./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3a877d22 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd.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 89df659116be2bf498dfaa5ae308b9167b1ac7dcc00084a0dcee614d73b273ad --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:57:40,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:57:40,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:57:40,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:57:40,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:57:40,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:57:40,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:57:40,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:57:40,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:57:40,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:57:40,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:57:40,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:57:40,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:57:40,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:57:40,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:57:40,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:57:40,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:57:40,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:57:40,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:57:40,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:57:40,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:57:40,615 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:57:40,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:57:40,617 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:57:40,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:57:40,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:57:40,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:57:40,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:57:40,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:57:40,624 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:57:40,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:57:40,625 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:57:40,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:57:40,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:57:40,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:57:40,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:57:40,629 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:57:40,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:57:40,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:57:40,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:57:40,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:57:40,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:57:40,670 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:57:40,671 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:57:40,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:57:40,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:57:40,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:57:40,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:57:40,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:57:40,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:57:40,673 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:57:40,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:57:40,674 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:57:40,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:57:40,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:57:40,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:57:40,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:57:40,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:57:40,675 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:57:40,675 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:57:40,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:57:40,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:57:40,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:57:40,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:40,676 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:57:40,676 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:57:40,676 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:57:40,676 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:57:40,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:57:40,676 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:57:40,676 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:57:40,677 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:57:40,681 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:57:40,682 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89df659116be2bf498dfaa5ae308b9167b1ac7dcc00084a0dcee614d73b273ad [2021-12-15 12:57:41,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:57:41,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:57:41,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:57:41,104 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:57:41,105 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:57:41,106 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:57:41,158 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2099db73/b9f1f596917f4f80905f6c2ff7d9cdb9/FLAG46f477209 [2021-12-15 12:57:42,214 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:57:42,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:57:42,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2099db73/b9f1f596917f4f80905f6c2ff7d9cdb9/FLAG46f477209 [2021-12-15 12:57:42,581 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2099db73/b9f1f596917f4f80905f6c2ff7d9cdb9 [2021-12-15 12:57:42,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:57:42,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:57:42,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:42,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:57:42,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:57:42,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:42" (1/1) ... [2021-12-15 12:57:42,597 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555ce8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:42, skipping insertion in model container [2021-12-15 12:57:42,597 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:42" (1/1) ... [2021-12-15 12:57:42,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:57:42,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:57:46,205 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/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-12-15 12:57:46,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:46,290 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:57:46,828 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/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-12-15 12:57:46,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:46,970 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:57:46,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46 WrapperNode [2021-12-15 12:57:46,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:46,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:46,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:57:46,973 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:57:46,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (1/1) ... [2021-12-15 12:57:47,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (1/1) ... [2021-12-15 12:57:47,432 INFO L137 Inliner]: procedures = 377, calls = 5019, calls flagged for inlining = 130, calls inlined = 27, statements flattened = 3002 [2021-12-15 12:57:47,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:47,448 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:57:47,448 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:57:47,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:57:47,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (1/1) ... [2021-12-15 12:57:47,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (1/1) ... [2021-12-15 12:57:47,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (1/1) ... [2021-12-15 12:57:47,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (1/1) ... [2021-12-15 12:57:47,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (1/1) ... [2021-12-15 12:57:47,629 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (1/1) ... [2021-12-15 12:57:47,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (1/1) ... [2021-12-15 12:57:47,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:57:47,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:57:47,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:57:47,765 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:57:47,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (1/1) ... [2021-12-15 12:57:47,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:47,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:57:47,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:57:47,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:57:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-15 12:57:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-15 12:57:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-15 12:57:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-15 12:57:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-15 12:57:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-15 12:57:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-15 12:57:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-15 12:57:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:57:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:57:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-15 12:57:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-15 12:57:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2021-12-15 12:57:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2021-12-15 12:57:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-15 12:57:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-15 12:57:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:57:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:57:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-15 12:57:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-15 12:57:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-15 12:57:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:57:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:57:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-15 12:57:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-15 12:57:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:57:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:57:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-15 12:57:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-15 12:57:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:57:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:57:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-15 12:57:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-15 12:57:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:57:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:57:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 12:57:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 12:57:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-15 12:57:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-15 12:57:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-15 12:57:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-15 12:57:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:57:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:57:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-15 12:57:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-15 12:57:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:57:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-15 12:57:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-15 12:57:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:57:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:57:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:57:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-15 12:57:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-15 12:57:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-15 12:57:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-15 12:57:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-15 12:57:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-15 12:57:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-15 12:57:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-15 12:57:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:57:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:57:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:57:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:57:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2021-12-15 12:57:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2021-12-15 12:57:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-15 12:57:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-15 12:57:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:57:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:57:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-15 12:57:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-15 12:57:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-15 12:57:47,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-15 12:57:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:57:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-15 12:57:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-15 12:57:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:57:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:57:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-12-15 12:57:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-12-15 12:57:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-15 12:57:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-15 12:57:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-15 12:57:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-15 12:57:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-15 12:57:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-15 12:57:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-15 12:57:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:57:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-12-15 12:57:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-12-15 12:57:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-15 12:57:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-15 12:57:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:57:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:57:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-15 12:57:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-15 12:57:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:57:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:57:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-12-15 12:57:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-12-15 12:57:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-12-15 12:57:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-12-15 12:57:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:57:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:57:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-15 12:57:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-15 12:57:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2021-12-15 12:57:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2021-12-15 12:57:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-15 12:57:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-15 12:57:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:57:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-15 12:57:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-15 12:57:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 12:57:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 12:57:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:57:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:57:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-12-15 12:57:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-12-15 12:57:48,317 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:57:48,319 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:57:51,385 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:57:51,407 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:57:51,408 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:57:51,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:51 BoogieIcfgContainer [2021-12-15 12:57:51,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:57:51,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:57:51,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:57:51,415 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:57:51,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:57:42" (1/3) ... [2021-12-15 12:57:51,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571c2580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:57:51, skipping insertion in model container [2021-12-15 12:57:51,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:46" (2/3) ... [2021-12-15 12:57:51,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@571c2580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:57:51, skipping insertion in model container [2021-12-15 12:57:51,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:51" (3/3) ... [2021-12-15 12:57:51,417 INFO L111 eAbstractionObserver]: Analyzing ICFG main7_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:57:51,421 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:57:51,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:57:51,469 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:57:51,487 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 [2021-12-15 12:57:51,488 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:57:51,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 894 states, 683 states have (on average 1.5080527086383602) internal successors, (1030), 720 states have internal predecessors, (1030), 157 states have call successors, (157), 52 states have call predecessors, (157), 52 states have return successors, (157), 143 states have call predecessors, (157), 157 states have call successors, (157) [2021-12-15 12:57:51,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 12:57:51,511 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:57:51,511 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:57:51,511 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:57:51,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:57:51,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1239716132, now seen corresponding path program 1 times [2021-12-15 12:57:51,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:57:51,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490390761] [2021-12-15 12:57:51,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:57:51,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:57:51,598 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:57:51,599 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:57:51,603 INFO L158 Benchmark]: Toolchain (without parser) took 9018.24ms. Allocated memory was 90.2MB in the beginning and 402.7MB in the end (delta: 312.5MB). Free memory was 55.7MB in the beginning and 212.4MB in the end (delta: -156.7MB). Peak memory consumption was 155.2MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,603 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 70.8MB in the beginning and 70.8MB in the end (delta: 38.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:57:51,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4386.94ms. Allocated memory was 90.2MB in the beginning and 157.3MB in the end (delta: 67.1MB). Free memory was 55.5MB in the beginning and 54.6MB in the end (delta: 876.1kB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 474.42ms. Allocated memory is still 157.3MB. Free memory was 54.6MB in the beginning and 60.5MB in the end (delta: -5.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,605 INFO L158 Benchmark]: Boogie Preprocessor took 315.13ms. Allocated memory was 157.3MB in the beginning and 241.2MB in the end (delta: 83.9MB). Free memory was 60.5MB in the beginning and 148.0MB in the end (delta: -87.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,605 INFO L158 Benchmark]: RCFGBuilder took 3646.58ms. Allocated memory was 241.2MB in the beginning and 402.7MB in the end (delta: 161.5MB). Free memory was 147.9MB in the beginning and 233.4MB in the end (delta: -85.5MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,605 INFO L158 Benchmark]: TraceAbstraction took 189.66ms. Allocated memory is still 402.7MB. Free memory was 233.4MB in the beginning and 212.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,607 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 90.2MB. Free memory was 70.8MB in the beginning and 70.8MB in the end (delta: 38.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4386.94ms. Allocated memory was 90.2MB in the beginning and 157.3MB in the end (delta: 67.1MB). Free memory was 55.5MB in the beginning and 54.6MB in the end (delta: 876.1kB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 474.42ms. Allocated memory is still 157.3MB. Free memory was 54.6MB in the beginning and 60.5MB in the end (delta: -5.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 315.13ms. Allocated memory was 157.3MB in the beginning and 241.2MB in the end (delta: 83.9MB). Free memory was 60.5MB in the beginning and 148.0MB in the end (delta: -87.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * RCFGBuilder took 3646.58ms. Allocated memory was 241.2MB in the beginning and 402.7MB in the end (delta: 161.5MB). Free memory was 147.9MB in the beginning and 233.4MB in the end (delta: -85.5MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. * TraceAbstraction took 189.66ms. Allocated memory is still 402.7MB. Free memory was 233.4MB in the beginning and 212.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:57:51,659 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 89df659116be2bf498dfaa5ae308b9167b1ac7dcc00084a0dcee614d73b273ad --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:57:54,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:57:54,129 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:57:54,176 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:57:54,177 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:57:54,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:57:54,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:57:54,191 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:57:54,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:57:54,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:57:54,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:57:54,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:57:54,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:57:54,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:57:54,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:57:54,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:57:54,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:57:54,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:57:54,235 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:57:54,242 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:57:54,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:57:54,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:57:54,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:57:54,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:57:54,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:57:54,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:57:54,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:57:54,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:57:54,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:57:54,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:57:54,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:57:54,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:57:54,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:57:54,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:57:54,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:57:54,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:57:54,256 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:57:54,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:57:54,257 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:57:54,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:57:54,257 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:57:54,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:57:54,299 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:57:54,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:57:54,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:57:54,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:57:54,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:57:54,301 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:57:54,303 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:57:54,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:57:54,303 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:57:54,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:57:54,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:57:54,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:57:54,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:57:54,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:57:54,305 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:57:54,305 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:57:54,305 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:57:54,305 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:57:54,305 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:57:54,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:57:54,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:57:54,306 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:57:54,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:57:54,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:54,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:57:54,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:57:54,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:57:54,307 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:57:54,307 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:57:54,308 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:57:54,308 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:57:54,308 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:57:54,308 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:57:54,308 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:57:54,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89df659116be2bf498dfaa5ae308b9167b1ac7dcc00084a0dcee614d73b273ad [2021-12-15 12:57:54,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:57:54,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:57:54,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:57:54,780 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:57:54,781 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:57:54,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:57:54,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf0257a3/86fe1e5d5818440c9aae2be85bd32fa6/FLAGd82f96b91 [2021-12-15 12:57:55,815 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:57:55,815 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:57:55,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf0257a3/86fe1e5d5818440c9aae2be85bd32fa6/FLAGd82f96b91 [2021-12-15 12:57:56,371 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dcf0257a3/86fe1e5d5818440c9aae2be85bd32fa6 [2021-12-15 12:57:56,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:57:56,385 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:57:56,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:56,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:57:56,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:57:56,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:56" (1/1) ... [2021-12-15 12:57:56,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7961a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:56, skipping insertion in model container [2021-12-15 12:57:56,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:56" (1/1) ... [2021-12-15 12:57:56,398 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:57:56,675 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:58:00,557 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/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-12-15 12:58:00,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:58:00,687 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:58:00,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:58:01,207 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/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-12-15 12:58:01,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:58:01,248 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:58:01,578 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/main7_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-12-15 12:58:01,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:58:01,691 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:58:01,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01 WrapperNode [2021-12-15 12:58:01,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:58:01,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:58:01,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:58:01,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:58:01,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (1/1) ... [2021-12-15 12:58:01,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (1/1) ... [2021-12-15 12:58:01,998 INFO L137 Inliner]: procedures = 397, calls = 5011, calls flagged for inlining = 129, calls inlined = 7, statements flattened = 1565 [2021-12-15 12:58:01,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:58:01,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:58:02,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:58:02,000 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:58:02,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (1/1) ... [2021-12-15 12:58:02,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (1/1) ... [2021-12-15 12:58:02,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (1/1) ... [2021-12-15 12:58:02,031 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (1/1) ... [2021-12-15 12:58:02,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (1/1) ... [2021-12-15 12:58:02,158 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (1/1) ... [2021-12-15 12:58:02,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (1/1) ... [2021-12-15 12:58:02,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:58:02,216 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:58:02,216 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:58:02,216 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:58:02,217 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (1/1) ... [2021-12-15 12:58:02,223 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:58:02,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:58:02,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-15 12:58:02,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-15 12:58:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-15 12:58:02,348 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-15 12:58:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-15 12:58:02,352 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-15 12:58:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-15 12:58:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:58:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-15 12:58:02,353 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-15 12:58:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:58:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:58:02,354 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:58:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-15 12:58:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-15 12:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-15 12:58:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-15 12:58:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-12-15 12:58:02,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-12-15 12:58:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-15 12:58:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-15 12:58:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:58:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:58:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-15 12:58:02,356 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-15 12:58:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-15 12:58:02,357 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-15 12:58:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-15 12:58:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-12-15 12:58:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-12-15 12:58:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-15 12:58:02,358 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-15 12:58:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:58:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:58:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:58:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:58:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:58:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2021-12-15 12:58:02,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2021-12-15 12:58:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:58:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:58:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:58:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:58:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:58:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:58:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:58:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:58:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-15 12:58:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-15 12:58:02,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:58:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:58:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-15 12:58:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-15 12:58:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:58:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:58:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-15 12:58:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-15 12:58:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:58:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:58:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-15 12:58:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-15 12:58:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:58:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:58:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-15 12:58:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-15 12:58:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:58:02,368 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:58:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:58:02,368 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:58:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:58:02,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:58:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:58:02,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:58:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:58:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:58:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:58:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-15 12:58:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-15 12:58:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:58:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:58:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-15 12:58:02,371 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-15 12:58:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 12:58:02,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 12:58:02,799 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:58:02,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:58:11,615 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:58:11,630 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:58:11,631 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:58:11,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:11 BoogieIcfgContainer [2021-12-15 12:58:11,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:58:11,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:58:11,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:58:11,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:58:11,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:57:56" (1/3) ... [2021-12-15 12:58:11,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59539862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:58:11, skipping insertion in model container [2021-12-15 12:58:11,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:01" (2/3) ... [2021-12-15 12:58:11,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59539862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:58:11, skipping insertion in model container [2021-12-15 12:58:11,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:11" (3/3) ... [2021-12-15 12:58:11,640 INFO L111 eAbstractionObserver]: Analyzing ICFG main7_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:58:11,644 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:58:11,644 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:58:11,682 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:58:11,687 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 [2021-12-15 12:58:11,688 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:58:11,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 384 states, 296 states have (on average 1.4966216216216217) internal successors, (443), 308 states have internal predecessors, (443), 56 states have call successors, (56), 30 states have call predecessors, (56), 30 states have return successors, (56), 52 states have call predecessors, (56), 56 states have call successors, (56) [2021-12-15 12:58:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 12:58:11,707 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:58:11,708 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:58:11,708 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:58:11,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:58:11,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1934542340, now seen corresponding path program 1 times [2021-12-15 12:58:11,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:58:11,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371782082] [2021-12-15 12:58:11,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:58:11,724 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:58:11,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:58:11,734 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) [2021-12-15 12:58:11,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-15 12:58:11,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:58:12,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:58:12,072 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:58:12,076 INFO L158 Benchmark]: Toolchain (without parser) took 15691.25ms. Allocated memory was 58.7MB in the beginning and 583.0MB in the end (delta: 524.3MB). Free memory was 35.2MB in the beginning and 452.6MB in the end (delta: -417.4MB). Peak memory consumption was 106.7MB. Max. memory is 16.1GB. [2021-12-15 12:58:12,077 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 30.2MB in the beginning and 30.2MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:58:12,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5304.07ms. Allocated memory was 58.7MB in the beginning and 291.5MB in the end (delta: 232.8MB). Free memory was 35.0MB in the beginning and 147.1MB in the end (delta: -112.1MB). Peak memory consumption was 122.8MB. Max. memory is 16.1GB. [2021-12-15 12:58:12,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 305.76ms. Allocated memory is still 291.5MB. Free memory was 147.1MB in the beginning and 196.4MB in the end (delta: -49.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:58:12,078 INFO L158 Benchmark]: Boogie Preprocessor took 214.80ms. Allocated memory is still 291.5MB. Free memory was 196.4MB in the beginning and 181.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:58:12,078 INFO L158 Benchmark]: RCFGBuilder took 9418.64ms. Allocated memory was 291.5MB in the beginning and 583.0MB in the end (delta: 291.5MB). Free memory was 181.7MB in the beginning and 476.7MB in the end (delta: -295.0MB). Peak memory consumption was 211.2MB. Max. memory is 16.1GB. [2021-12-15 12:58:12,079 INFO L158 Benchmark]: TraceAbstraction took 439.55ms. Allocated memory is still 583.0MB. Free memory was 476.7MB in the beginning and 452.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 12:58:12,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 30.2MB in the beginning and 30.2MB in the end (delta: 37.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5304.07ms. Allocated memory was 58.7MB in the beginning and 291.5MB in the end (delta: 232.8MB). Free memory was 35.0MB in the beginning and 147.1MB in the end (delta: -112.1MB). Peak memory consumption was 122.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 305.76ms. Allocated memory is still 291.5MB. Free memory was 147.1MB in the beginning and 196.4MB in the end (delta: -49.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 214.80ms. Allocated memory is still 291.5MB. Free memory was 196.4MB in the beginning and 181.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 9418.64ms. Allocated memory was 291.5MB in the beginning and 583.0MB in the end (delta: 291.5MB). Free memory was 181.7MB in the beginning and 476.7MB in the end (delta: -295.0MB). Peak memory consumption was 211.2MB. Max. memory is 16.1GB. * TraceAbstraction took 439.55ms. Allocated memory is still 583.0MB. Free memory was 476.7MB in the beginning and 452.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:58:12,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable