./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-crafted/simple_vardep_2.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/loop-crafted/simple_vardep_2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 928d32f851ae74ea2bd009afe3f26255a9bff77f .............................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/loop-crafted/simple_vardep_2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.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 ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 928d32f851ae74ea2bd009afe3f26255a9bff77f ...................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:14:51,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:14:51,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:14:51,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:14:51,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:14:51,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:14:51,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:14:51,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:14:51,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:14:51,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:14:51,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:14:51,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:14:51,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:14:51,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:14:51,253 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:14:51,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:14:51,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:14:51,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:14:51,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:14:51,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:14:51,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:14:51,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:14:51,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:14:51,266 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:14:51,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:14:51,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:14:51,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:14:51,271 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:14:51,272 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:14:51,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:14:51,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:14:51,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:14:51,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:14:51,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:14:51,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:14:51,285 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:14:51,286 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:14:51,287 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:14:51,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:14:51,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:14:51,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:14:51,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 18:14:51,315 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:14:51,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:14:51,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:14:51,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:14:51,318 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:14:51,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:14:51,318 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:14:51,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 18:14:51,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:14:51,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:14:51,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:14:51,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:14:51,321 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:14:51,322 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:14:51,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:14:51,322 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:14:51,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:14:51,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:14:51,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:14:51,323 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:14:51,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:14:51,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:14:51,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:14:51,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:14:51,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:14:51,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 18:14:51,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 18:14:51,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:14:51,326 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:14:51,326 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 928d32f851ae74ea2bd009afe3f26255a9bff77f [2020-07-28 18:14:51,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:14:51,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:14:51,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:14:51,760 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:14:51,762 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:14:51,763 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-crafted/simple_vardep_2.c [2020-07-28 18:14:51,831 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae1e7bdbd/c48216d3b8ff4115a5a3ef731886c673/FLAGe5f88509d [2020-07-28 18:14:52,270 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:14:52,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-crafted/simple_vardep_2.c [2020-07-28 18:14:52,277 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae1e7bdbd/c48216d3b8ff4115a5a3ef731886c673/FLAGe5f88509d [2020-07-28 18:14:52,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae1e7bdbd/c48216d3b8ff4115a5a3ef731886c673 [2020-07-28 18:14:52,700 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:14:52,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:14:52,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:14:52,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:14:52,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:14:52,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:52,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d1451e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52, skipping insertion in model container [2020-07-28 18:14:52,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:52,723 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:14:52,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:14:52,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:14:52,905 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:14:52,922 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:14:52,937 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:14:52,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52 WrapperNode [2020-07-28 18:14:52,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:14:52,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:14:52,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:14:52,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:14:52,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:52,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:53,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:14:53,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:14:53,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:14:53,026 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:14:53,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:53,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:53,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:53,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:53,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:53,042 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:53,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (1/1) ... [2020-07-28 18:14:53,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:14:53,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:14:53,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:14:53,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:14:53,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (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 [2020-07-28 18:14:53,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:14:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:14:53,304 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:14:53,304 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-28 18:14:53,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:14:53 BoogieIcfgContainer [2020-07-28 18:14:53,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:14:53,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:14:53,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:14:53,313 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:14:53,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:14:52" (1/3) ... [2020-07-28 18:14:53,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ae41d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:14:53, skipping insertion in model container [2020-07-28 18:14:53,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:52" (2/3) ... [2020-07-28 18:14:53,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ae41d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:14:53, skipping insertion in model container [2020-07-28 18:14:53,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:14:53" (3/3) ... [2020-07-28 18:14:53,317 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_vardep_2.c [2020-07-28 18:14:53,329 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:14:53,336 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 18:14:53,352 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 18:14:53,377 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:14:53,378 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:14:53,378 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:14:53,378 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:14:53,378 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:14:53,379 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:14:53,379 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:14:53,379 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:14:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-07-28 18:14:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-28 18:14:53,402 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:14:53,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-28 18:14:53,404 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:14:53,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:14:53,410 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2020-07-28 18:14:53,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 18:14:53,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18020081] [2020-07-28 18:14:53,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 18:14:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:14:53,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 18:14:53,573 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:797) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-28 18:14:53,580 INFO L168 Benchmark]: Toolchain (without parser) took 877.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -100.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:14:53,581 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:14:53,583 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.58 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:14:53,584 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:14:53,585 INFO L168 Benchmark]: Boogie Preprocessor took 18.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:14:53,586 INFO L168 Benchmark]: RCFGBuilder took 264.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:14:53,587 INFO L168 Benchmark]: TraceAbstraction took 267.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2020-07-28 18:14:53,591 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 233.58 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 264.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.8 MB). Peak memory consumption was 17.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 267.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 18:14:55,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 18:14:55,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 18:14:55,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 18:14:55,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 18:14:55,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 18:14:55,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 18:14:55,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 18:14:55,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 18:14:55,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 18:14:55,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 18:14:55,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 18:14:55,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 18:14:55,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 18:14:55,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 18:14:55,643 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 18:14:55,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 18:14:55,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 18:14:55,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 18:14:55,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 18:14:55,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 18:14:55,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 18:14:55,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 18:14:55,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 18:14:55,664 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 18:14:55,664 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 18:14:55,665 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 18:14:55,666 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 18:14:55,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 18:14:55,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 18:14:55,668 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 18:14:55,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 18:14:55,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 18:14:55,671 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 18:14:55,672 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 18:14:55,672 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 18:14:55,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 18:14:55,673 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 18:14:55,673 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 18:14:55,674 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 18:14:55,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 18:14:55,675 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 18:14:55,690 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 18:14:55,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 18:14:55,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 18:14:55,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 18:14:55,692 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 18:14:55,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 18:14:55,693 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 18:14:55,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 18:14:55,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 18:14:55,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 18:14:55,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 18:14:55,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 18:14:55,694 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 18:14:55,695 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 18:14:55,695 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 18:14:55,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 18:14:55,696 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 18:14:55,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 18:14:55,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 18:14:55,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 18:14:55,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 18:14:55,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 18:14:55,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 18:14:55,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 18:14:55,698 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 18:14:55,698 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 18:14:55,698 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 18:14:55,699 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 18:14:55,699 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 18:14:55,699 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 18:14:55,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 18:14:55,700 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 ! call(__VERIFIER_error())) ) 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 928d32f851ae74ea2bd009afe3f26255a9bff77f [2020-07-28 18:14:56,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 18:14:56,016 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 18:14:56,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 18:14:56,022 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 18:14:56,022 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 18:14:56,023 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-crafted/simple_vardep_2.c [2020-07-28 18:14:56,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5d5c50f/3cea9414991b484c9a01a5c44d3288a8/FLAG8c2feb62c [2020-07-28 18:14:56,519 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 18:14:56,520 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-crafted/simple_vardep_2.c [2020-07-28 18:14:56,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5d5c50f/3cea9414991b484c9a01a5c44d3288a8/FLAG8c2feb62c [2020-07-28 18:14:56,857 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca5d5c50f/3cea9414991b484c9a01a5c44d3288a8 [2020-07-28 18:14:56,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 18:14:56,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 18:14:56,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 18:14:56,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 18:14:56,871 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 18:14:56,872 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:14:56" (1/1) ... [2020-07-28 18:14:56,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8f01c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:56, skipping insertion in model container [2020-07-28 18:14:56,875 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 06:14:56" (1/1) ... [2020-07-28 18:14:56,881 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 18:14:56,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 18:14:57,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:14:57,063 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 18:14:57,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 18:14:57,095 INFO L208 MainTranslator]: Completed translation [2020-07-28 18:14:57,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57 WrapperNode [2020-07-28 18:14:57,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 18:14:57,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 18:14:57,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 18:14:57,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 18:14:57,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (1/1) ... [2020-07-28 18:14:57,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (1/1) ... [2020-07-28 18:14:57,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 18:14:57,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 18:14:57,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 18:14:57,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 18:14:57,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (1/1) ... [2020-07-28 18:14:57,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (1/1) ... [2020-07-28 18:14:57,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (1/1) ... [2020-07-28 18:14:57,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (1/1) ... [2020-07-28 18:14:57,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (1/1) ... [2020-07-28 18:14:57,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (1/1) ... [2020-07-28 18:14:57,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (1/1) ... [2020-07-28 18:14:57,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 18:14:57,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 18:14:57,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 18:14:57,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 18:14:57,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (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 [2020-07-28 18:14:57,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 18:14:57,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 18:14:57,449 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 18:14:57,450 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-28 18:14:57,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:14:57 BoogieIcfgContainer [2020-07-28 18:14:57,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 18:14:57,456 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 18:14:57,456 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 18:14:57,458 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 18:14:57,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 06:14:56" (1/3) ... [2020-07-28 18:14:57,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470a3b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:14:57, skipping insertion in model container [2020-07-28 18:14:57,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 06:14:57" (2/3) ... [2020-07-28 18:14:57,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@470a3b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 06:14:57, skipping insertion in model container [2020-07-28 18:14:57,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:14:57" (3/3) ... [2020-07-28 18:14:57,462 INFO L109 eAbstractionObserver]: Analyzing ICFG simple_vardep_2.c [2020-07-28 18:14:57,470 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 18:14:57,475 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 18:14:57,488 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 18:14:57,510 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 18:14:57,510 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 18:14:57,510 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 18:14:57,511 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 18:14:57,511 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 18:14:57,511 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 18:14:57,511 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 18:14:57,512 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 18:14:57,524 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-07-28 18:14:57,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-07-28 18:14:57,530 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 18:14:57,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-07-28 18:14:57,531 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 18:14:57,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 18:14:57,536 INFO L82 PathProgramCache]: Analyzing trace with hash 963340, now seen corresponding path program 1 times [2020-07-28 18:14:57,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 18:14:57,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468027737] [2020-07-28 18:14:57,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 18:14:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:14:57,603 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-28 18:14:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 18:14:57,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 18:14:57,750 INFO L280 TraceCheckUtils]: 0: Hoare triple {11#true} havoc main_#res;havoc main_~i~0, main_~j~0, main_~k~0;main_~i~0 := 0bv32;main_~j~0 := 0bv32;main_~k~0 := 0bv32; {16#(and (= (_ bv0 32) ULTIMATE.start_main_~j~0) (= (_ bv0 32) ULTIMATE.start_main_~i~0) (= (_ bv0 32) ULTIMATE.start_main_~k~0))} is VALID [2020-07-28 18:14:57,753 INFO L280 TraceCheckUtils]: 1: Hoare triple {16#(and (= (_ bv0 32) ULTIMATE.start_main_~j~0) (= (_ bv0 32) ULTIMATE.start_main_~i~0) (= (_ bv0 32) ULTIMATE.start_main_~k~0))} assume !!~bvult32(main_~k~0, 268435455bv32);main_~i~0 := ~bvadd32(1bv32, main_~i~0);main_~j~0 := ~bvadd32(2bv32, main_~j~0);main_~k~0 := ~bvadd32(3bv32, main_~k~0);__VERIFIER_assert_#in~cond := (if main_~k~0 == ~bvmul32(3bv32, main_~i~0) && main_~j~0 == ~bvmul32(2bv32, main_~i~0) then 1bv32 else 0bv32);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {20#(= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} is VALID [2020-07-28 18:14:57,754 INFO L280 TraceCheckUtils]: 2: Hoare triple {20#(= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32))} assume 0bv32 == __VERIFIER_assert_~cond; {12#false} is VALID [2020-07-28 18:14:57,755 INFO L280 TraceCheckUtils]: 3: Hoare triple {12#false} assume !false; {12#false} is VALID [2020-07-28 18:14:57,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:14:57,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 18:14:58,843 INFO L280 TraceCheckUtils]: 3: Hoare triple {12#false} assume !false; {12#false} is VALID [2020-07-28 18:14:58,844 INFO L280 TraceCheckUtils]: 2: Hoare triple {30#(not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))} assume 0bv32 == __VERIFIER_assert_~cond; {12#false} is VALID [2020-07-28 18:14:59,054 INFO L280 TraceCheckUtils]: 1: Hoare triple {34#(and (= ULTIMATE.start_main_~k~0 (bvmul (_ bv3 32) ULTIMATE.start_main_~i~0)) (= (bvmul (_ bv2 32) ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~j~0))} assume !!~bvult32(main_~k~0, 268435455bv32);main_~i~0 := ~bvadd32(1bv32, main_~i~0);main_~j~0 := ~bvadd32(2bv32, main_~j~0);main_~k~0 := ~bvadd32(3bv32, main_~k~0);__VERIFIER_assert_#in~cond := (if main_~k~0 == ~bvmul32(3bv32, main_~i~0) && main_~j~0 == ~bvmul32(2bv32, main_~i~0) then 1bv32 else 0bv32);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; {30#(not (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))} is VALID [2020-07-28 18:14:59,057 INFO L280 TraceCheckUtils]: 0: Hoare triple {11#true} havoc main_#res;havoc main_~i~0, main_~j~0, main_~k~0;main_~i~0 := 0bv32;main_~j~0 := 0bv32;main_~k~0 := 0bv32; {34#(and (= ULTIMATE.start_main_~k~0 (bvmul (_ bv3 32) ULTIMATE.start_main_~i~0)) (= (bvmul (_ bv2 32) ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~j~0))} is VALID [2020-07-28 18:14:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 18:14:59,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468027737] [2020-07-28 18:14:59,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 18:14:59,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2020-07-28 18:14:59,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795920028] [2020-07-28 18:14:59,066 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-07-28 18:14:59,068 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 18:14:59,071 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-28 18:14:59,295 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 7 edges. 7 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:14:59,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-28 18:14:59,295 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 18:14:59,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-28 18:14:59,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-28 18:14:59,305 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 6 states. [2020-07-28 18:15:01,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:15:01,675 INFO L93 Difference]: Finished difference Result 14 states and 20 transitions. [2020-07-28 18:15:01,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-28 18:15:01,676 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 4 [2020-07-28 18:15:01,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 18:15:01,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:15:01,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-28 18:15:01,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 18:15:01,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2020-07-28 18:15:01,684 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 20 transitions. [2020-07-28 18:15:01,977 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 18:15:01,985 INFO L225 Difference]: With dead ends: 14 [2020-07-28 18:15:01,986 INFO L226 Difference]: Without dead ends: 0 [2020-07-28 18:15:01,991 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-07-28 18:15:02,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-28 18:15:02,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-28 18:15:02,016 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 18:15:02,017 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second operand 0 states. [2020-07-28 18:15:02,017 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:15:02,018 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:15:02,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:15:02,019 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:15:02,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:15:02,019 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:15:02,020 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:15:02,020 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second operand 0 states. [2020-07-28 18:15:02,021 INFO L87 Difference]: Start difference. First operand 0 states. Second operand 0 states. [2020-07-28 18:15:02,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 18:15:02,021 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2020-07-28 18:15:02,022 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:15:02,022 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:15:02,022 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 18:15:02,022 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 18:15:02,023 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 18:15:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-28 18:15:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-28 18:15:02,025 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2020-07-28 18:15:02,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 18:15:02,025 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-28 18:15:02,026 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-28 18:15:02,026 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-28 18:15:02,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 18:15:02,239 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 18:15:02,242 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-28 18:15:02,323 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-28 18:15:02,323 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-28 18:15:02,324 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-28 18:15:02,324 INFO L268 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2020-07-28 18:15:02,324 INFO L268 CegarLoopResult]: For program point L13(lines 13 26) no Hoare annotation was computed. [2020-07-28 18:15:02,324 INFO L268 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-07-28 18:15:02,324 INFO L268 CegarLoopResult]: For program point L7(lines 7 9) no Hoare annotation was computed. [2020-07-28 18:15:02,325 INFO L264 CegarLoopResult]: At program point L7-2(lines 5 24) the Hoare annotation is: (or (and (= (_ bv0 32) ULTIMATE.start_main_~j~0) (= (_ bv0 32) ULTIMATE.start_main_~i~0) (= (_ bv0 32) ULTIMATE.start_main_~k~0)) (and (= ULTIMATE.start_main_~k~0 (bvmul (_ bv3 32) ULTIMATE.start_main_~i~0)) (= (bvmul (_ bv2 32) ULTIMATE.start_main_~i~0) ULTIMATE.start_main_~j~0) (= (bvadd ULTIMATE.start___VERIFIER_assert_~cond (_ bv4294967295 32)) (_ bv0 32)))) [2020-07-28 18:15:02,330 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 18:15:02,330 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-28 18:15:02,330 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-28 18:15:02,330 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-28 18:15:02,331 WARN L170 areAnnotationChecker]: L13 has no Hoare annotation [2020-07-28 18:15:02,331 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-28 18:15:02,331 WARN L170 areAnnotationChecker]: L7 has no Hoare annotation [2020-07-28 18:15:02,331 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 18:15:02,332 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-28 18:15:02,332 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-28 18:15:02,332 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 18:15:02,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 06:15:02 BoogieIcfgContainer [2020-07-28 18:15:02,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 18:15:02,352 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 18:15:02,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 18:15:02,353 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 18:15:02,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 06:14:57" (3/4) ... [2020-07-28 18:15:02,357 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-28 18:15:02,368 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-07-28 18:15:02,369 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-28 18:15:02,409 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 18:15:02,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 18:15:02,413 INFO L168 Benchmark]: Toolchain (without parser) took 5548.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 956.2 MB in the beginning and 1.0 GB in the end (delta: -90.5 MB). Peak memory consumption was 42.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:15:02,413 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:15:02,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:15:02,415 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.97 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:15:02,416 INFO L168 Benchmark]: Boogie Preprocessor took 76.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-28 18:15:02,417 INFO L168 Benchmark]: RCFGBuilder took 250.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2020-07-28 18:15:02,418 INFO L168 Benchmark]: TraceAbstraction took 4896.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. [2020-07-28 18:15:02,418 INFO L168 Benchmark]: Witness Printer took 56.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 18:15:02,422 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 227.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.97 ms. Allocated memory is still 1.0 GB. Free memory is still 945.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 250.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.7 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4896.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 65.2 MB). Peak memory consumption was 65.2 MB. Max. memory is 11.5 GB. * Witness Printer took 56.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: ((0bv32 == j && 0bv32 == i) && 0bv32 == k) || ((k == ~bvmul32(3bv32, i) && ~bvmul32(2bv32, i) == j) && ~bvadd64(cond, 4294967295bv32) == 0bv32) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.7s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 SDtfs, 8 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 3 NumberOfFragments, 27 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 5 NumberOfNonLiveVariables, 13 ConjunctsInSsa, 9 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...