./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-1.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-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash dc5bd88db6cb2e7d4a77c9c48c9161e7e0757266bafef5539df42154bcc77181 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:57:43,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:57:43,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:57:43,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:57:43,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:57:43,768 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:57:43,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:57:43,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:57:43,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:57:43,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:57:43,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:57:43,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:57:43,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:57:43,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:57:43,777 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:57:43,778 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:57:43,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:57:43,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:57:43,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:57:43,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:57:43,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:57:43,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:57:43,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:57:43,791 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:57:43,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:57:43,798 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:57:43,798 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:57:43,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:57:43,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:57:43,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:57:43,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:57:43,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:57:43,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:57:43,801 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:57:43,802 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:57:43,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:57:43,806 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:57:43,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:57:43,806 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:57:43,807 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:57:43,808 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:57:43,809 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:57:43,828 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:57:43,829 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:57:43,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:57:43,829 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:57:43,830 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:57:43,830 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:57:43,830 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:57:43,830 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:57:43,831 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:57:43,831 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:57:43,831 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:57:43,831 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:57:43,831 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:57:43,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:57:43,832 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:57:43,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:57:43,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:57:43,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:57:43,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:57:43,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:57:43,832 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:57:43,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:43,833 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:57:43,833 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:57:43,833 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:57:43,833 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:57:43,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:57:43,833 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:57:43,834 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:57:43,834 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:57:43,834 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:57:43,834 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc5bd88db6cb2e7d4a77c9c48c9161e7e0757266bafef5539df42154bcc77181 [2021-12-15 12:57:44,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:57:44,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:57:44,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:57:44,149 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:57:44,150 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:57:44,150 INFO L432 ainManager$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-1.i [2021-12-15 12:57:44,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/239ff962e/99e37b6686f44be7bf9afae6311c3fb1/FLAGcc9a13ff1 [2021-12-15 12:57:45,276 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:57:45,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-12-15 12:57:45,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/239ff962e/99e37b6686f44be7bf9afae6311c3fb1/FLAGcc9a13ff1 [2021-12-15 12:57:45,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/239ff962e/99e37b6686f44be7bf9afae6311c3fb1 [2021-12-15 12:57:45,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:57:45,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:57:45,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:45,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:57:45,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:57:45,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:45" (1/1) ... [2021-12-15 12:57:45,637 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d369c5c 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 12:57:45,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:45" (1/1) ... [2021-12-15 12:57:45,642 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:57:45,785 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:57:47,542 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-1.i[376899,376912] [2021-12-15 12:57:47,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:47,652 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:57:47,937 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-1.i[376899,376912] [2021-12-15 12:57:47,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:48,060 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:57:48,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48 WrapperNode [2021-12-15 12:57:48,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:48,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:48,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:57:48,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:57:48,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (1/1) ... [2021-12-15 12:57:48,188 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (1/1) ... [2021-12-15 12:57:48,256 INFO L137 Inliner]: procedures = 377, calls = 5019, calls flagged for inlining = 130, calls inlined = 3, statements flattened = 1544 [2021-12-15 12:57:48,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:48,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:57:48,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:57:48,257 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:57:48,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (1/1) ... [2021-12-15 12:57:48,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (1/1) ... [2021-12-15 12:57:48,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (1/1) ... [2021-12-15 12:57:48,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (1/1) ... [2021-12-15 12:57:48,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (1/1) ... [2021-12-15 12:57:48,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (1/1) ... [2021-12-15 12:57:48,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (1/1) ... [2021-12-15 12:57:48,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:57:48,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:57:48,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:57:48,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:57:48,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (1/1) ... [2021-12-15 12:57:48,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:48,431 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:57:48,440 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 12:57:48,460 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 12:57:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-15 12:57:48,483 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-15 12:57:48,483 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-15 12:57:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-15 12:57:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:57:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:57:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-15 12:57:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-15 12:57:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:57:48,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:57:48,484 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-15 12:57:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-15 12:57:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-15 12:57:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:57:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:57:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-15 12:57:48,485 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-15 12:57:48,485 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:57:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:57:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-15 12:57:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-15 12:57:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:57:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:57:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:57:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:57:48,486 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 12:57:48,486 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 12:57:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-15 12:57:48,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-15 12:57:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-15 12:57:48,487 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-15 12:57:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:57:48,487 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:57:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:57:48,487 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-15 12:57:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-15 12:57:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:57:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:57:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:57:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-15 12:57:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-15 12:57:48,488 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:48,488 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-15 12:57:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-15 12:57:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-15 12:57:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-15 12:57:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:57:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:57:48,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-15 12:57:48,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-15 12:57:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:57:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:57:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-15 12:57:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-15 12:57:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-15 12:57:48,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-15 12:57:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:57:48,490 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-15 12:57:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-15 12:57:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:57:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:57:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-15 12:57:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-15 12:57:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-15 12:57:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-15 12:57:48,491 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-15 12:57:48,491 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-15 12:57:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-15 12:57:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:57:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:57:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:57:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-15 12:57:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-15 12:57:48,492 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:57:48,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:57:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:57:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-15 12:57:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-15 12:57:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 12:57:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 12:57:48,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:57:48,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:57:48,995 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:57:48,997 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:57:50,168 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:57:50,176 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:57:50,176 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:57:50,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:50 BoogieIcfgContainer [2021-12-15 12:57:50,192 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:57:50,193 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:57:50,193 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:57:50,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:57:50,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:57:45" (1/3) ... [2021-12-15 12:57:50,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2258ba15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:57:50, skipping insertion in model container [2021-12-15 12:57:50,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:48" (2/3) ... [2021-12-15 12:57:50,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2258ba15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:57:50, skipping insertion in model container [2021-12-15 12:57:50,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:50" (3/3) ... [2021-12-15 12:57:50,198 INFO L111 eAbstractionObserver]: Analyzing ICFG main8_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-12-15 12:57:50,201 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:57:50,202 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:57:50,232 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:57:50,236 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 12:57:50,236 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:57:50,251 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 12:57:50,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 12:57:50,254 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:57:50,254 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:57:50,255 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:57:50,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:57:50,258 INFO L85 PathProgramCache]: Analyzing trace with hash 920155213, now seen corresponding path program 1 times [2021-12-15 12:57:50,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:57:50,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4899945] [2021-12-15 12:57:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:57:50,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:57:50,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:57:50,332 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 12:57:50,337 INFO L158 Benchmark]: Toolchain (without parser) took 4703.98ms. Allocated memory was 115.3MB in the beginning and 335.5MB in the end (delta: 220.2MB). Free memory was 80.5MB in the beginning and 232.6MB in the end (delta: -152.1MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2021-12-15 12:57:50,337 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:57:50,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2428.75ms. Allocated memory was 115.3MB in the beginning and 195.0MB in the end (delta: 79.7MB). Free memory was 80.5MB in the beginning and 88.6MB in the end (delta: -8.1MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2021-12-15 12:57:50,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 193.73ms. Allocated memory is still 195.0MB. Free memory was 88.6MB in the beginning and 68.6MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:57:50,338 INFO L158 Benchmark]: Boogie Preprocessor took 158.10ms. Allocated memory is still 195.0MB. Free memory was 68.6MB in the beginning and 98.9MB in the end (delta: -30.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2021-12-15 12:57:50,339 INFO L158 Benchmark]: RCFGBuilder took 1776.21ms. Allocated memory was 195.0MB in the beginning and 335.5MB in the end (delta: 140.5MB). Free memory was 97.9MB in the beginning and 249.4MB in the end (delta: -151.4MB). Peak memory consumption was 116.8MB. Max. memory is 16.1GB. [2021-12-15 12:57:50,339 INFO L158 Benchmark]: TraceAbstraction took 142.22ms. Allocated memory is still 335.5MB. Free memory was 249.4MB in the beginning and 232.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-15 12:57:50,341 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2428.75ms. Allocated memory was 115.3MB in the beginning and 195.0MB in the end (delta: 79.7MB). Free memory was 80.5MB in the beginning and 88.6MB in the end (delta: -8.1MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 193.73ms. Allocated memory is still 195.0MB. Free memory was 88.6MB in the beginning and 68.6MB in the end (delta: 20.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 158.10ms. Allocated memory is still 195.0MB. Free memory was 68.6MB in the beginning and 98.9MB in the end (delta: -30.2MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1776.21ms. Allocated memory was 195.0MB in the beginning and 335.5MB in the end (delta: 140.5MB). Free memory was 97.9MB in the beginning and 249.4MB in the end (delta: -151.4MB). Peak memory consumption was 116.8MB. Max. memory is 16.1GB. * TraceAbstraction took 142.22ms. Allocated memory is still 335.5MB. Free memory was 249.4MB in the beginning and 232.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. 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 12:57:50,369 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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-1.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 dc5bd88db6cb2e7d4a77c9c48c9161e7e0757266bafef5539df42154bcc77181 --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:57:52,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:57:52,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:57:52,267 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:57:52,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:57:52,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:57:52,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:57:52,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:57:52,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:57:52,280 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:57:52,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:57:52,284 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:57:52,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:57:52,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:57:52,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:57:52,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:57:52,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:57:52,292 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:57:52,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:57:52,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:57:52,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:57:52,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:57:52,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:57:52,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:57:52,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:57:52,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:57:52,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:57:52,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:57:52,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:57:52,309 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:57:52,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:57:52,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:57:52,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:57:52,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:57:52,312 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:57:52,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:57:52,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:57:52,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:57:52,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:57:52,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:57:52,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:57:52,318 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:57:52,341 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:57:52,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:57:52,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:57:52,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:57:52,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:57:52,344 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:57:52,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:57:52,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:57:52,345 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:57:52,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:57:52,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:57:52,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:57:52,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:57:52,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:57:52,346 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:57:52,346 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:57:52,347 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:57:52,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:57:52,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:57:52,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:57:52,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:57:52,347 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:57:52,347 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:57:52,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:52,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:57:52,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:57:52,348 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:57:52,348 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:57:52,348 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:57:52,348 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:57:52,349 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:57:52,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:57:52,349 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:57:52,349 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:57:52,349 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc5bd88db6cb2e7d4a77c9c48c9161e7e0757266bafef5539df42154bcc77181 [2021-12-15 12:57:52,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:57:52,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:57:52,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:57:52,655 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:57:52,656 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:57:52,656 INFO L432 ainManager$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-1.i [2021-12-15 12:57:52,718 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e7f4bfe5/cf50effcb15c4e57a88e98b3786b18b4/FLAGf5f63a433 [2021-12-15 12:57:53,382 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:57:53,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main8_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-12-15 12:57:53,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e7f4bfe5/cf50effcb15c4e57a88e98b3786b18b4/FLAGf5f63a433 [2021-12-15 12:57:53,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e7f4bfe5/cf50effcb15c4e57a88e98b3786b18b4 [2021-12-15 12:57:53,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:57:53,947 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:57:53,948 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:53,948 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:57:53,951 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:57:53,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:53" (1/1) ... [2021-12-15 12:57:53,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42634209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:53, skipping insertion in model container [2021-12-15 12:57:53,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:53" (1/1) ... [2021-12-15 12:57:53,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:57:54,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:57:56,586 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-1.i[376899,376912] [2021-12-15 12:57:56,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:56,718 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:57:56,794 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:57:57,196 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-1.i[376899,376912] [2021-12-15 12:57:57,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:57,235 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:57:57,649 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-1.i[376899,376912] [2021-12-15 12:57:57,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:57,792 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:57:57,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57 WrapperNode [2021-12-15 12:57:57,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:57,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:57,794 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:57:57,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:57:57,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (1/1) ... [2021-12-15 12:57:57,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (1/1) ... [2021-12-15 12:57:58,041 INFO L137 Inliner]: procedures = 397, calls = 5011, calls flagged for inlining = 129, calls inlined = 4, statements flattened = 1548 [2021-12-15 12:57:58,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:58,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:57:58,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:57:58,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:57:58,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (1/1) ... [2021-12-15 12:57:58,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (1/1) ... [2021-12-15 12:57:58,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (1/1) ... [2021-12-15 12:57:58,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (1/1) ... [2021-12-15 12:57:58,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (1/1) ... [2021-12-15 12:57:58,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (1/1) ... [2021-12-15 12:57:58,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (1/1) ... [2021-12-15 12:57:58,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:57:58,277 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:57:58,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:57:58,278 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:57:58,278 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (1/1) ... [2021-12-15 12:57:58,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:58,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:57:58,300 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 12:57:58,317 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 12:57:58,330 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-15 12:57:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:57:58,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:57:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-15 12:57:58,331 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-15 12:57:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:57:58,331 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:57:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:57:58,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:57:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:57:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:57:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:57:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:57:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:57:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-15 12:57:58,332 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-15 12:57:58,333 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-12-15 12:57:58,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-12-15 12:57:58,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-15 12:57:58,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-15 12:57:58,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:57:58,333 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:57:58,333 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-15 12:57:58,333 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-15 12:57:58,334 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-15 12:57:58,334 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-15 12:57:58,334 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-15 12:57:58,334 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-12-15 12:57:58,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-12-15 12:57:58,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:57:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:57:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:57:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:57:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:57:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:57:58,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:57:58,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:57:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:57:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:57:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:57:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:57:58,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:57:58,337 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-15 12:57:58,337 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-15 12:57:58,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:57:58,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:57:58,337 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-15 12:57:58,337 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-15 12:57:58,338 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:57:58,338 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:57:58,338 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-15 12:57:58,339 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-15 12:57:58,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:57:58,339 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:57:58,339 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 12:57:58,339 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 12:57:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-15 12:57:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-15 12:57:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:57:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:57:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-15 12:57:58,340 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-15 12:57:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:57:58,340 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:57:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:57:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-15 12:57:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-15 12:57:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-15 12:57:58,341 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-15 12:57:58,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:57:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:57:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-15 12:57:58,342 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-15 12:57:58,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:57:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:57:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:57:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:57:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-15 12:57:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-15 12:57:58,343 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:57:58,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:57:58,344 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-15 12:57:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-15 12:57:58,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 12:57:58,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 12:57:58,639 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:57:58,642 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:58:03,938 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:58:03,946 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:58:03,946 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:58:03,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:03 BoogieIcfgContainer [2021-12-15 12:58:03,948 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:58:03,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:58:03,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:58:03,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:58:03,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:57:53" (1/3) ... [2021-12-15 12:58:03,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c1feb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:58:03, skipping insertion in model container [2021-12-15 12:58:03,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:57" (2/3) ... [2021-12-15 12:58:03,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c1feb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:58:03, skipping insertion in model container [2021-12-15 12:58:03,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:03" (3/3) ... [2021-12-15 12:58:03,954 INFO L111 eAbstractionObserver]: Analyzing ICFG main8_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-12-15 12:58:03,957 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:58:03,958 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:58:04,001 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:58:04,005 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 12:58:04,005 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:58:04,022 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 12:58:04,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 12:58:04,025 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:58:04,025 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:58:04,026 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:58:04,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:58:04,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1479164548, now seen corresponding path program 1 times [2021-12-15 12:58:04,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:58:04,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708587961] [2021-12-15 12:58:04,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:58:04,049 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:58:04,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:58:04,051 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 12:58:04,083 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 12:58:04,238 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 12:58:04,439 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 12:58:04,440 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 12:58:04,444 INFO L158 Benchmark]: Toolchain (without parser) took 10496.58ms. Allocated memory was 69.2MB in the beginning and 367.0MB in the end (delta: 297.8MB). Free memory was 37.5MB in the beginning and 200.4MB in the end (delta: -162.8MB). Peak memory consumption was 135.0MB. Max. memory is 16.1GB. [2021-12-15 12:58:04,445 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 69.2MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:58:04,445 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3845.18ms. Allocated memory was 69.2MB in the beginning and 190.8MB in the end (delta: 121.6MB). Free memory was 37.2MB in the beginning and 69.8MB in the end (delta: -32.6MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. [2021-12-15 12:58:04,446 INFO L158 Benchmark]: Boogie Procedure Inliner took 248.21ms. Allocated memory is still 190.8MB. Free memory was 69.8MB in the beginning and 49.8MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-15 12:58:04,447 INFO L158 Benchmark]: Boogie Preprocessor took 232.57ms. Allocated memory was 190.8MB in the beginning and 367.0MB in the end (delta: 176.2MB). Free memory was 49.8MB in the beginning and 261.9MB in the end (delta: -212.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-15 12:58:04,448 INFO L158 Benchmark]: RCFGBuilder took 5671.59ms. Allocated memory is still 367.0MB. Free memory was 261.9MB in the beginning and 224.5MB in the end (delta: 37.4MB). Peak memory consumption was 199.4MB. Max. memory is 16.1GB. [2021-12-15 12:58:04,452 INFO L158 Benchmark]: TraceAbstraction took 493.35ms. Allocated memory is still 367.0MB. Free memory was 223.4MB in the beginning and 200.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 12:58:04,456 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 69.2MB. Free memory is still 51.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3845.18ms. Allocated memory was 69.2MB in the beginning and 190.8MB in the end (delta: 121.6MB). Free memory was 37.2MB in the beginning and 69.8MB in the end (delta: -32.6MB). Peak memory consumption was 113.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 248.21ms. Allocated memory is still 190.8MB. Free memory was 69.8MB in the beginning and 49.8MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 232.57ms. Allocated memory was 190.8MB in the beginning and 367.0MB in the end (delta: 176.2MB). Free memory was 49.8MB in the beginning and 261.9MB in the end (delta: -212.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5671.59ms. Allocated memory is still 367.0MB. Free memory was 261.9MB in the beginning and 224.5MB in the end (delta: 37.4MB). Peak memory consumption was 199.4MB. Max. memory is 16.1GB. * TraceAbstraction took 493.35ms. Allocated memory is still 367.0MB. Free memory was 223.4MB in the beginning and 200.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. 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 12:58:04,509 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable