:56,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:55:56,264 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418842751] [2021-02-23 13:55:56,265 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:55:56,265 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 13:55:56,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476948300] [2021-02-23 13:55:56,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 13:55:56,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:55:56,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 13:55:56,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:55:56,268 INFO L87 Difference]: Start difference. First operand 120 states and 167 transitions. Second operand 7 states. [2021-02-23 13:55:56,440 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-02-23 13:55:57,236 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-02-23 13:55:57,439 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2021-02-23 13:55:57,620 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2021-02-23 13:55:57,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:55:57,830 INFO L93 Difference]: Finished difference Result 148 states and 201 transitions. [2021-02-23 13:55:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 13:55:57,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2021-02-23 13:55:57,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:55:57,834 INFO L225 Difference]: With dead ends: 148 [2021-02-23 13:55:57,834 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 13:55:57,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-02-23 13:55:57,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 13:55:57,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 13:55:57,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 13:55:57,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 13:55:57,837 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2021-02-23 13:55:57,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:55:57,837 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 13:55:57,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 13:55:57,838 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 13:55:57,838 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 13:55:57,838 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:55:57,840 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 13:55:58,378 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-02-23 13:55:58,508 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 16 [2021-02-23 13:55:58,622 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-02-23 13:55:58,729 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-02-23 13:55:58,892 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-02-23 13:55:59,036 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 19 [2021-02-23 13:55:59,357 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 127 [2021-02-23 13:55:59,506 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 1 [2021-02-23 13:55:59,510 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 13:55:59,510 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 13:55:59,510 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 13:55:59,510 INFO L189 CegarLoopUtils]: For program point Id_MCDC_100FINAL(lines 420 426) no Hoare annotation was computed. [2021-02-23 13:55:59,510 INFO L189 CegarLoopUtils]: For program point Id_MCDC_100EXIT(lines 420 426) no Hoare annotation was computed. [2021-02-23 13:55:59,511 INFO L185 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)) [2021-02-23 13:55:59,511 INFO L185 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)) [2021-02-23 13:55:59,511 INFO L189 CegarLoopUtils]: For program point L417(line 417) no Hoare annotation was computed. [2021-02-23 13:55:59,511 INFO L192 CegarLoopUtils]: At program point L405(line 405) the Hoare annotation is: true [2021-02-23 13:55:59,512 INFO L189 CegarLoopUtils]: For program point L405-1(line 405) no Hoare annotation was computed. [2021-02-23 13:55:59,512 INFO L185 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)) [2021-02-23 13:55:59,512 INFO L189 CegarLoopUtils]: For program point Id_MCDC_99EXIT(lines 400 419) no Hoare annotation was computed. [2021-02-23 13:55:59,512 INFO L189 CegarLoopUtils]: For program point L408(line 408) no Hoare annotation was computed. [2021-02-23 13:55:59,512 INFO L189 CegarLoopUtils]: For program point L408-2(lines 408 415) no Hoare annotation was computed. [2021-02-23 13:55:59,512 INFO L189 CegarLoopUtils]: For program point L406-2(lines 406 416) no Hoare annotation was computed. [2021-02-23 13:55:59,513 INFO L192 CegarLoopUtils]: At program point L406-3(lines 406 416) the Hoare annotation is: true [2021-02-23 13:55:59,513 INFO L192 CegarLoopUtils]: At program point L406-4(lines 406 416) the Hoare annotation is: true [2021-02-23 13:55:59,513 INFO L189 CegarLoopUtils]: For program point Id_MCDC_99FINAL(lines 400 419) no Hoare annotation was computed. [2021-02-23 13:55:59,513 INFO L189 CegarLoopUtils]: For program point L221(line 221) no Hoare annotation was computed. [2021-02-23 13:55:59,513 INFO L189 CegarLoopUtils]: For program point L217(line 217) no Hoare annotation was computed. [2021-02-23 13:55:59,513 INFO L189 CegarLoopUtils]: For program point L217-2(line 217) no Hoare annotation was computed. [2021-02-23 13:55:59,513 INFO L192 CegarLoopUtils]: At program point L209(lines 209 225) the Hoare annotation is: true [2021-02-23 13:55:59,514 INFO L192 CegarLoopUtils]: At program point Id_MCDC_89ENTRY(lines 193 248) the Hoare annotation is: true [2021-02-23 13:55:59,514 INFO L189 CegarLoopUtils]: For program point Id_MCDC_89EXIT(lines 193 248) no Hoare annotation was computed. [2021-02-23 13:55:59,514 INFO L189 CegarLoopUtils]: For program point L234(line 234) no Hoare annotation was computed. [2021-02-23 13:55:59,514 INFO L189 CegarLoopUtils]: For program point L234-2(line 234) no Hoare annotation was computed. [2021-02-23 13:55:59,514 INFO L189 CegarLoopUtils]: For program point L234-3(line 234) no Hoare annotation was computed. [2021-02-23 13:55:59,514 INFO L189 CegarLoopUtils]: For program point L234-5(lines 234 246) no Hoare annotation was computed. [2021-02-23 13:55:59,514 INFO L189 CegarLoopUtils]: For program point L226-1(lines 226 233) no Hoare annotation was computed. [2021-02-23 13:55:59,515 INFO L192 CegarLoopUtils]: At program point L226-3(lines 226 233) the Hoare annotation is: true [2021-02-23 13:55:59,515 INFO L189 CegarLoopUtils]: For program point L226-4(lines 226 233) no Hoare annotation was computed. [2021-02-23 13:55:59,515 INFO L189 CegarLoopUtils]: For program point L218(line 218) no Hoare annotation was computed. [2021-02-23 13:55:59,515 INFO L189 CegarLoopUtils]: For program point L214(line 214) no Hoare annotation was computed. [2021-02-23 13:55:59,515 INFO L189 CegarLoopUtils]: For program point L214-2(line 214) no Hoare annotation was computed. [2021-02-23 13:55:59,515 INFO L189 CegarLoopUtils]: For program point L202(lines 202 208) no Hoare annotation was computed. [2021-02-23 13:55:59,515 INFO L189 CegarLoopUtils]: For program point L202-2(lines 202 208) no Hoare annotation was computed. [2021-02-23 13:55:59,515 INFO L189 CegarLoopUtils]: For program point Id_MCDC_89FINAL(lines 193 248) no Hoare annotation was computed. [2021-02-23 13:55:59,516 INFO L189 CegarLoopUtils]: For program point L198(lines 198 201) no Hoare annotation was computed. [2021-02-23 13:55:59,516 INFO L189 CegarLoopUtils]: For program point L223(line 223) no Hoare annotation was computed. [2021-02-23 13:55:59,516 INFO L189 CegarLoopUtils]: For program point L215(line 215) no Hoare annotation was computed. [2021-02-23 13:55:59,516 INFO L189 CegarLoopUtils]: For program point L211(line 211) no Hoare annotation was computed. [2021-02-23 13:55:59,516 INFO L189 CegarLoopUtils]: For program point L211-2(line 211) no Hoare annotation was computed. [2021-02-23 13:55:59,516 INFO L189 CegarLoopUtils]: For program point L236(lines 236 241) no Hoare annotation was computed. [2021-02-23 13:55:59,516 INFO L189 CegarLoopUtils]: For program point L236-1(lines 234 246) no Hoare annotation was computed. [2021-02-23 13:55:59,517 INFO L189 CegarLoopUtils]: For program point L220(line 220) no Hoare annotation was computed. [2021-02-23 13:55:59,517 INFO L189 CegarLoopUtils]: For program point L220-2(line 220) no Hoare annotation was computed. [2021-02-23 13:55:59,517 INFO L189 CegarLoopUtils]: For program point L212(line 212) no Hoare annotation was computed. [2021-02-23 13:55:59,517 INFO L189 CegarLoopUtils]: For program point L204(lines 204 207) no Hoare annotation was computed. [2021-02-23 13:55:59,517 INFO L189 CegarLoopUtils]: For program point L229(lines 229 232) no Hoare annotation was computed. [2021-02-23 13:55:59,517 INFO L185 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)) [2021-02-23 13:55:59,517 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 427 458) no Hoare annotation was computed. [2021-02-23 13:55:59,518 INFO L185 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)) [2021-02-23 13:55:59,518 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 427 458) no Hoare annotation was computed. [2021-02-23 13:55:59,518 INFO L189 CegarLoopUtils]: For program point L452(lines 452 455) no Hoare annotation was computed. [2021-02-23 13:55:59,518 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notENTRY(lines 5 7) no Hoare annotation was computed. [2021-02-23 13:55:59,518 INFO L189 CegarLoopUtils]: For program point L6(line 6) no Hoare annotation was computed. [2021-02-23 13:55:59,518 INFO L189 CegarLoopUtils]: For program point L6-2(lines 5 7) no Hoare annotation was computed. [2021-02-23 13:55:59,518 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 5 7) no Hoare annotation was computed. [2021-02-23 13:55:59,519 INFO L192 CegarLoopUtils]: At program point L378(line 378) the Hoare annotation is: true [2021-02-23 13:55:59,519 INFO L189 CegarLoopUtils]: For program point L378-1(lines 378 381) no Hoare annotation was computed. [2021-02-23 13:55:59,519 INFO L185 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|)) [2021-02-23 13:55:59,519 INFO L189 CegarLoopUtils]: For program point Id_MCDC_97EXIT(lines 331 399) no Hoare annotation was computed. [2021-02-23 13:55:59,519 INFO L189 CegarLoopUtils]: For program point L358-2(lines 358 396) no Hoare annotation was computed. [2021-02-23 13:55:59,519 INFO L192 CegarLoopUtils]: At program point L358-3(lines 358 396) the Hoare annotation is: true [2021-02-23 13:55:59,520 INFO L192 CegarLoopUtils]: At program point L371(line 371) the Hoare annotation is: true [2021-02-23 13:55:59,520 INFO L189 CegarLoopUtils]: For program point L371-1(lines 371 374) no Hoare annotation was computed. [2021-02-23 13:55:59,520 INFO L189 CegarLoopUtils]: For program point Id_MCDC_97FINAL(lines 331 399) no Hoare annotation was computed. [2021-02-23 13:55:59,520 INFO L192 CegarLoopUtils]: At program point L388(line 388) the Hoare annotation is: true [2021-02-23 13:55:59,520 INFO L189 CegarLoopUtils]: For program point L388-1(line 388) no Hoare annotation was computed. [2021-02-23 13:55:59,520 INFO L189 CegarLoopUtils]: For program point L376-2(lines 376 393) no Hoare annotation was computed. [2021-02-23 13:55:59,520 INFO L192 CegarLoopUtils]: At program point L376-3(lines 376 393) the Hoare annotation is: true [2021-02-23 13:55:59,521 INFO L189 CegarLoopUtils]: For program point L376-4(lines 376 393) no Hoare annotation was computed. [2021-02-23 13:55:59,521 INFO L189 CegarLoopUtils]: For program point L389(lines 389 392) no Hoare annotation was computed. [2021-02-23 13:55:59,521 INFO L189 CegarLoopUtils]: For program point L356(lines 356 397) no Hoare annotation was computed. [2021-02-23 13:55:59,521 INFO L189 CegarLoopUtils]: For program point L352-2(lines 352 355) no Hoare annotation was computed. [2021-02-23 13:55:59,521 INFO L192 CegarLoopUtils]: At program point L352-3(lines 352 355) the Hoare annotation is: true [2021-02-23 13:55:59,521 INFO L189 CegarLoopUtils]: For program point L352-4(lines 332 399) no Hoare annotation was computed. [2021-02-23 13:55:59,521 INFO L192 CegarLoopUtils]: At program point L365(line 365) the Hoare annotation is: true [2021-02-23 13:55:59,522 INFO L189 CegarLoopUtils]: For program point L365-1(lines 365 368) no Hoare annotation was computed. [2021-02-23 13:55:59,522 INFO L192 CegarLoopUtils]: At program point L361(line 361) the Hoare annotation is: true [2021-02-23 13:55:59,522 INFO L189 CegarLoopUtils]: For program point L361-1(lines 361 364) no Hoare annotation was computed. [2021-02-23 13:55:59,522 INFO L192 CegarLoopUtils]: At program point Id_MCDC_95ENTRY(lines 280 299) the Hoare annotation is: true [2021-02-23 13:55:59,522 INFO L189 CegarLoopUtils]: For program point Id_MCDC_95EXIT(lines 280 299) no Hoare annotation was computed. [2021-02-23 13:55:59,522 INFO L189 CegarLoopUtils]: For program point L298(line 298) no Hoare annotation was computed. [2021-02-23 13:55:59,522 INFO L192 CegarLoopUtils]: At program point L296(line 296) the Hoare annotation is: true [2021-02-23 13:55:59,523 INFO L185 CegarLoopUtils]: At program point L298-2(line 298) the Hoare annotation is: |Id_MCDC_95_#t~short30| [2021-02-23 13:55:59,523 INFO L189 CegarLoopUtils]: For program point L296-1(line 296) no Hoare annotation was computed. [2021-02-23 13:55:59,523 INFO L189 CegarLoopUtils]: For program point L298-3(line 298) no Hoare annotation was computed. [2021-02-23 13:55:59,523 INFO L192 CegarLoopUtils]: At program point L290(line 290) the Hoare annotation is: true [2021-02-23 13:55:59,523 INFO L189 CegarLoopUtils]: For program point L290-1(line 290) no Hoare annotation was computed. [2021-02-23 13:55:59,523 INFO L189 CegarLoopUtils]: For program point L288(lines 288 295) no Hoare annotation was computed. [2021-02-23 13:55:59,523 INFO L189 CegarLoopUtils]: For program point L288-2(lines 288 295) no Hoare annotation was computed. [2021-02-23 13:55:59,523 INFO L189 CegarLoopUtils]: For program point L284(lines 284 287) no Hoare annotation was computed. [2021-02-23 13:55:59,524 INFO L192 CegarLoopUtils]: At program point L297(line 297) the Hoare annotation is: true [2021-02-23 13:55:59,524 INFO L189 CegarLoopUtils]: For program point L297-1(line 297) no Hoare annotation was computed. [2021-02-23 13:55:59,524 INFO L189 CegarLoopUtils]: For program point Id_MCDC_95FINAL(lines 280 299) no Hoare annotation was computed. [2021-02-23 13:55:59,524 INFO L189 CegarLoopUtils]: For program point L318(lines 318 323) no Hoare annotation was computed. [2021-02-23 13:55:59,524 INFO L189 CegarLoopUtils]: For program point L318-1(lines 316 328) no Hoare annotation was computed. [2021-02-23 13:55:59,524 INFO L189 CegarLoopUtils]: For program point L316(line 316) no Hoare annotation was computed. [2021-02-23 13:55:59,524 INFO L189 CegarLoopUtils]: For program point L316-2(line 316) no Hoare annotation was computed. [2021-02-23 13:55:59,524 INFO L189 CegarLoopUtils]: For program point L316-3(line 316) no Hoare annotation was computed. [2021-02-23 13:55:59,525 INFO L189 CegarLoopUtils]: For program point L316-5(lines 316 328) no Hoare annotation was computed. [2021-02-23 13:55:59,525 INFO L189 CegarLoopUtils]: For program point L308-1(lines 308 315) no Hoare annotation was computed. [2021-02-23 13:55:59,525 INFO L192 CegarLoopUtils]: At program point L308-3(lines 308 315) the Hoare annotation is: true [2021-02-23 13:55:59,525 INFO L189 CegarLoopUtils]: For program point L304(lines 304 307) no Hoare annotation was computed. [2021-02-23 13:55:59,525 INFO L189 CegarLoopUtils]: For program point L308-4(lines 308 315) no Hoare annotation was computed. [2021-02-23 13:55:59,525 INFO L189 CegarLoopUtils]: For program point Id_MCDC_96FINAL(lines 300 330) no Hoare annotation was computed. [2021-02-23 13:55:59,525 INFO L189 CegarLoopUtils]: For program point L311(lines 311 314) no Hoare annotation was computed. [2021-02-23 13:55:59,525 INFO L192 CegarLoopUtils]: At program point Id_MCDC_96ENTRY(lines 300 330) the Hoare annotation is: true [2021-02-23 13:55:59,526 INFO L189 CegarLoopUtils]: For program point Id_MCDC_96EXIT(lines 300 330) no Hoare annotation was computed. [2021-02-23 13:55:59,526 INFO L189 CegarLoopUtils]: For program point L255(lines 255 269) no Hoare annotation was computed. [2021-02-23 13:55:59,526 INFO L192 CegarLoopUtils]: At program point Id_MCDC_92ENTRY(lines 249 279) the Hoare annotation is: true [2021-02-23 13:55:59,526 INFO L189 CegarLoopUtils]: For program point Id_MCDC_92EXIT(lines 249 279) no Hoare annotation was computed. [2021-02-23 13:55:59,526 INFO L192 CegarLoopUtils]: At program point L272(line 272) the Hoare annotation is: true [2021-02-23 13:55:59,526 INFO L189 CegarLoopUtils]: For program point L272-1(line 272) no Hoare annotation was computed. [2021-02-23 13:55:59,526 INFO L189 CegarLoopUtils]: For program point Id_MCDC_92FINAL(lines 249 279) no Hoare annotation was computed. [2021-02-23 13:55:59,526 INFO L189 CegarLoopUtils]: For program point L270-1(lines 250 279) no Hoare annotation was computed. [2021-02-23 13:55:59,527 INFO L189 CegarLoopUtils]: For program point L270-2(lines 270 277) no Hoare annotation was computed. [2021-02-23 13:55:59,527 INFO L189 CegarLoopUtils]: For program point L261(lines 261 269) no Hoare annotation was computed. [2021-02-23 13:55:59,527 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:55:59,527 INFO L185 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)|)) [2021-02-23 13:55:59,527 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:55:59,527 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:55:59,528 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-23 13:55:59,528 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 13:55:59,528 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:55:59,528 INFO L189 CegarLoopUtils]: For program point avoid_zeroEXIT(lines 9 15) no Hoare annotation was computed. [2021-02-23 13:55:59,528 INFO L189 CegarLoopUtils]: For program point L11(lines 11 14) no Hoare annotation was computed. [2021-02-23 13:55:59,528 INFO L189 CegarLoopUtils]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2021-02-23 13:55:59,528 INFO L192 CegarLoopUtils]: At program point avoid_zeroENTRY(lines 9 15) the Hoare annotation is: true [2021-02-23 13:55:59,528 INFO L189 CegarLoopUtils]: For program point L463(line 463) no Hoare annotation was computed. [2021-02-23 13:55:59,529 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 459 466) the Hoare annotation is: true [2021-02-23 13:55:59,529 INFO L189 CegarLoopUtils]: For program point L461(lines 461 464) no Hoare annotation was computed. [2021-02-23 13:55:59,529 INFO L189 CegarLoopUtils]: For program point L461-2(lines 459 466) no Hoare annotation was computed. [2021-02-23 13:55:59,529 INFO L189 CegarLoopUtils]: For program point __VERIFIER_assertEXIT(lines 459 466) no Hoare annotation was computed. [2021-02-23 13:55:59,529 INFO L189 CegarLoopUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 463) no Hoare annotation was computed. [2021-02-23 13:55:59,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:55:59 BoogieIcfgContainer [2021-02-23 13:55:59,541 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:55:59,543 INFO L168 Benchmark]: Toolchain (without parser) took 7256.57 ms. Allocated memory was 156.2 MB in the beginning and 237.0 MB in the end (delta: 80.7 MB). Free memory was 129.8 MB in the beginning and 199.5 MB in the end (delta: -69.7 MB). Peak memory consumption was 135.2 MB. Max. memory is 8.0 GB. [2021-02-23 13:55:59,544 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory was 128.2 MB in the beginning and 128.1 MB in the end (delta: 101.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:55:59,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 493.60 ms. Allocated memory is still 156.2 MB. Free memory was 128.7 MB in the beginning and 111.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2021-02-23 13:55:59,546 INFO L168 Benchmark]: Boogie Preprocessor took 92.43 ms. Allocated memory is still 156.2 MB. Free memory was 111.1 MB in the beginning and 107.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:55:59,547 INFO L168 Benchmark]: RCFGBuilder took 1024.86 ms. Allocated memory is still 156.2 MB. Free memory was 107.4 MB in the beginning and 79.4 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. [2021-02-23 13:55:59,548 INFO L168 Benchmark]: TraceAbstraction took 5618.07 ms. Allocated memory was 156.2 MB in the beginning and 237.0 MB in the end (delta: 80.7 MB). Free memory was 78.9 MB in the beginning and 199.5 MB in the end (delta: -120.6 MB). Peak memory consumption was 84.7 MB. Max. memory is 8.0 GB. [2021-02-23 13:55:59,551 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 156.2 MB. Free memory was 128.2 MB in the beginning and 128.1 MB in the end (delta: 101.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 493.60 ms. Allocated memory is still 156.2 MB. Free memory was 128.7 MB in the beginning and 111.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 92.43 ms. Allocated memory is still 156.2 MB. Free memory was 111.1 MB in the beginning and 107.4 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1024.86 ms. Allocated memory is still 156.2 MB. Free memory was 107.4 MB in the beginning and 79.4 MB in the end (delta: 28.0 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5618.07 ms. Allocated memory was 156.2 MB in the beginning and 237.0 MB in the end (delta: 80.7 MB). Free memory was 78.9 MB in the beginning and 199.5 MB in the end (delta: -120.6 MB). Peak memory consumption was 84.7 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 - 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 136 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 275 SDtfs, 407 SDslu, 223 SDs, 0 SdLazy, 519 SolverSat, 87 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=129occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 34 LocationsWithAnnotation, 83 PreInvPairs, 99 NumberOfFragments, 265 HoareAnnotationTreeSize, 83 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 34 FomulaSimplificationsInter, 2613 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 15624 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...