./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/aim-100-2-0-sat-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec 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/xcsp/aim-100-2-0-sat-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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5aa4022967b59a53c60a784165843f96277d486 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 -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/xcsp/aim-100-2-0-sat-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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b5aa4022967b59a53c60a784165843f96277d486 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 12:36:52,388 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 12:36:52,391 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 12:36:52,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 12:36:52,440 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 12:36:52,443 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 12:36:52,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 12:36:52,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 12:36:52,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 12:36:52,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 12:36:52,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 12:36:52,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 12:36:52,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 12:36:52,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 12:36:52,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 12:36:52,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 12:36:52,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 12:36:52,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 12:36:52,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 12:36:52,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 12:36:52,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 12:36:52,481 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 12:36:52,482 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 12:36:52,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 12:36:52,489 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 12:36:52,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 12:36:52,490 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 12:36:52,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 12:36:52,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 12:36:52,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 12:36:52,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 12:36:52,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 12:36:52,495 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 12:36:52,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 12:36:52,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 12:36:52,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 12:36:52,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 12:36:52,498 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 12:36:52,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 12:36:52,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 12:36:52,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 12:36:52,504 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-26 12:36:52,542 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 12:36:52,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 12:36:52,543 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 12:36:52,543 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 12:36:52,545 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 12:36:52,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 12:36:52,546 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 12:36:52,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 12:36:52,546 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 12:36:52,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-26 12:36:52,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 12:36:52,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 12:36:52,548 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 12:36:52,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 12:36:52,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 12:36:52,548 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 12:36:52,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 12:36:52,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 12:36:52,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 12:36:52,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 12:36:52,549 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 12:36:52,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 12:36:52,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 12:36:52,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 12:36:52,550 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 12:36:52,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 12:36:52,551 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-26 12:36:52,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-26 12:36:52,551 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 12:36:52,551 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 12:36:52,552 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5aa4022967b59a53c60a784165843f96277d486 [2021-08-26 12:36:52,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 12:36:52,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 12:36:52,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 12:36:52,901 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 12:36:52,902 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 12:36:52,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-100-2-0-sat-2.c [2021-08-26 12:36:52,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc651814/8fee05b81230464c9431136cea9e405b/FLAG6b86ead49 [2021-08-26 12:36:53,444 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 12:36:53,445 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-2-0-sat-2.c [2021-08-26 12:36:53,452 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc651814/8fee05b81230464c9431136cea9e405b/FLAG6b86ead49 [2021-08-26 12:36:53,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcc651814/8fee05b81230464c9431136cea9e405b [2021-08-26 12:36:53,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 12:36:53,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 12:36:53,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 12:36:53,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 12:36:53,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 12:36:53,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 12:36:53" (1/1) ... [2021-08-26 12:36:53,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d4ccc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:53, skipping insertion in model container [2021-08-26 12:36:53,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 12:36:53" (1/1) ... [2021-08-26 12:36:53,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 12:36:53,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 12:36:54,113 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-2-0-sat-2.c[21308,21321] [2021-08-26 12:36:54,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 12:36:54,138 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 12:36:54,308 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-2-0-sat-2.c[21308,21321] [2021-08-26 12:36:54,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 12:36:54,331 INFO L208 MainTranslator]: Completed translation [2021-08-26 12:36:54,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54 WrapperNode [2021-08-26 12:36:54,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 12:36:54,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 12:36:54,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 12:36:54,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 12:36:54,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (1/1) ... [2021-08-26 12:36:54,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (1/1) ... [2021-08-26 12:36:54,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 12:36:54,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 12:36:54,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 12:36:54,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 12:36:54,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (1/1) ... [2021-08-26 12:36:54,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (1/1) ... [2021-08-26 12:36:54,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (1/1) ... [2021-08-26 12:36:54,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (1/1) ... [2021-08-26 12:36:54,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (1/1) ... [2021-08-26 12:36:54,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (1/1) ... [2021-08-26 12:36:54,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (1/1) ... [2021-08-26 12:36:54,671 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 12:36:54,673 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 12:36:54,673 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 12:36:54,673 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 12:36:54,674 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (1/1) ... [2021-08-26 12:36:54,680 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 12:36:54,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 12:36:54,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 12:36:54,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 12:36:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 12:36:54,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 12:36:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-26 12:36:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 12:36:56,124 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 12:36:56,125 INFO L299 CfgBuilder]: Removed 798 assume(true) statements. [2021-08-26 12:36:56,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:36:56 BoogieIcfgContainer [2021-08-26 12:36:56,128 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 12:36:56,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 12:36:56,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 12:36:56,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 12:36:56,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 12:36:53" (1/3) ... [2021-08-26 12:36:56,133 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ec7ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 12:36:56, skipping insertion in model container [2021-08-26 12:36:56,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:36:54" (2/3) ... [2021-08-26 12:36:56,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18ec7ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 12:36:56, skipping insertion in model container [2021-08-26 12:36:56,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:36:56" (3/3) ... [2021-08-26 12:36:56,135 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-2-0-sat-2.c [2021-08-26 12:36:56,140 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 12:36:56,141 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 12:36:56,193 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 12:36:56,201 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 12:36:56,201 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 12:36:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand has 800 states, 798 states have (on average 1.4987468671679198) internal successors, (1196), 799 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 12:36:56,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2021-08-26 12:36:56,270 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 12:36:56,272 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 12:36:56,272 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 12:36:56,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 12:36:56,277 INFO L82 PathProgramCache]: Analyzing trace with hash 465954165, now seen corresponding path program 1 times [2021-08-26 12:36:56,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 12:36:56,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838152463] [2021-08-26 12:36:56,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 12:36:56,286 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 12:36:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 12:36:56,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 12:36:56,781 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-26 12:36:56,782 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838152463] [2021-08-26 12:36:56,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838152463] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-26 12:36:56,783 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-26 12:36:56,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-26 12:36:56,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30787613] [2021-08-26 12:36:56,798 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 12:36:56,801 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-26 12:36:56,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 12:36:56,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 12:36:56,815 INFO L87 Difference]: Start difference. First operand has 800 states, 798 states have (on average 1.4987468671679198) internal successors, (1196), 799 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 398.0) internal successors, (796), 2 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 12:36:56,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 12:36:56,868 INFO L93 Difference]: Finished difference Result 1594 states and 2386 transitions. [2021-08-26 12:36:56,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 12:36:56,869 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 398.0) internal successors, (796), 2 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 796 [2021-08-26 12:36:56,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 12:36:56,887 INFO L225 Difference]: With dead ends: 1594 [2021-08-26 12:36:56,887 INFO L226 Difference]: Without dead ends: 797 [2021-08-26 12:36:56,894 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 12:36:56,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2021-08-26 12:36:56,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2021-08-26 12:36:56,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 796 states have (on average 1.0) internal successors, (796), 796 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 12:36:56,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 796 transitions. [2021-08-26 12:36:56,974 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 796 transitions. Word has length 796 [2021-08-26 12:36:56,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 12:36:56,976 INFO L470 AbstractCegarLoop]: Abstraction has 797 states and 796 transitions. [2021-08-26 12:36:56,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 398.0) internal successors, (796), 2 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 12:36:56,977 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 796 transitions. [2021-08-26 12:36:56,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2021-08-26 12:36:56,996 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 12:36:56,996 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 12:36:56,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-26 12:36:56,997 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 12:36:57,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 12:36:57,002 INFO L82 PathProgramCache]: Analyzing trace with hash 892598717, now seen corresponding path program 1 times [2021-08-26 12:36:57,002 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-26 12:36:57,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63873134] [2021-08-26 12:36:57,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 12:36:57,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-26 12:36:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 12:36:59,011 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 12:37:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 12:37:00,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-26 12:37:00,886 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 12:37:00,888 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 12:37:00,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-26 12:37:00,895 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 12:37:01,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 12:37:01 BoogieIcfgContainer [2021-08-26 12:37:01,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 12:37:01,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 12:37:01,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 12:37:01,206 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 12:37:01,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:36:56" (3/4) ... [2021-08-26 12:37:01,209 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-08-26 12:37:01,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 12:37:01,211 INFO L168 Benchmark]: Toolchain (without parser) took 7437.57 ms. Allocated memory was 62.9 MB in the beginning and 511.7 MB in the end (delta: 448.8 MB). Free memory was 42.7 MB in the beginning and 388.6 MB in the end (delta: -345.9 MB). Peak memory consumption was 103.7 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:01,211 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 62.9 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 12:37:01,212 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.68 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 42.5 MB in the beginning and 44.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:01,212 INFO L168 Benchmark]: Boogie Procedure Inliner took 210.32 ms. Allocated memory is still 75.5 MB. Free memory was 44.9 MB in the beginning and 49.8 MB in the end (delta: -4.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:01,213 INFO L168 Benchmark]: Boogie Preprocessor took 128.42 ms. Allocated memory is still 75.5 MB. Free memory was 49.8 MB in the beginning and 39.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:01,213 INFO L168 Benchmark]: RCFGBuilder took 1455.41 ms. Allocated memory was 75.5 MB in the beginning and 119.5 MB in the end (delta: 44.0 MB). Free memory was 39.9 MB in the beginning and 80.4 MB in the end (delta: -40.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:01,214 INFO L168 Benchmark]: TraceAbstraction took 5075.42 ms. Allocated memory was 119.5 MB in the beginning and 511.7 MB in the end (delta: 392.2 MB). Free memory was 79.7 MB in the beginning and 389.6 MB in the end (delta: -309.9 MB). Peak memory consumption was 261.9 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:01,215 INFO L168 Benchmark]: Witness Printer took 3.75 ms. Allocated memory is still 511.7 MB. Free memory was 389.6 MB in the beginning and 388.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:01,218 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 62.9 MB. Free memory is still 45.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 556.68 ms. Allocated memory was 62.9 MB in the beginning and 75.5 MB in the end (delta: 12.6 MB). Free memory was 42.5 MB in the beginning and 44.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 22.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 210.32 ms. Allocated memory is still 75.5 MB. Free memory was 44.9 MB in the beginning and 49.8 MB in the end (delta: -4.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 128.42 ms. Allocated memory is still 75.5 MB. Free memory was 49.8 MB in the beginning and 39.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1455.41 ms. Allocated memory was 75.5 MB in the beginning and 119.5 MB in the end (delta: 44.0 MB). Free memory was 39.9 MB in the beginning and 80.4 MB in the end (delta: -40.4 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5075.42 ms. Allocated memory was 119.5 MB in the beginning and 511.7 MB in the end (delta: 392.2 MB). Free memory was 79.7 MB in the beginning and 389.6 MB in the end (delta: -309.9 MB). Peak memory consumption was 261.9 MB. Max. memory is 16.1 GB. * Witness Printer took 3.75 ms. Allocated memory is still 511.7 MB. Free memory was 389.6 MB in the beginning and 388.6 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 628]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 627. Possible FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L79] int var13; [L80] var13 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L87] int var15; [L88] var15 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L91] int var16; [L92] var16 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L95] int var17; [L96] var17 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L99] int var18; [L100] var18 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L103] int var19; [L104] var19 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L107] int var20; [L108] var20 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L111] int var21; [L112] var21 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L115] int var22; [L116] var22 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L119] int var23; [L120] var23 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L123] int var24; [L124] var24 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L127] int var25; [L128] var25 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L131] int var26; [L132] var26 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L135] int var27; [L136] var27 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L139] int var28; [L140] var28 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L143] int var29; [L144] var29 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L147] int var30; [L148] var30 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L151] int var31; [L152] var31 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L155] int var32; [L156] var32 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L159] int var33; [L160] var33 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L163] int var34; [L164] var34 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L167] int var35; [L168] var35 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L171] int var36; [L172] var36 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L175] int var37; [L176] var37 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L179] int var38; [L180] var38 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L183] int var39; [L184] var39 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L187] int var40; [L188] var40 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L191] int var41; [L192] var41 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L195] int var42; [L196] var42 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L199] int var43; [L200] var43 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L203] int var44; [L204] var44 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L207] int var45; [L208] var45 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L211] int var46; [L212] var46 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L215] int var47; [L216] var47 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L219] int var48; [L220] var48 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L223] int var49; [L224] var49 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L227] int var50; [L228] var50 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L231] int var51; [L232] var51 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L235] int var52; [L236] var52 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L239] int var53; [L240] var53 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L243] int var54; [L244] var54 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L247] int var55; [L248] var55 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L251] int var56; [L252] var56 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L255] int var57; [L256] var57 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L259] int var58; [L260] var58 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L263] int var59; [L264] var59 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L267] int var60; [L268] var60 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L271] int var61; [L272] var61 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L275] int var62; [L276] var62 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L279] int var63; [L280] var63 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L283] int var64; [L284] var64 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L287] int var65; [L288] var65 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L291] int var66; [L292] var66 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L295] int var67; [L296] var67 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L299] int var68; [L300] var68 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L303] int var69; [L304] var69 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L307] int var70; [L308] var70 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L311] int var71; [L312] var71 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L315] int var72; [L316] var72 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L319] int var73; [L320] var73 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L323] int var74; [L324] var74 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L327] int var75; [L328] var75 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L331] int var76; [L332] var76 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L335] int var77; [L336] var77 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L339] int var78; [L340] var78 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L343] int var79; [L344] var79 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L347] int var80; [L348] var80 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L351] int var81; [L352] var81 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L355] int var82; [L356] var82 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L359] int var83; [L360] var83 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L363] int var84; [L364] var84 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L367] int var85; [L368] var85 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L371] int var86; [L372] var86 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L375] int var87; [L376] var87 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L379] int var88; [L380] var88 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L383] int var89; [L384] var89 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L387] int var90; [L388] var90 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L391] int var91; [L392] var91 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L395] int var92; [L396] var92 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L399] int var93; [L400] var93 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L403] int var94; [L404] var94 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L407] int var95; [L408] var95 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L411] int var96; [L412] var96 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L415] int var97; [L416] var97 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L419] int var98; [L420] var98 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L423] int var99; [L424] var99 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L427] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L628] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 800 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4700.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 61.1ms, AutomataDifference: 93.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 26.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 796 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=800occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 68.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 81.9ms SsaConstructionTime, 2001.4ms SatisfiabilityAnalysisTime, 361.3ms InterpolantComputationTime, 1592 NumberOfCodeBlocks, 1592 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 795 ConstructedInterpolants, 0 QuantifiedInterpolants, 795 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces [2021-08-26 12:37:01,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-26 12:37:03,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-26 12:37:03,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-26 12:37:03,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-26 12:37:03,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-26 12:37:03,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-26 12:37:03,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-26 12:37:03,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-26 12:37:03,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-26 12:37:03,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-26 12:37:03,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-26 12:37:03,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-26 12:37:03,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-26 12:37:03,103 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-26 12:37:03,104 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-26 12:37:03,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-26 12:37:03,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-26 12:37:03,111 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-26 12:37:03,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-26 12:37:03,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-26 12:37:03,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-26 12:37:03,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-26 12:37:03,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-26 12:37:03,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-26 12:37:03,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-26 12:37:03,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-26 12:37:03,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-26 12:37:03,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-26 12:37:03,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-26 12:37:03,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-26 12:37:03,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-26 12:37:03,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-26 12:37:03,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-26 12:37:03,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-26 12:37:03,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-26 12:37:03,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-26 12:37:03,142 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-26 12:37:03,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-26 12:37:03,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-26 12:37:03,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-26 12:37:03,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-26 12:37:03,149 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-08-26 12:37:03,188 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-26 12:37:03,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-26 12:37:03,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-26 12:37:03,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-26 12:37:03,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-26 12:37:03,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-26 12:37:03,192 INFO L138 SettingsManager]: * Use SBE=true [2021-08-26 12:37:03,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-26 12:37:03,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-26 12:37:03,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-26 12:37:03,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-26 12:37:03,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-26 12:37:03,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-26 12:37:03,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-26 12:37:03,194 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-26 12:37:03,194 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-26 12:37:03,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-26 12:37:03,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-26 12:37:03,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-26 12:37:03,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-26 12:37:03,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-26 12:37:03,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-26 12:37:03,196 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-26 12:37:03,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 12:37:03,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-26 12:37:03,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-26 12:37:03,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-26 12:37:03,197 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-26 12:37:03,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-26 12:37:03,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-26 12:37:03,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-26 12:37:03,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-26 12:37:03,198 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5aa4022967b59a53c60a784165843f96277d486 [2021-08-26 12:37:03,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-26 12:37:03,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-26 12:37:03,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-26 12:37:03,499 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-26 12:37:03,500 INFO L275 PluginConnector]: CDTParser initialized [2021-08-26 12:37:03,501 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-100-2-0-sat-2.c [2021-08-26 12:37:03,558 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc69b76e5/9cc1ae66d04140faa5e73a37b44f67f2/FLAG32facd522 [2021-08-26 12:37:04,026 INFO L306 CDTParser]: Found 1 translation units. [2021-08-26 12:37:04,027 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-2-0-sat-2.c [2021-08-26 12:37:04,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc69b76e5/9cc1ae66d04140faa5e73a37b44f67f2/FLAG32facd522 [2021-08-26 12:37:04,060 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc69b76e5/9cc1ae66d04140faa5e73a37b44f67f2 [2021-08-26 12:37:04,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-26 12:37:04,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-26 12:37:04,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-26 12:37:04,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-26 12:37:04,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-26 12:37:04,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,074 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24cb3907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04, skipping insertion in model container [2021-08-26 12:37:04,074 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-26 12:37:04,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-26 12:37:04,373 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-2-0-sat-2.c[21308,21321] [2021-08-26 12:37:04,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 12:37:04,438 INFO L203 MainTranslator]: Completed pre-run [2021-08-26 12:37:04,503 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-100-2-0-sat-2.c[21308,21321] [2021-08-26 12:37:04,507 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-26 12:37:04,518 INFO L208 MainTranslator]: Completed translation [2021-08-26 12:37:04,518 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04 WrapperNode [2021-08-26 12:37:04,518 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-26 12:37:04,519 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-26 12:37:04,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-26 12:37:04,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-26 12:37:04,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-26 12:37:04,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-26 12:37:04,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-26 12:37:04,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-26 12:37:04,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,797 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-26 12:37:04,830 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-26 12:37:04,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-26 12:37:04,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-26 12:37:04,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (1/1) ... [2021-08-26 12:37:04,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-26 12:37:04,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-26 12:37:04,862 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-26 12:37:04,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-26 12:37:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-26 12:37:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-26 12:37:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-08-26 12:37:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-26 12:37:07,106 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-26 12:37:07,106 INFO L299 CfgBuilder]: Removed 798 assume(true) statements. [2021-08-26 12:37:07,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:37:07 BoogieIcfgContainer [2021-08-26 12:37:07,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-26 12:37:07,110 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-26 12:37:07,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-26 12:37:07,113 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-26 12:37:07,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 12:37:04" (1/3) ... [2021-08-26 12:37:07,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4691a008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 12:37:07, skipping insertion in model container [2021-08-26 12:37:07,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 12:37:04" (2/3) ... [2021-08-26 12:37:07,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4691a008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 12:37:07, skipping insertion in model container [2021-08-26 12:37:07,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:37:07" (3/3) ... [2021-08-26 12:37:07,115 INFO L111 eAbstractionObserver]: Analyzing ICFG aim-100-2-0-sat-2.c [2021-08-26 12:37:07,119 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-26 12:37:07,120 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-26 12:37:07,157 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-26 12:37:07,162 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-08-26 12:37:07,162 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-26 12:37:07,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 800 states, 798 states have (on average 1.4987468671679198) internal successors, (1196), 799 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 12:37:07,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2021-08-26 12:37:07,235 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 12:37:07,237 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 12:37:07,237 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 12:37:07,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 12:37:07,256 INFO L82 PathProgramCache]: Analyzing trace with hash 465954165, now seen corresponding path program 1 times [2021-08-26 12:37:07,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 12:37:07,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1191438196] [2021-08-26 12:37:07,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 12:37:07,279 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 12:37:07,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 12:37:07,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 12:37:07,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-08-26 12:37:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-26 12:37:08,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 1315 conjuncts, 1 conjunts are in the unsatisfiable core [2021-08-26 12:37:08,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-26 12:37:10,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 12:37:10,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-26 12:37:11,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-26 12:37:11,810 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-08-26 12:37:11,810 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1191438196] [2021-08-26 12:37:11,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1191438196] provided 2 perfect and 0 imperfect interpolant sequences [2021-08-26 12:37:11,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-08-26 12:37:11,811 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-08-26 12:37:11,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144531643] [2021-08-26 12:37:11,821 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-26 12:37:11,821 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-08-26 12:37:11,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-26 12:37:11,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 12:37:11,832 INFO L87 Difference]: Start difference. First operand has 800 states, 798 states have (on average 1.4987468671679198) internal successors, (1196), 799 states have internal predecessors, (1196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 398.0) internal successors, (796), 2 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 12:37:11,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-26 12:37:11,876 INFO L93 Difference]: Finished difference Result 1594 states and 2386 transitions. [2021-08-26 12:37:11,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-26 12:37:11,878 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 398.0) internal successors, (796), 2 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 796 [2021-08-26 12:37:11,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-26 12:37:11,892 INFO L225 Difference]: With dead ends: 1594 [2021-08-26 12:37:11,892 INFO L226 Difference]: Without dead ends: 797 [2021-08-26 12:37:11,897 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1590 GetRequests, 1590 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-26 12:37:11,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2021-08-26 12:37:11,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2021-08-26 12:37:11,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 796 states have (on average 1.0) internal successors, (796), 796 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 12:37:11,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 796 transitions. [2021-08-26 12:37:11,956 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 796 transitions. Word has length 796 [2021-08-26 12:37:11,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-26 12:37:11,957 INFO L470 AbstractCegarLoop]: Abstraction has 797 states and 796 transitions. [2021-08-26 12:37:11,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 398.0) internal successors, (796), 2 states have internal predecessors, (796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-26 12:37:11,958 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 796 transitions. [2021-08-26 12:37:11,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 797 [2021-08-26 12:37:11,974 INFO L504 BasicCegarLoop]: Found error trace [2021-08-26 12:37:11,975 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-26 12:37:12,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-08-26 12:37:12,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 12:37:12,185 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-26 12:37:12,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-26 12:37:12,186 INFO L82 PathProgramCache]: Analyzing trace with hash 892598717, now seen corresponding path program 1 times [2021-08-26 12:37:12,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-08-26 12:37:12,189 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [301510465] [2021-08-26 12:37:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-26 12:37:12,189 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-08-26 12:37:12,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-08-26 12:37:12,191 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-08-26 12:37:12,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-08-26 12:37:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 12:37:16,664 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-26 12:37:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-26 12:37:22,404 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-08-26 12:37:22,405 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-26 12:37:22,406 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-26 12:37:22,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-08-26 12:37:22,613 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-08-26 12:37:22,619 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-26 12:37:22,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.08 12:37:22 BoogieIcfgContainer [2021-08-26 12:37:22,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-26 12:37:22,953 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-26 12:37:22,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-26 12:37:22,953 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-26 12:37:22,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 12:37:07" (3/4) ... [2021-08-26 12:37:22,955 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-08-26 12:37:23,152 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-26 12:37:23,152 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-26 12:37:23,154 INFO L168 Benchmark]: Toolchain (without parser) took 19086.49 ms. Allocated memory was 52.4 MB in the beginning and 297.8 MB in the end (delta: 245.4 MB). Free memory was 28.3 MB in the beginning and 112.4 MB in the end (delta: -84.1 MB). Peak memory consumption was 161.8 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:23,154 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.8 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-26 12:37:23,154 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.55 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.1 MB in the beginning and 37.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:23,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 155.01 ms. Allocated memory is still 67.1 MB. Free memory was 36.9 MB in the beginning and 35.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:23,155 INFO L168 Benchmark]: Boogie Preprocessor took 153.54 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 35.6 MB in the beginning and 52.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:23,156 INFO L168 Benchmark]: RCFGBuilder took 2278.60 ms. Allocated memory was 83.9 MB in the beginning and 123.7 MB in the end (delta: 39.8 MB). Free memory was 52.6 MB in the beginning and 70.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 62.8 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:23,156 INFO L168 Benchmark]: TraceAbstraction took 15842.03 ms. Allocated memory was 123.7 MB in the beginning and 297.8 MB in the end (delta: 174.1 MB). Free memory was 70.9 MB in the beginning and 200.6 MB in the end (delta: -129.7 MB). Peak memory consumption was 163.9 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:23,156 INFO L168 Benchmark]: Witness Printer took 199.26 ms. Allocated memory is still 297.8 MB. Free memory was 200.6 MB in the beginning and 112.4 MB in the end (delta: 88.2 MB). Peak memory consumption was 88.1 MB. Max. memory is 16.1 GB. [2021-08-26 12:37:23,158 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.8 MB in the end (delta: 37.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 449.55 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 28.1 MB in the beginning and 37.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 155.01 ms. Allocated memory is still 67.1 MB. Free memory was 36.9 MB in the beginning and 35.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 153.54 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 35.6 MB in the beginning and 52.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2278.60 ms. Allocated memory was 83.9 MB in the beginning and 123.7 MB in the end (delta: 39.8 MB). Free memory was 52.6 MB in the beginning and 70.9 MB in the end (delta: -18.4 MB). Peak memory consumption was 62.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 15842.03 ms. Allocated memory was 123.7 MB in the beginning and 297.8 MB in the end (delta: 174.1 MB). Free memory was 70.9 MB in the beginning and 200.6 MB in the end (delta: -129.7 MB). Peak memory consumption was 163.9 MB. Max. memory is 16.1 GB. * Witness Printer took 199.26 ms. Allocated memory is still 297.8 MB. Free memory was 200.6 MB in the beginning and 112.4 MB in the end (delta: 88.2 MB). Peak memory consumption was 88.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 628]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L24] int cond0; [L25] int dummy = 0; [L26] int N; [L27] int var0; [L28] var0 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L31] int var1; [L32] var1 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L35] int var2; [L36] var2 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L39] int var3; [L40] var3 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L43] int var4; [L44] var4 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L47] int var5; [L48] var5 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L51] int var6; [L52] var6 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L55] int var7; [L56] var7 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L59] int var8; [L60] var8 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L63] int var9; [L64] var9 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L67] int var10; [L68] var10 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L71] int var11; [L72] var11 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L75] int var12; [L76] var12 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L79] int var13; [L80] var13 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L83] int var14; [L84] var14 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L87] int var15; [L88] var15 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L91] int var16; [L92] var16 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L95] int var17; [L96] var17 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L99] int var18; [L100] var18 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L103] int var19; [L104] var19 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L107] int var20; [L108] var20 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L111] int var21; [L112] var21 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L115] int var22; [L116] var22 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L119] int var23; [L120] var23 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L123] int var24; [L124] var24 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L127] int var25; [L128] var25 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L131] int var26; [L132] var26 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L135] int var27; [L136] var27 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L139] int var28; [L140] var28 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L143] int var29; [L144] var29 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L147] int var30; [L148] var30 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L151] int var31; [L152] var31 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L155] int var32; [L156] var32 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L159] int var33; [L160] var33 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L163] int var34; [L164] var34 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L167] int var35; [L168] var35 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L171] int var36; [L172] var36 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L175] int var37; [L176] var37 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L179] int var38; [L180] var38 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L183] int var39; [L184] var39 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L187] int var40; [L188] var40 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L191] int var41; [L192] var41 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L195] int var42; [L196] var42 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L199] int var43; [L200] var43 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L203] int var44; [L204] var44 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L207] int var45; [L208] var45 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L211] int var46; [L212] var46 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L215] int var47; [L216] var47 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L219] int var48; [L220] var48 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L223] int var49; [L224] var49 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L227] int var50; [L228] var50 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L231] int var51; [L232] var51 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L235] int var52; [L236] var52 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L239] int var53; [L240] var53 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L243] int var54; [L244] var54 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L247] int var55; [L248] var55 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L251] int var56; [L252] var56 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L255] int var57; [L256] var57 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L259] int var58; [L260] var58 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L263] int var59; [L264] var59 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L267] int var60; [L268] var60 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L271] int var61; [L272] var61 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L275] int var62; [L276] var62 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L279] int var63; [L280] var63 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L283] int var64; [L284] var64 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L287] int var65; [L288] var65 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L291] int var66; [L292] var66 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L295] int var67; [L296] var67 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L299] int var68; [L300] var68 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L303] int var69; [L304] var69 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L307] int var70; [L308] var70 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L311] int var71; [L312] var71 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L315] int var72; [L316] var72 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L319] int var73; [L320] var73 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L323] int var74; [L324] var74 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L327] int var75; [L328] var75 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L331] int var76; [L332] var76 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L335] int var77; [L336] var77 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L339] int var78; [L340] var78 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L343] int var79; [L344] var79 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L347] int var80; [L348] var80 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L351] int var81; [L352] var81 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L355] int var82; [L356] var82 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L359] int var83; [L360] var83 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L363] int var84; [L364] var84 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L367] int var85; [L368] var85 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L371] int var86; [L372] var86 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L375] int var87; [L376] var87 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L379] int var88; [L380] var88 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L383] int var89; [L384] var89 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L387] int var90; [L388] var90 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L391] int var91; [L392] var91 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L395] int var92; [L396] var92 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L399] int var93; [L400] var93 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L403] int var94; [L404] var94 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L407] int var95; [L408] var95 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L411] int var96; [L412] var96 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L415] int var97; [L416] var97 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L419] int var98; [L420] var98 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L423] int var99; [L424] var99 = __VERIFIER_nondet_int() [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L427] int myvar0 = 1; [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L20] COND FALSE !(!cond) [L628] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 800 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 15461.3ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 63.9ms, AutomataDifference: 75.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 25.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 796 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1590 GetRequests, 1590 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=800occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 48.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 283.0ms SsaConstructionTime, 4281.4ms SatisfiabilityAnalysisTime, 3850.6ms InterpolantComputationTime, 1592 NumberOfCodeBlocks, 1592 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 1590 ConstructedInterpolants, 0 QuantifiedInterpolants, 1590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1315 ConjunctsInSsa, 1 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 incorrect! [2021-08-26 12:37:23,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...