./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fcb8e130 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/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-fcb8e13 [2021-11-22 21:47:32,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 21:47:32,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 21:47:32,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 21:47:32,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 21:47:32,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 21:47:32,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 21:47:32,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 21:47:32,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 21:47:32,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 21:47:32,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 21:47:32,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 21:47:32,788 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 21:47:32,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 21:47:32,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 21:47:32,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 21:47:32,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 21:47:32,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 21:47:32,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 21:47:32,800 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 21:47:32,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 21:47:32,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 21:47:32,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 21:47:32,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 21:47:32,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 21:47:32,809 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 21:47:32,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 21:47:32,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 21:47:32,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 21:47:32,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 21:47:32,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 21:47:32,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 21:47:32,812 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 21:47:32,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 21:47:32,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 21:47:32,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 21:47:32,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 21:47:32,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 21:47:32,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 21:47:32,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 21:47:32,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 21:47:32,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-22 21:47:32,835 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 21:47:32,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 21:47:32,836 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 21:47:32,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 21:47:32,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 21:47:32,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 21:47:32,837 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 21:47:32,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 21:47:32,837 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 21:47:32,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 21:47:32,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 21:47:32,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 21:47:32,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 21:47:32,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 21:47:32,839 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 21:47:32,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 21:47:32,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 21:47:32,839 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 21:47:32,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 21:47:32,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 21:47:32,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 21:47:32,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 21:47:32,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 21:47:32,840 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 21:47:32,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 21:47:32,840 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 21:47:32,840 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 21:47:32,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 21:47:32,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 21:47:32,842 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fa8f711706c6827dfd46bfbbe473b8c8a578e07b4d272918901355226a20b94 [2021-11-22 21:47:32,997 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 21:47:33,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 21:47:33,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 21:47:33,022 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 21:47:33,023 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 21:47:33,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-22 21:47:33,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b4cb7ab/dc5873b65c8c435192125f6981253c99/FLAGc6fe713d8 [2021-11-22 21:47:33,608 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 21:47:33,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-22 21:47:33,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b4cb7ab/dc5873b65c8c435192125f6981253c99/FLAGc6fe713d8 [2021-11-22 21:47:34,102 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b4cb7ab/dc5873b65c8c435192125f6981253c99 [2021-11-22 21:47:34,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 21:47:34,104 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 21:47:34,105 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 21:47:34,106 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 21:47:34,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 21:47:34,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:47:34" (1/1) ... [2021-11-22 21:47:34,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ff0aa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:34, skipping insertion in model container [2021-11-22 21:47:34,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:47:34" (1/1) ... [2021-11-22 21:47:34,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 21:47:34,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 21:47:34,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-11-22 21:47:34,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 21:47:34,855 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 21:47:35,013 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i[322047,322060] [2021-11-22 21:47:35,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 21:47:35,079 INFO L208 MainTranslator]: Completed translation [2021-11-22 21:47:35,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35 WrapperNode [2021-11-22 21:47:35,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 21:47:35,081 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 21:47:35,081 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 21:47:35,081 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 21:47:35,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (1/1) ... [2021-11-22 21:47:35,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (1/1) ... [2021-11-22 21:47:35,311 INFO L137 Inliner]: procedures = 101, calls = 3226, calls flagged for inlining = 198, calls inlined = 697, statements flattened = 10141 [2021-11-22 21:47:35,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 21:47:35,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 21:47:35,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 21:47:35,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 21:47:35,318 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (1/1) ... [2021-11-22 21:47:35,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (1/1) ... [2021-11-22 21:47:35,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (1/1) ... [2021-11-22 21:47:35,361 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (1/1) ... [2021-11-22 21:47:35,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (1/1) ... [2021-11-22 21:47:35,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (1/1) ... [2021-11-22 21:47:35,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (1/1) ... [2021-11-22 21:47:35,624 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 21:47:35,625 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 21:47:35,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 21:47:35,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 21:47:35,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (1/1) ... [2021-11-22 21:47:35,632 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 21:47:35,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-22 21:47:35,650 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) [2021-11-22 21:47:35,671 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 [2021-11-22 21:47:35,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-22 21:47:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-22 21:47:35,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-22 21:47:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-22 21:47:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-22 21:47:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-22 21:47:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 21:47:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-22 21:47:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-22 21:47:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-22 21:47:35,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-22 21:47:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-22 21:47:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 21:47:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-22 21:47:35,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 21:47:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 21:47:36,025 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 21:47:36,026 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 21:47:40,194 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 21:47:40,206 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 21:47:40,207 INFO L301 CfgBuilder]: Removed 5 assume(true) statements. [2021-11-22 21:47:40,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:47:40 BoogieIcfgContainer [2021-11-22 21:47:40,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 21:47:40,210 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 21:47:40,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 21:47:40,212 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 21:47:40,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 09:47:34" (1/3) ... [2021-11-22 21:47:40,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a21d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:47:40, skipping insertion in model container [2021-11-22 21:47:40,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:47:35" (2/3) ... [2021-11-22 21:47:40,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37a21d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 09:47:40, skipping insertion in model container [2021-11-22 21:47:40,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:47:40" (3/3) ... [2021-11-22 21:47:40,215 INFO L111 eAbstractionObserver]: Analyzing ICFG m0_sound-oss-opl3-ko--111_1a--42f9f8d-1.i [2021-11-22 21:47:40,218 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 21:47:40,218 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2021-11-22 21:47:40,253 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 21:47:40,258 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-22 21:47:40,258 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-11-22 21:47:40,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 1736 states, 1728 states have (on average 1.3784722222222223) internal successors, (2382), 1735 states have internal predecessors, (2382), 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) [2021-11-22 21:47:40,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 21:47:40,292 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:47:40,293 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 21:47:40,293 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 21:47:40,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:47:40,296 INFO L85 PathProgramCache]: Analyzing trace with hash -46473773, now seen corresponding path program 1 times [2021-11-22 21:47:40,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:47:40,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555740204] [2021-11-22 21:47:40,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:47:40,303 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:47:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 21:47:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 21:47:40,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 21:47:40,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555740204] [2021-11-22 21:47:40,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555740204] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 21:47:40,801 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 21:47:40,801 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 21:47:40,802 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780117393] [2021-11-22 21:47:40,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 21:47:40,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 21:47:40,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 21:47:40,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 21:47:40,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:47:40,858 INFO L87 Difference]: Start difference. First operand has 1736 states, 1728 states have (on average 1.3784722222222223) internal successors, (2382), 1735 states have internal predecessors, (2382), 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 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-22 21:47:41,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 21:47:41,033 INFO L93 Difference]: Finished difference Result 4841 states and 6661 transitions. [2021-11-22 21:47:41,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 21:47:41,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 18 [2021-11-22 21:47:41,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 21:47:41,061 INFO L225 Difference]: With dead ends: 4841 [2021-11-22 21:47:41,061 INFO L226 Difference]: Without dead ends: 3082 [2021-11-22 21:47:41,068 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 21:47:41,071 INFO L933 BasicCegarLoop]: 4268 mSDtfsCounter, 2032 mSDsluCounter, 2230 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2032 SdHoareTripleChecker+Valid, 6498 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 21:47:41,072 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2032 Valid, 6498 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 21:47:41,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3082 states. [2021-11-22 21:47:41,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3082 to 1701. [2021-11-22 21:47:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1701 states, 1700 states have (on average 1.368235294117647) internal successors, (2326), 1700 states have internal predecessors, (2326), 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) [2021-11-22 21:47:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 2326 transitions. [2021-11-22 21:47:41,148 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 2326 transitions. Word has length 18 [2021-11-22 21:47:41,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 21:47:41,149 INFO L470 AbstractCegarLoop]: Abstraction has 1701 states and 2326 transitions. [2021-11-22 21:47:41,149 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2021-11-22 21:47:41,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 2326 transitions. [2021-11-22 21:47:41,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-22 21:47:41,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 21:47:41,156 INFO L514 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] [2021-11-22 21:47:41,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 21:47:41,157 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2021-11-22 21:47:41,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 21:47:41,159 INFO L85 PathProgramCache]: Analyzing trace with hash 165013195, now seen corresponding path program 1 times [2021-11-22 21:47:41,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 21:47:41,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742848633] [2021-11-22 21:47:41,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 21:47:41,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 21:47:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 21:47:41,578 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-22 21:47:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-22 21:47:41,937 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-22 21:47:41,938 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-22 21:47:41,939 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2021-11-22 21:47:41,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2021-11-22 21:47:41,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2021-11-22 21:47:41,944 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2021-11-22 21:47:41,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2021-11-22 21:47:41,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2021-11-22 21:47:41,945 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2021-11-22 21:47:41,946 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 21:47:41,954 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-22 21:47:41,958 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 21:47:42,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 09:47:42 BoogieIcfgContainer [2021-11-22 21:47:42,026 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 21:47:42,026 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 21:47:42,026 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 21:47:42,027 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 21:47:42,027 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:47:40" (3/4) ... [2021-11-22 21:47:42,028 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-22 21:47:42,141 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-11-22 21:47:42,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 21:47:42,143 INFO L158 Benchmark]: Toolchain (without parser) took 8038.48ms. Allocated memory was 96.5MB in the beginning and 482.3MB in the end (delta: 385.9MB). Free memory was 60.1MB in the beginning and 184.9MB in the end (delta: -124.8MB). Peak memory consumption was 261.1MB. Max. memory is 16.1GB. [2021-11-22 21:47:42,143 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 52.8MB in the beginning and 52.7MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 21:47:42,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 975.11ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 59.9MB in the beginning and 58.8MB in the end (delta: 1.1MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2021-11-22 21:47:42,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 230.32ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 58.8MB in the beginning and 90.6MB in the end (delta: -31.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2021-11-22 21:47:42,145 INFO L158 Benchmark]: Boogie Preprocessor took 312.15ms. Allocated memory is still 182.5MB. Free memory was 90.6MB in the beginning and 81.1MB in the end (delta: 9.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2021-11-22 21:47:42,147 INFO L158 Benchmark]: RCFGBuilder took 4583.85ms. Allocated memory was 182.5MB in the beginning and 482.3MB in the end (delta: 299.9MB). Free memory was 81.1MB in the beginning and 311.1MB in the end (delta: -230.0MB). Peak memory consumption was 230.3MB. Max. memory is 16.1GB. [2021-11-22 21:47:42,147 INFO L158 Benchmark]: TraceAbstraction took 1815.75ms. Allocated memory is still 482.3MB. Free memory was 310.0MB in the beginning and 230.6MB in the end (delta: 79.5MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2021-11-22 21:47:42,147 INFO L158 Benchmark]: Witness Printer took 116.31ms. Allocated memory is still 482.3MB. Free memory was 230.6MB in the beginning and 184.9MB in the end (delta: 45.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2021-11-22 21:47:42,149 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 52.8MB in the beginning and 52.7MB in the end (delta: 44.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 975.11ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 59.9MB in the beginning and 58.8MB in the end (delta: 1.1MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 230.32ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 58.8MB in the beginning and 90.6MB in the end (delta: -31.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 312.15ms. Allocated memory is still 182.5MB. Free memory was 90.6MB in the beginning and 81.1MB in the end (delta: 9.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4583.85ms. Allocated memory was 182.5MB in the beginning and 482.3MB in the end (delta: 299.9MB). Free memory was 81.1MB in the beginning and 311.1MB in the end (delta: -230.0MB). Peak memory consumption was 230.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1815.75ms. Allocated memory is still 482.3MB. Free memory was 310.0MB in the beginning and 230.6MB in the end (delta: 79.5MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Witness Printer took 116.31ms. Allocated memory is still 482.3MB. Free memory was 230.6MB in the beginning and 184.9MB in the end (delta: 45.7MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 6170]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L2600-L2618] static struct physical_voice_info pv_map[18U] = { {0U, 2U, 0U, {0U, 3U, 8U, 11U}}, {1U, 2U, 0U, {1U, 4U, 9U, 12U}}, {2U, 2U, 0U, {2U, 5U, 10U, 13U}}, {3U, 2U, 0U, {8U, 11U, 0U, 0U}}, {4U, 2U, 0U, {9U, 12U, 0U, 0U}}, {5U, 2U, 0U, {10U, 13U, 0U, 0U}}, {6U, 2U, 0U, {16U, 19U, 0U, 0U}}, {7U, 2U, 0U, {17U, 20U, 0U, 0U}}, {8U, 2U, 0U, {18U, 21U, 0U, 0U}}, {0U, 2U, 1U, {0U, 3U, 8U, 11U}}, {1U, 2U, 1U, {1U, 4U, 9U, 12U}}, {2U, 2U, 1U, {2U, 5U, 10U, 13U}}, {3U, 2U, 1U, {8U, 11U, 0U, 0U}}, {4U, 2U, 1U, {9U, 12U, 0U, 0U}}, {5U, 2U, 1U, {10U, 13U, 0U, 0U}}, {6U, 2U, 1U, {16U, 19U, 0U, 0U}}, {7U, 2U, 1U, {17U, 20U, 0U, 0U}}, {8U, 2U, 1U, {18U, 21U, 0U, 0U}}}; [L2619] static struct opl_devinfo *devc = 0; [L2620] static int detected_model ; [L2913-L2945] static char fm_volume_table[128U] = { -64, -48, -40, -35, -32, -29, -27, -26, -24, -23, -21, -20, -19, -18, -18, -17, -16, -15, -15, -14, -13, -13, -12, -12, -11, -11, -10, -10, -10, -9, -9, -8, -8, -8, -7, -7, -7, -6, -6, -6, -5, -5, -5, -5, -4, -4, -4, -4, -3, -3, -3, -3, -2, -2, -2, -2, -2, -1, -1, -1, -1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8}; [L3676-L5794] static struct synth_operations opl3_operations = {& __this_module, (char *)"OPL", 0, 0, 0, 0, & opl3_open, & opl3_close, & opl3_ioctl, & opl3_kill_note, & opl3_start_note, & opl3_set_instr, & opl3_reset, & opl3_hw_control, & opl3_load_patch, & opl3_aftertouch, & opl3_controller, & opl3_panning, & opl3_volume_method, & opl3_bender, & opl3_alloc_voice, & opl3_setup_voice, 0, {0, 0, 0, {(unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0, (unsigned short)0}, 0, {0, 0, 0, 0, 0, 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char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0}, 0}; [L5901] static int me ; [L5902] static int io = -1; [L5945] int LDV_IN_INTERRUPT ; VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=0, me=0, opl3_operations={26:0}, pv_map={24:0}] [L5948] int var_opl3_open_12_p0 ; [L5949] int var_opl3_open_12_p1 ; [L5950] int res_opl3_open_12 ; [L5951] int var_opl3_close_13_p0 ; [L5952] int var_opl3_ioctl_1_p0 ; [L5953] unsigned int var_opl3_ioctl_1_p1 ; [L5954] void *var_opl3_ioctl_1_p2 ; [L5955] int var_opl3_kill_note_3_p0 ; [L5956] int var_opl3_kill_note_3_p1 ; [L5957] int var_opl3_kill_note_3_p2 ; [L5958] int var_opl3_kill_note_3_p3 ; [L5959] int var_opl3_start_note_8_p0 ; [L5960] int var_opl3_start_note_8_p1 ; [L5961] int var_opl3_start_note_8_p2 ; [L5962] int var_opl3_start_note_8_p3 ; [L5963] int var_opl3_set_instr_5_p0 ; [L5964] int var_opl3_set_instr_5_p1 ; [L5965] int var_opl3_set_instr_5_p2 ; [L5966] int var_opl3_reset_11_p0 ; [L5967] int var_opl3_hw_control_14_p0 ; [L5968] unsigned char *var_opl3_hw_control_14_p1 ; [L5969] int var_opl3_load_patch_15_p0 ; [L5970] int var_opl3_load_patch_15_p1 ; [L5971] char const *var_opl3_load_patch_15_p2 ; [L5972] int var_opl3_load_patch_15_p3 ; [L5973] int var_opl3_load_patch_15_p4 ; [L5974] int var_opl3_load_patch_15_p5 ; [L5975] int var_opl3_aftertouch_18_p0 ; [L5976] int var_opl3_aftertouch_18_p1 ; [L5977] int var_opl3_aftertouch_18_p2 ; [L5978] int var_opl3_controller_20_p0 ; [L5979] int var_opl3_controller_20_p1 ; [L5980] int var_opl3_controller_20_p2 ; [L5981] int var_opl3_controller_20_p3 ; [L5982] int var_opl3_panning_16_p0 ; [L5983] int var_opl3_panning_16_p1 ; [L5984] int var_opl3_panning_16_p2 ; [L5985] int var_opl3_volume_method_17_p0 ; [L5986] int var_opl3_volume_method_17_p1 ; [L5987] int var_opl3_bender_21_p0 ; [L5988] int var_opl3_bender_21_p1 ; [L5989] int var_opl3_bender_21_p2 ; [L5990] int var_opl3_alloc_voice_22_p0 ; [L5991] int var_opl3_alloc_voice_22_p1 ; [L5992] int var_opl3_alloc_voice_22_p2 ; [L5993] struct voice_alloc_info *var_opl3_alloc_voice_22_p3 ; [L5994] int var_opl3_setup_voice_23_p0 ; [L5995] int var_opl3_setup_voice_23_p1 ; [L5996] int var_opl3_setup_voice_23_p2 ; [L5997] int ldv_s_opl3_operations_synth_operations ; [L5998] int tmp ; [L5999] int tmp___0 ; [L6000] int tmp___1 ; [L6002] ldv_s_opl3_operations_synth_operations = 0 [L6003] LDV_IN_INTERRUPT = 1 [L6004] FCALL ldv_initialize() [L6005] FCALL ldv_handler_precall() [L6006] CALL, EXPR init_opl3() [L5905] int tmp ; [L5908] COND FALSE !(io != -1) VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L5917] return (0); VAL [\result=0, __this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] [L6006] RET, EXPR init_opl3() [L6006] tmp = init_opl3() [L6007] COND FALSE !(tmp != 0) VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0] [L6102] tmp___1 = __VERIFIER_nondet_int() [L6103] COND TRUE tmp___1 != 0 || ldv_s_opl3_operations_synth_operations != 0 VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, ldv_s_opl3_operations_synth_operations=0, me=0, opl3_operations={26:0}, pv_map={24:0}, tmp=0, tmp___1=-22] [L6013] tmp___0 = __VERIFIER_nondet_int() [L6015] case 0: [L6028] case 1: [L6036] case 2: [L6040] case 3: [L6045] case 4: [L6050] case 5: [L6054] case 6: [L6058] case 7: [L6062] case 8: [L6063] FCALL ldv_handler_precall() [L6064-L6065] CALL opl3_load_patch(var_opl3_load_patch_15_p0, var_opl3_load_patch_15_p1, var_opl3_load_patch_15_p2, var_opl3_load_patch_15_p3, var_opl3_load_patch_15_p4, var_opl3_load_patch_15_p5) [L3367] struct sbi_instrument ins ; [L3368] unsigned long tmp ; [L3369] int tmp___0 ; VAL [\old(count)=4294967336, \old(dev)=27670116110564327428, \old(format)=27670116110564327429, \old(offs)=27670116110564327424, \old(pmgr_flag)=27670116110564327426, __this_module={27670116110564327430:27670116110564327425}, addr={27670116110564327427:9223372036854775808}, addr={27670116110564327427:9223372036854775808}, count=4294967336, detected_model=0, dev=27670116110564327428, devc={0:0}, fm_volume_table={25:0}, format=27670116110564327429, ins={131:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, offs=27670116110564327424, opl3_operations={26:0}, pmgr_flag=27670116110564327426, pv_map={24:0}] [L3371] COND FALSE !((unsigned int )count <= 39U) [L3376-L3377] CALL ldv_copy_from_user_7((void *)(& ins) + (unsigned long )offs, (void const *)addr + (unsigned long )offs, 40UL - (unsigned long )offs) [L6158] unsigned long tmp ; [L6160] CALL ldv_check_len((long )n) [L6213] COND FALSE !(n >= 0L) [L6215] CALL ldv_error() [L6170] reach_error() VAL [__this_module={27670116110564327430:27670116110564327425}, detected_model=0, devc={0:0}, fm_volume_table={25:0}, io=-1, LDV_IN_INTERRUPT=1, me=0, opl3_operations={26:0}, pv_map={24:0}] - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 6170]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1736 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2032 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2032 mSDsluCounter, 6498 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2230 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 4268 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1736occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 1381 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 proved your program to be incorrect! [2021-11-22 21:47:42,207 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE