./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-patterns/array10_pattern.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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/array-patterns/array10_pattern.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0942a0394519a722254bfe5a1820a904a71ba1b47e3e66c2c8dc2abe6585692f --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-11 22:55:32,178 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-11 22:55:32,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-11 22:55:32,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-11 22:55:32,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-11 22:55:32,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-11 22:55:32,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-11 22:55:32,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-11 22:55:32,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-11 22:55:32,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-11 22:55:32,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-11 22:55:32,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-11 22:55:32,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-11 22:55:32,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-11 22:55:32,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-11 22:55:32,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-11 22:55:32,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-11 22:55:32,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-11 22:55:32,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-11 22:55:32,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-11 22:55:32,234 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-11 22:55:32,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-11 22:55:32,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-11 22:55:32,237 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-11 22:55:32,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-11 22:55:32,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-11 22:55:32,243 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-11 22:55:32,244 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-11 22:55:32,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-11 22:55:32,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-11 22:55:32,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-11 22:55:32,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-11 22:55:32,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-11 22:55:32,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-11 22:55:32,249 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-11 22:55:32,250 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-11 22:55:32,250 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-11 22:55:32,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-11 22:55:32,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-11 22:55:32,251 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-11 22:55:32,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-11 22:55:32,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-11 22:55:32,254 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-11 22:55:32,278 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-11 22:55:32,278 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-11 22:55:32,279 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-11 22:55:32,279 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-11 22:55:32,279 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-11 22:55:32,280 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-11 22:55:32,280 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-11 22:55:32,280 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-11 22:55:32,281 INFO L138 SettingsManager]: * Use SBE=true [2022-07-11 22:55:32,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-11 22:55:32,282 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-11 22:55:32,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-11 22:55:32,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-11 22:55:32,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-11 22:55:32,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-11 22:55:32,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-11 22:55:32,283 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-11 22:55:32,283 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-11 22:55:32,283 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-11 22:55:32,283 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-11 22:55:32,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-11 22:55:32,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-11 22:55:32,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-11 22:55:32,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-11 22:55:32,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-11 22:55:32,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-11 22:55:32,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-11 22:55:32,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-11 22:55:32,285 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-11 22:55:32,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-11 22:55:32,285 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-11 22:55:32,285 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-11 22:55:32,285 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-11 22:55:32,286 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0942a0394519a722254bfe5a1820a904a71ba1b47e3e66c2c8dc2abe6585692f [2022-07-11 22:55:32,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-11 22:55:32,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-11 22:55:32,555 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-11 22:55:32,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-11 22:55:32,556 INFO L275 PluginConnector]: CDTParser initialized [2022-07-11 22:55:32,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-patterns/array10_pattern.c [2022-07-11 22:55:32,620 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804332e8d/7c87b13f4b914debb126dbf898a3201b/FLAG1ff932503 [2022-07-11 22:55:32,990 INFO L306 CDTParser]: Found 1 translation units. [2022-07-11 22:55:32,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array10_pattern.c [2022-07-11 22:55:32,996 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804332e8d/7c87b13f4b914debb126dbf898a3201b/FLAG1ff932503 [2022-07-11 22:55:33,007 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/804332e8d/7c87b13f4b914debb126dbf898a3201b [2022-07-11 22:55:33,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-11 22:55:33,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-11 22:55:33,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-11 22:55:33,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-11 22:55:33,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-11 22:55:33,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3728fc1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33, skipping insertion in model container [2022-07-11 22:55:33,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-11 22:55:33,033 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-11 22:55:33,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2022-07-11 22:55:33,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-11 22:55:33,213 INFO L203 MainTranslator]: Completed pre-run [2022-07-11 22:55:33,226 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-patterns/array10_pattern.c[1326,1339] [2022-07-11 22:55:33,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-11 22:55:33,255 INFO L208 MainTranslator]: Completed translation [2022-07-11 22:55:33,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33 WrapperNode [2022-07-11 22:55:33,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-11 22:55:33,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-11 22:55:33,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-11 22:55:33,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-11 22:55:33,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,302 INFO L137 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 82 [2022-07-11 22:55:33,303 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-11 22:55:33,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-11 22:55:33,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-11 22:55:33,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-11 22:55:33,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,315 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,331 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-11 22:55:33,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-11 22:55:33,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-11 22:55:33,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-11 22:55:33,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (1/1) ... [2022-07-11 22:55:33,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-11 22:55:33,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 22:55:33,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-11 22:55:33,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-11 22:55:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-11 22:55:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-11 22:55:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-11 22:55:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-11 22:55:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-11 22:55:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-11 22:55:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-11 22:55:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-11 22:55:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-11 22:55:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-11 22:55:33,449 INFO L234 CfgBuilder]: Building ICFG [2022-07-11 22:55:33,451 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-11 22:55:33,600 INFO L275 CfgBuilder]: Performing block encoding [2022-07-11 22:55:33,606 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-11 22:55:33,607 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-11 22:55:33,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 10:55:33 BoogieIcfgContainer [2022-07-11 22:55:33,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-11 22:55:33,611 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-11 22:55:33,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-11 22:55:33,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-11 22:55:33,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.07 10:55:33" (1/3) ... [2022-07-11 22:55:33,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bc8ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 10:55:33, skipping insertion in model container [2022-07-11 22:55:33,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.07 10:55:33" (2/3) ... [2022-07-11 22:55:33,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16bc8ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.07 10:55:33, skipping insertion in model container [2022-07-11 22:55:33,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 10:55:33" (3/3) ... [2022-07-11 22:55:33,618 INFO L111 eAbstractionObserver]: Analyzing ICFG array10_pattern.c [2022-07-11 22:55:33,634 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-11 22:55:33,634 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-11 22:55:33,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-11 22:55:33,699 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6d9c509b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7ea2b970 [2022-07-11 22:55:33,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-11 22:55:33,706 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-11 22:55:33,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-07-11 22:55:33,712 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 22:55:33,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 22:55:33,713 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 22:55:33,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 22:55:33,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1199380475, now seen corresponding path program 1 times [2022-07-11 22:55:33,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 22:55:33,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102658853] [2022-07-11 22:55:33,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 22:55:33,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 22:55:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 22:55:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-11 22:55:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 22:55:33,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 22:55:33,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 22:55:33,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102658853] [2022-07-11 22:55:33,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102658853] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 22:55:33,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 22:55:33,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-11 22:55:33,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420092704] [2022-07-11 22:55:33,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 22:55:33,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-11 22:55:33,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 22:55:33,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-11 22:55:33,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-11 22:55:33,909 INFO L87 Difference]: Start difference. First operand has 27 states, 22 states have (on average 1.5) internal successors, (33), 23 states have internal predecessors, (33), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-11 22:55:33,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 22:55:33,926 INFO L93 Difference]: Finished difference Result 51 states and 72 transitions. [2022-07-11 22:55:33,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-11 22:55:33,928 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-07-11 22:55:33,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 22:55:33,933 INFO L225 Difference]: With dead ends: 51 [2022-07-11 22:55:33,934 INFO L226 Difference]: Without dead ends: 23 [2022-07-11 22:55:33,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-11 22:55:33,940 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-11 22:55:33,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-11 22:55:33,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-07-11 22:55:33,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-07-11 22:55:33,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 19 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-11 22:55:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2022-07-11 22:55:33,976 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 15 [2022-07-11 22:55:33,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 22:55:33,976 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2022-07-11 22:55:33,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-11 22:55:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-07-11 22:55:33,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-11 22:55:33,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 22:55:33,980 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 22:55:33,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-11 22:55:33,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 22:55:33,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 22:55:33,981 INFO L85 PathProgramCache]: Analyzing trace with hash 966180883, now seen corresponding path program 1 times [2022-07-11 22:55:33,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 22:55:33,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718471738] [2022-07-11 22:55:33,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 22:55:33,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 22:55:34,021 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-11 22:55:34,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309787402] [2022-07-11 22:55:34,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 22:55:34,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 22:55:34,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 22:55:34,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-11 22:55:34,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-11 22:55:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-11 22:55:34,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-11 22:55:34,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-11 22:55:34,315 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-11 22:55:34,316 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-11 22:55:34,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-11 22:55:34,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718471738] [2022-07-11 22:55:34,317 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-11 22:55:34,318 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309787402] [2022-07-11 22:55:34,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309787402] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-11 22:55:34,321 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-11 22:55:34,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-11 22:55:34,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77102441] [2022-07-11 22:55:34,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-11 22:55:34,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-11 22:55:34,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-11 22:55:34,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-11 22:55:34,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-11 22:55:34,325 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-11 22:55:34,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-11 22:55:34,419 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2022-07-11 22:55:34,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-11 22:55:34,422 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-07-11 22:55:34,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-11 22:55:34,423 INFO L225 Difference]: With dead ends: 48 [2022-07-11 22:55:34,424 INFO L226 Difference]: Without dead ends: 31 [2022-07-11 22:55:34,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-11 22:55:34,426 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 28 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-11 22:55:34,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 56 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-11 22:55:34,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-07-11 22:55:34,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2022-07-11 22:55:34,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 24 states have (on average 1.1666666666666667) internal successors, (28), 24 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-11 22:55:34,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 32 transitions. [2022-07-11 22:55:34,441 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 32 transitions. Word has length 24 [2022-07-11 22:55:34,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-11 22:55:34,442 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 32 transitions. [2022-07-11 22:55:34,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-11 22:55:34,442 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2022-07-11 22:55:34,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-07-11 22:55:34,443 INFO L187 NwaCegarLoop]: Found error trace [2022-07-11 22:55:34,443 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-11 22:55:34,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-11 22:55:34,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 22:55:34,648 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-11 22:55:34,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-11 22:55:34,648 INFO L85 PathProgramCache]: Analyzing trace with hash -760544265, now seen corresponding path program 1 times [2022-07-11 22:55:34,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-11 22:55:34,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659836354] [2022-07-11 22:55:34,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 22:55:34,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-11 22:55:34,698 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-11 22:55:34,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1444376971] [2022-07-11 22:55:34,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-11 22:55:34,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-11 22:55:34,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-11 22:55:34,700 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-11 22:55:34,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-11 22:55:34,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-11 22:55:34,813 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-11 22:55:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-11 22:55:34,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-11 22:55:34,868 INFO L271 BasicCegarLoop]: Counterexample is feasible [2022-07-11 22:55:34,869 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-11 22:55:34,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-11 22:55:35,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-07-11 22:55:35,074 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-07-11 22:55:35,076 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-11 22:55:35,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.07 10:55:35 BoogieIcfgContainer [2022-07-11 22:55:35,116 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-11 22:55:35,116 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-11 22:55:35,116 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-11 22:55:35,116 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-11 22:55:35,118 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.07 10:55:33" (3/4) ... [2022-07-11 22:55:35,119 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-07-11 22:55:35,151 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-11 22:55:35,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-11 22:55:35,152 INFO L158 Benchmark]: Toolchain (without parser) took 2141.45ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 75.1MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-11 22:55:35,153 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 22:55:35,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.08ms. Allocated memory is still 125.8MB. Free memory was 91.7MB in the beginning and 100.1MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-11 22:55:35,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.90ms. Allocated memory is still 125.8MB. Free memory was 100.1MB in the beginning and 98.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-11 22:55:35,154 INFO L158 Benchmark]: Boogie Preprocessor took 32.39ms. Allocated memory is still 125.8MB. Free memory was 98.5MB in the beginning and 97.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-11 22:55:35,154 INFO L158 Benchmark]: RCFGBuilder took 272.71ms. Allocated memory is still 125.8MB. Free memory was 97.0MB in the beginning and 85.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-11 22:55:35,154 INFO L158 Benchmark]: TraceAbstraction took 1504.84ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 77.9MB in the end (delta: 7.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-07-11 22:55:35,155 INFO L158 Benchmark]: Witness Printer took 35.56ms. Allocated memory is still 125.8MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-11 22:55:35,157 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory was 37.3MB in the beginning and 37.2MB in the end (delta: 40.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.08ms. Allocated memory is still 125.8MB. Free memory was 91.7MB in the beginning and 100.1MB in the end (delta: -8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.90ms. Allocated memory is still 125.8MB. Free memory was 100.1MB in the beginning and 98.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.39ms. Allocated memory is still 125.8MB. Free memory was 98.5MB in the beginning and 97.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 272.71ms. Allocated memory is still 125.8MB. Free memory was 97.0MB in the beginning and 85.9MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1504.84ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 77.9MB in the end (delta: 7.5MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Witness Printer took 35.56ms. Allocated memory is still 125.8MB. Free memory was 77.2MB in the beginning and 75.1MB 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 33]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L37] signed long long ARR_SIZE ; VAL [ARR_SIZE=0] [L41] ARR_SIZE = (signed long long)__VERIFIER_nondet_short() [L42] CALL assume_abort_if_not(ARR_SIZE > 0) VAL [\old(cond)=1, ARR_SIZE=1] [L31] COND FALSE !(!cond) VAL [\old(cond)=1, ARR_SIZE=1, cond=1] [L42] RET assume_abort_if_not(ARR_SIZE > 0) VAL [ARR_SIZE=1] [L44] int array1[ARR_SIZE] ; [L45] int array2[ARR_SIZE] ; [L46] int count = 0, num = -1 ; [L47] signed long long sum = 0 ; [L48] int temp ; [L49] signed long long index ; [L51] count=0 VAL [ARR_SIZE=1, array1={5:0}, array2={4:0}, count=0, num=-1, sum=0] [L51] COND TRUE count=0 && index < ARR_SIZE) VAL [\old(cond)=1, ARR_SIZE=1] [L31] COND FALSE !(!cond) VAL [\old(cond)=1, ARR_SIZE=1, cond=1] [L61] RET assume_abort_if_not(index>=0 && index < ARR_SIZE) VAL [ARR_SIZE=1, array1={5:0}, array2={4:0}, count=1, index=0, num=-1, sum=0] [L63] array1[index] = num * (num * (num * (num *index))) VAL [ARR_SIZE=1, array1={5:0}, array2={4:0}, count=1, index=0, num=-1, sum=0] [L64] EXPR (index % 2 != 0) ? (num * index) : array2[index] [L64] EXPR array2[index] [L64] EXPR (index % 2 != 0) ? (num * index) : array2[index] VAL [(index % 2 != 0) ? (num * index) : array2[index]=0, ARR_SIZE=1, array1={5:0}, array2={4:0}, array2[index]=0, count=1, index=0, num=-1, sum=0] [L64] array2[index] = (index % 2 != 0) ? (num * index) : array2[index] [L67] temp = __VERIFIER_nondet_int() [L68] COND TRUE temp == 0 VAL [ARR_SIZE=1, array1={5:0}, array2={4:0}, count=1, index=0, num=-1, sum=0, temp=0] [L71] count=0 VAL [ARR_SIZE=1, array1={5:0}, array2={4:0}, count=0, index=0, num=-1, sum=0, temp=0] [L71] COND TRUE count