./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/main8_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/main8_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 cd7a88063c5d9d985797dc5af4fb7d295e8c2e5995d00e39d651744b6900b239 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:57:44,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:57:44,078 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:57:44,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:57:44,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:57:44,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:57:44,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:57:44,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:57:44,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:57:44,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:57:44,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:57:44,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:57:44,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:57:44,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:57:44,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:57:44,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:57:44,166 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:57:44,166 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:57:44,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:57:44,168 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:57:44,169 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:57:44,170 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:57:44,171 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:57:44,172 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:57:44,176 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:57:44,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:57:44,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:57:44,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:57:44,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:57:44,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:57:44,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:57:44,180 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:57:44,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:57:44,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:57:44,182 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:57:44,183 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:57:44,183 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:57:44,183 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:57:44,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:57:44,184 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:57:44,184 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:57:44,185 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:57:44,214 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:57:44,217 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:57:44,217 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:57:44,217 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:57:44,218 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:57:44,218 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:57:44,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:57:44,219 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:57:44,219 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:57:44,219 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:57:44,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:57:44,220 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:57:44,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:57:44,220 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:57:44,220 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:57:44,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:57:44,221 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:57:44,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:57:44,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:57:44,221 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:57:44,221 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:57:44,221 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:44,221 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:57:44,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:57:44,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:57:44,222 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:57:44,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:57:44,222 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:57:44,222 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:57:44,222 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:57:44,223 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:57:44,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd7a88063c5d9d985797dc5af4fb7d295e8c2e5995d00e39d651744b6900b239 [2021-12-15 12:57:44,421 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:57:44,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:57:44,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:57:44,444 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:57:44,445 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:57:44,446 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:57:44,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492997c7e/8170465062cb4feb844ed7622902e665/FLAG9fee9388f [2021-12-15 12:57:45,259 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:57:45,260 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:57:45,310 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492997c7e/8170465062cb4feb844ed7622902e665/FLAG9fee9388f [2021-12-15 12:57:45,799 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/492997c7e/8170465062cb4feb844ed7622902e665 [2021-12-15 12:57:45,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:57:45,802 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:57:45,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:45,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:57:45,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:57:45,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:45" (1/1) ... [2021-12-15 12:57:45,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ce1f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:45, skipping insertion in model container [2021-12-15 12:57:45,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:45" (1/1) ... [2021-12-15 12:57:45,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:57:45,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:57:48,688 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/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-12-15 12:57:48,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:48,883 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:57:49,251 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/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-12-15 12:57:49,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:49,371 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:57:49,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49 WrapperNode [2021-12-15 12:57:49,373 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:49,374 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:49,374 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:57:49,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:57:49,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (1/1) ... [2021-12-15 12:57:49,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (1/1) ... [2021-12-15 12:57:49,593 INFO L137 Inliner]: procedures = 377, calls = 5019, calls flagged for inlining = 130, calls inlined = 3, statements flattened = 1544 [2021-12-15 12:57:49,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:49,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:57:49,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:57:49,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:57:49,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (1/1) ... [2021-12-15 12:57:49,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (1/1) ... [2021-12-15 12:57:49,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (1/1) ... [2021-12-15 12:57:49,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (1/1) ... [2021-12-15 12:57:49,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (1/1) ... [2021-12-15 12:57:49,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (1/1) ... [2021-12-15 12:57:49,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (1/1) ... [2021-12-15 12:57:49,677 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:57:49,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:57:49,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:57:49,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:57:49,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (1/1) ... [2021-12-15 12:57:49,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:49,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:57:49,721 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 12:57:49,728 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 12:57:49,768 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-15 12:57:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-15 12:57:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-15 12:57:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-15 12:57:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:57:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:57:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-15 12:57:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-15 12:57:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:57:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:57:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-15 12:57:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-15 12:57:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-15 12:57:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:57:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:57:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-15 12:57:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-15 12:57:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:57:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:57:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-15 12:57:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-15 12:57:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:57:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:57:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:57:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:57:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 12:57:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 12:57:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-15 12:57:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-15 12:57:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-15 12:57:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-15 12:57:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:57:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:57:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:57:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-15 12:57:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-15 12:57:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:57:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:57:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:57:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-15 12:57:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-15 12:57:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-15 12:57:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-15 12:57:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-15 12:57:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-15 12:57:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:57:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:57:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-15 12:57:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-15 12:57:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:57:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:57:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-15 12:57:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-15 12:57:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-15 12:57:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-15 12:57:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:57:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-15 12:57:49,777 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-15 12:57:49,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:57:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:57:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-15 12:57:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-15 12:57:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-15 12:57:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-15 12:57:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-15 12:57:49,778 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-15 12:57:49,778 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-15 12:57:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:57:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:57:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:57:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-15 12:57:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-15 12:57:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:57:49,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:57:49,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:57:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-15 12:57:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-15 12:57:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 12:57:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 12:57:49,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:57:49,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:57:50,084 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:57:50,085 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:57:51,198 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:57:51,205 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:57:51,205 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:57:51,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:51 BoogieIcfgContainer [2021-12-15 12:57:51,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:57:51,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:57:51,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:57:51,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:57:51,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:57:45" (1/3) ... [2021-12-15 12:57:51,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590e3232 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 12:57:51,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:49" (2/3) ... [2021-12-15 12:57:51,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@590e3232 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 12:57:51,212 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 12:57:51,213 INFO L111 eAbstractionObserver]: Analyzing ICFG main8_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:57:51,216 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:57:51,217 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:57:51,256 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:57:51,262 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 12:57:51,263 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:57:51,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 412 states, 312 states have (on average 1.4743589743589745) internal successors, (460), 320 states have internal predecessors, (460), 65 states have call successors, (65), 33 states have call predecessors, (65), 33 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2021-12-15 12:57:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 12:57:51,291 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:57:51,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:57:51,292 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:57:51,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:57:51,298 INFO L85 PathProgramCache]: Analyzing trace with hash 920155213, now seen corresponding path program 1 times [2021-12-15 12:57:51,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:57:51,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356464031] [2021-12-15 12:57:51,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:57:51,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:57:51,451 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:57:51,452 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 12:57:51,456 INFO L158 Benchmark]: Toolchain (without parser) took 5653.06ms. Allocated memory was 107.0MB in the beginning and 377.5MB in the end (delta: 270.5MB). Free memory was 71.8MB in the beginning and 278.8MB in the end (delta: -207.0MB). Peak memory consumption was 157.2MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,456 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:57:51,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3570.06ms. Allocated memory was 107.0MB in the beginning and 178.3MB in the end (delta: 71.3MB). Free memory was 71.8MB in the beginning and 96.3MB in the end (delta: -24.5MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 219.36ms. Allocated memory is still 178.3MB. Free memory was 96.3MB in the beginning and 76.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,458 INFO L158 Benchmark]: Boogie Preprocessor took 96.91ms. Allocated memory is still 178.3MB. Free memory was 76.5MB in the beginning and 63.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,458 INFO L158 Benchmark]: RCFGBuilder took 1515.10ms. Allocated memory was 178.3MB in the beginning and 268.4MB in the end (delta: 90.2MB). Free memory was 63.7MB in the beginning and 93.5MB in the end (delta: -29.9MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,459 INFO L158 Benchmark]: TraceAbstraction took 246.94ms. Allocated memory was 268.4MB in the beginning and 377.5MB in the end (delta: 109.1MB). Free memory was 92.5MB in the beginning and 278.8MB in the end (delta: -186.3MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2021-12-15 12:57:51,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3570.06ms. Allocated memory was 107.0MB in the beginning and 178.3MB in the end (delta: 71.3MB). Free memory was 71.8MB in the beginning and 96.3MB in the end (delta: -24.5MB). Peak memory consumption was 102.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 219.36ms. Allocated memory is still 178.3MB. Free memory was 96.3MB in the beginning and 76.5MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.91ms. Allocated memory is still 178.3MB. Free memory was 76.5MB in the beginning and 63.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 1515.10ms. Allocated memory was 178.3MB in the beginning and 268.4MB in the end (delta: 90.2MB). Free memory was 63.7MB in the beginning and 93.5MB in the end (delta: -29.9MB). Peak memory consumption was 71.1MB. Max. memory is 16.1GB. * TraceAbstraction took 246.94ms. Allocated memory was 268.4MB in the beginning and 377.5MB in the end (delta: 109.1MB). Free memory was 92.5MB in the beginning and 278.8MB in the end (delta: -186.3MB). Peak memory consumption was 15.0MB. 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 12:57:51,509 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/main8_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 cd7a88063c5d9d985797dc5af4fb7d295e8c2e5995d00e39d651744b6900b239 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:57:53,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:57:53,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:57:53,462 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:57:53,463 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:57:53,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:57:53,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:57:53,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:57:53,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:57:53,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:57:53,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:57:53,473 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:57:53,474 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:57:53,474 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:57:53,475 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:57:53,478 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:57:53,479 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:57:53,480 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:57:53,482 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:57:53,486 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:57:53,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:57:53,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:57:53,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:57:53,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:57:53,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:57:53,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:57:53,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:57:53,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:57:53,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:57:53,498 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:57:53,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:57:53,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:57:53,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:57:53,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:57:53,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:57:53,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:57:53,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:57:53,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:57:53,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:57:53,503 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:57:53,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:57:53,505 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:57:53,528 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:57:53,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:57:53,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:57:53,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:57:53,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:57:53,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:57:53,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:57:53,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:57:53,532 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:57:53,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:57:53,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:57:53,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:57:53,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:57:53,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:57:53,533 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:57:53,533 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:57:53,533 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:57:53,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:57:53,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:57:53,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:57:53,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:57:53,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:57:53,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:57:53,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:53,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:57:53,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:57:53,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:57:53,542 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:57:53,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:57:53,543 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:57:53,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:57:53,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:57:53,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:57:53,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:57:53,543 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd7a88063c5d9d985797dc5af4fb7d295e8c2e5995d00e39d651744b6900b239 [2021-12-15 12:57:53,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:57:53,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:57:53,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:57:53,884 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:57:53,884 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:57:53,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:57:53,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3e7e174/a219f83a40df4d86a4e164969b02f26d/FLAG83a469abb [2021-12-15 12:57:54,752 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:57:54,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:57:54,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3e7e174/a219f83a40df4d86a4e164969b02f26d/FLAG83a469abb [2021-12-15 12:57:54,967 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3e7e174/a219f83a40df4d86a4e164969b02f26d [2021-12-15 12:57:54,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:57:54,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:57:54,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:54,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:57:54,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:57:54,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:54" (1/1) ... [2021-12-15 12:57:54,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dda9f46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:54, skipping insertion in model container [2021-12-15 12:57:54,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:54" (1/1) ... [2021-12-15 12:57:54,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:57:55,096 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:57:57,192 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/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-12-15 12:57:57,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:57,313 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:57:57,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:57:57,723 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/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-12-15 12:57:57,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:57,756 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:57:58,241 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/main8_sound-oss-sound-ko--32_7a--c4cb1dd.i[376831,376844] [2021-12-15 12:57:58,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:58,387 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:57:58,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58 WrapperNode [2021-12-15 12:57:58,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:58,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:58,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:57:58,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:57:58,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (1/1) ... [2021-12-15 12:57:58,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (1/1) ... [2021-12-15 12:57:58,636 INFO L137 Inliner]: procedures = 397, calls = 5011, calls flagged for inlining = 129, calls inlined = 4, statements flattened = 1548 [2021-12-15 12:57:58,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:58,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:57:58,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:57:58,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:57:58,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (1/1) ... [2021-12-15 12:57:58,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (1/1) ... [2021-12-15 12:57:58,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (1/1) ... [2021-12-15 12:57:58,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (1/1) ... [2021-12-15 12:57:58,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (1/1) ... [2021-12-15 12:57:58,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (1/1) ... [2021-12-15 12:57:58,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (1/1) ... [2021-12-15 12:57:58,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:57:58,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:57:58,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:57:58,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:57:58,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (1/1) ... [2021-12-15 12:57:58,780 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:58,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:57:58,857 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 12:57:58,884 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 12:57:58,910 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-15 12:57:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:57:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:57:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-15 12:57:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-15 12:57:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:57:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:57:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:57:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:57:58,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:57:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:57:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:57:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:57:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:57:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-15 12:57:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-15 12:57:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-12-15 12:57:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-12-15 12:57:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-15 12:57:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-15 12:57:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:57:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:57:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-15 12:57:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-15 12:57:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-15 12:57:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-15 12:57:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-15 12:57:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-12-15 12:57:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-12-15 12:57:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:57:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:57:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:57:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:57:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:57:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:57:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:57:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:57:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:57:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:57:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:57:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:57:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:57:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-15 12:57:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-15 12:57:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:57:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:57:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-15 12:57:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-15 12:57:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:57:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:57:58,917 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-15 12:57:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-15 12:57:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:57:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:57:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 12:57:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 12:57:58,918 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-15 12:57:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-15 12:57:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:57:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:57:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-15 12:57:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-15 12:57:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:57:58,919 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:57:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:57:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-15 12:57:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-15 12:57:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:58,920 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-15 12:57:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-15 12:57:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:57:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:57:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-15 12:57:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-15 12:57:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:57:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:57:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:57:58,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:57:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-15 12:57:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-15 12:57:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:57:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:57:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-15 12:57:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-15 12:57:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 12:57:58,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 12:57:59,240 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:57:59,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:58:06,971 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:58:06,982 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:58:06,984 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:58:07,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:07 BoogieIcfgContainer [2021-12-15 12:58:07,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:58:07,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:58:07,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:58:07,006 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:58:07,006 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:57:54" (1/3) ... [2021-12-15 12:58:07,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a69522c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:58:07, skipping insertion in model container [2021-12-15 12:58:07,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:58" (2/3) ... [2021-12-15 12:58:07,007 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a69522c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:58:07, skipping insertion in model container [2021-12-15 12:58:07,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:07" (3/3) ... [2021-12-15 12:58:07,008 INFO L111 eAbstractionObserver]: Analyzing ICFG main8_sound-oss-sound-ko--32_7a--c4cb1dd.i [2021-12-15 12:58:07,012 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:58:07,013 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:58:07,072 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:58:07,102 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 12:58:07,103 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:58:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand has 367 states, 286 states have (on average 1.5) internal successors, (429), 293 states have internal predecessors, (429), 50 states have call successors, (50), 29 states have call predecessors, (50), 29 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2021-12-15 12:58:07,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 12:58:07,148 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:58:07,149 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:58:07,151 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:58:07,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:58:07,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1479164548, now seen corresponding path program 1 times [2021-12-15 12:58:07,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:58:07,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1614352410] [2021-12-15 12:58:07,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:58:07,176 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:58:07,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:58:07,207 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 12:58:07,215 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 12:58:07,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2021-12-15 12:58:07,567 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 12:58:07,568 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 12:58:07,572 INFO L158 Benchmark]: Toolchain (without parser) took 12600.24ms. Allocated memory was 58.7MB in the beginning and 486.5MB in the end (delta: 427.8MB). Free memory was 32.9MB in the beginning and 375.8MB in the end (delta: -343.0MB). Peak memory consumption was 264.4MB. Max. memory is 16.1GB. [2021-12-15 12:58:07,572 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:58:07,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3415.96ms. Allocated memory was 58.7MB in the beginning and 249.6MB in the end (delta: 190.8MB). Free memory was 32.7MB in the beginning and 117.2MB in the end (delta: -84.5MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. [2021-12-15 12:58:07,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 248.13ms. Allocated memory is still 249.6MB. Free memory was 117.2MB in the beginning and 153.0MB in the end (delta: -35.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:58:07,573 INFO L158 Benchmark]: Boogie Preprocessor took 135.12ms. Allocated memory is still 249.6MB. Free memory was 153.0MB in the beginning and 139.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 12:58:07,574 INFO L158 Benchmark]: RCFGBuilder took 8227.64ms. Allocated memory was 249.6MB in the beginning and 486.5MB in the end (delta: 237.0MB). Free memory was 138.3MB in the beginning and 214.5MB in the end (delta: -76.1MB). Peak memory consumption was 169.9MB. Max. memory is 16.1GB. [2021-12-15 12:58:07,574 INFO L158 Benchmark]: TraceAbstraction took 566.78ms. Allocated memory is still 486.5MB. Free memory was 213.4MB in the beginning and 375.8MB in the end (delta: -162.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-12-15 12:58:07,579 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3415.96ms. Allocated memory was 58.7MB in the beginning and 249.6MB in the end (delta: 190.8MB). Free memory was 32.7MB in the beginning and 117.2MB in the end (delta: -84.5MB). Peak memory consumption was 115.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 248.13ms. Allocated memory is still 249.6MB. Free memory was 117.2MB in the beginning and 153.0MB in the end (delta: -35.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 135.12ms. Allocated memory is still 249.6MB. Free memory was 153.0MB in the beginning and 139.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 8227.64ms. Allocated memory was 249.6MB in the beginning and 486.5MB in the end (delta: 237.0MB). Free memory was 138.3MB in the beginning and 214.5MB in the end (delta: -76.1MB). Peak memory consumption was 169.9MB. Max. memory is 16.1GB. * TraceAbstraction took 566.78ms. Allocated memory is still 486.5MB. Free memory was 213.4MB in the beginning and 375.8MB in the end (delta: -162.4MB). Peak memory consumption was 17.2MB. 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 12:58:07,655 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