./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 16:49:10,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 16:49:10,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 16:49:10,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 16:49:10,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 16:49:10,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 16:49:10,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 16:49:10,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 16:49:10,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 16:49:10,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 16:49:10,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 16:49:10,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 16:49:10,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 16:49:10,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 16:49:10,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 16:49:10,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 16:49:10,613 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 16:49:10,614 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 16:49:10,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 16:49:10,622 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 16:49:10,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 16:49:10,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 16:49:10,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 16:49:10,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 16:49:10,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 16:49:10,632 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 16:49:10,633 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 16:49:10,634 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 16:49:10,634 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 16:49:10,635 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 16:49:10,635 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 16:49:10,636 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 16:49:10,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 16:49:10,639 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 16:49:10,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 16:49:10,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 16:49:10,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 16:49:10,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 16:49:10,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 16:49:10,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 16:49:10,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 16:49:10,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-12-15 16:49:10,676 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 16:49:10,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 16:49:10,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 16:49:10,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 16:49:10,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 16:49:10,678 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 16:49:10,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 16:49:10,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 16:49:10,679 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 16:49:10,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 16:49:10,681 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-15 16:49:10,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 16:49:10,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 16:49:10,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 16:49:10,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 16:49:10,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 16:49:10,682 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-15 16:49:10,682 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 16:49:10,682 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 16:49:10,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 16:49:10,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 16:49:10,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 16:49:10,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 16:49:10,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 16:49:10,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 16:49:10,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 16:49:10,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 16:49:10,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 16:49:10,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 16:49:10,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 16:49:10,690 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 16:49:10,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6aa101e89b2723d4f5947187ba488e187ab12407b68aa9902fd202aa577ac822 [2021-12-15 16:49:10,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 16:49:10,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 16:49:10,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 16:49:10,961 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 16:49:10,961 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 16:49:10,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-12-15 16:49:11,035 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33f99d57e/78cd6aeb8756494da3bc5aedca20d1c1/FLAGc0d4f9a83 [2021-12-15 16:49:11,379 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 16:49:11,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Cairo_step2-3.c [2021-12-15 16:49:11,383 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33f99d57e/78cd6aeb8756494da3bc5aedca20d1c1/FLAGc0d4f9a83 [2021-12-15 16:49:11,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33f99d57e/78cd6aeb8756494da3bc5aedca20d1c1 [2021-12-15 16:49:11,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 16:49:11,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 16:49:11,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 16:49:11,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 16:49:11,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 16:49:11,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:11,830 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fccc86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11, skipping insertion in model container [2021-12-15 16:49:11,830 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:11,836 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 16:49:11,848 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 16:49:11,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 16:49:11,941 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 16:49:11,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 16:49:11,961 INFO L208 MainTranslator]: Completed translation [2021-12-15 16:49:11,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11 WrapperNode [2021-12-15 16:49:11,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 16:49:11,971 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 16:49:11,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 16:49:11,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 16:49:11,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:11,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:11,995 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2021-12-15 16:49:11,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 16:49:11,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 16:49:11,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 16:49:11,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 16:49:12,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:12,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:12,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:12,003 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:12,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:12,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:12,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:12,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 16:49:12,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 16:49:12,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 16:49:12,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 16:49:12,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (1/1) ... [2021-12-15 16:49:12,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 16:49:12,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 16:49:12,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 16:49:12,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 16:49:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 16:49:12,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 16:49:12,143 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 16:49:12,145 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 16:49:12,210 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 16:49:12,216 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 16:49:12,216 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-15 16:49:12,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:49:12 BoogieIcfgContainer [2021-12-15 16:49:12,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 16:49:12,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 16:49:12,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 16:49:12,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 16:49:12,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 04:49:11" (1/3) ... [2021-12-15 16:49:12,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bf1867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 04:49:12, skipping insertion in model container [2021-12-15 16:49:12,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 04:49:11" (2/3) ... [2021-12-15 16:49:12,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bf1867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 04:49:12, skipping insertion in model container [2021-12-15 16:49:12,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:49:12" (3/3) ... [2021-12-15 16:49:12,225 INFO L111 eAbstractionObserver]: Analyzing ICFG Cairo_step2-3.c [2021-12-15 16:49:12,229 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 16:49:12,229 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-12-15 16:49:12,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bf1867 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 04:49:12, skipping insertion in model container [2021-12-15 16:49:12,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-15 16:49:12,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-15 16:49:12,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-15 16:49:12,232 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-15 16:49:12,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 04:49:12" (3/3) ... [2021-12-15 16:49:12,235 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-15 16:49:12,242 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-15 16:49:12,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-12-15 16:49:12,243 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-15 16:49:12,272 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-15 16:49:12,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-15 16:49:12,273 INFO L158 Benchmark]: Toolchain (without parser) took 448.39ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 59.3MB in the end (delta: 3.6MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2021-12-15 16:49:12,274 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:49:12,274 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.83ms. Allocated memory is still 96.5MB. Free memory was 62.6MB in the beginning and 72.9MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 16:49:12,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.27ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 71.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:49:12,280 INFO L158 Benchmark]: Boogie Preprocessor took 11.76ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 70.8MB in the end (delta: 905.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:49:12,281 INFO L158 Benchmark]: RCFGBuilder took 209.82ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 62.9MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 16:49:12,281 INFO L158 Benchmark]: TraceAbstraction took 11.59ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 61.5MB in the end (delta: 902.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 16:49:12,282 INFO L158 Benchmark]: Witness Printer took 40.11ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 59.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 16:49:12,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.83ms. Allocated memory is still 96.5MB. Free memory was 62.6MB in the beginning and 72.9MB in the end (delta: -10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.27ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 71.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.76ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 70.8MB in the end (delta: 905.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 209.82ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 62.9MB in the end (delta: 7.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 11.59ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 61.5MB in the end (delta: 902.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 40.11ms. Allocated memory is still 96.5MB. Free memory was 61.5MB in the beginning and 59.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-12-15 16:49:12,324 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE