./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd-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/main7_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 5382fd850a3f5e6c61ccd2759b8e424c3b7f731c85c9b0822bbf72f7e7099cfd --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:57:36,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:57:36,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:57:36,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:57:36,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:57:36,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:57:36,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:57:36,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:57:36,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:57:36,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:57:36,591 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:57:36,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:57:36,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:57:36,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:57:36,594 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:57:36,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:57:36,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:57:36,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:57:36,598 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:57:36,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:57:36,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:57:36,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:57:36,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:57:36,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:57:36,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:57:36,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:57:36,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:57:36,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:57:36,613 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:57:36,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:57:36,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:57:36,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:57:36,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:57:36,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:57:36,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:57:36,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:57:36,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:57:36,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:57:36,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:57:36,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:57:36,619 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:57:36,620 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-15 12:57:36,643 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:57:36,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:57:36,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:57:36,644 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:57:36,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:57:36,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:57:36,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:57:36,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:57:36,646 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:57:36,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:57:36,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 12:57:36,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:57:36,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:57:36,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:57:36,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:57:36,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:57:36,647 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:57:36,647 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:57:36,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:57:36,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:57:36,648 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:57:36,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:36,648 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:57:36,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:57:36,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:57:36,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 12:57:36,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 12:57:36,650 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:57:36,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:57:36,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:57:36,651 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:57:36,651 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5382fd850a3f5e6c61ccd2759b8e424c3b7f731c85c9b0822bbf72f7e7099cfd [2021-12-15 12:57:36,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:57:36,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:57:36,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:57:36,878 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:57:36,878 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:57:36,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-12-15 12:57:36,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49b5a6a5/25f18545bc594f258ee9a2bf585a074e/FLAG65bf3dd90 [2021-12-15 12:57:37,644 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:57:37,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-12-15 12:57:37,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49b5a6a5/25f18545bc594f258ee9a2bf585a074e/FLAG65bf3dd90 [2021-12-15 12:57:37,956 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e49b5a6a5/25f18545bc594f258ee9a2bf585a074e [2021-12-15 12:57:37,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:57:37,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:57:37,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:37,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:57:37,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:57:37,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:37" (1/1) ... [2021-12-15 12:57:37,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752a587f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:37, skipping insertion in model container [2021-12-15 12:57:37,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:37" (1/1) ... [2021-12-15 12:57:37,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:57:38,079 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:57:40,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i[376899,376912] [2021-12-15 12:57:40,140 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:40,188 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:57:40,522 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i[376899,376912] [2021-12-15 12:57:40,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:40,658 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:57:40,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40 WrapperNode [2021-12-15 12:57:40,658 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:40,659 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:40,659 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:57:40,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:57:40,666 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (1/1) ... [2021-12-15 12:57:40,791 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (1/1) ... [2021-12-15 12:57:40,898 INFO L137 Inliner]: procedures = 377, calls = 5019, calls flagged for inlining = 130, calls inlined = 27, statements flattened = 3002 [2021-12-15 12:57:40,899 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:40,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:57:40,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:57:40,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:57:40,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (1/1) ... [2021-12-15 12:57:40,908 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (1/1) ... [2021-12-15 12:57:40,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (1/1) ... [2021-12-15 12:57:40,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (1/1) ... [2021-12-15 12:57:41,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (1/1) ... [2021-12-15 12:57:41,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (1/1) ... [2021-12-15 12:57:41,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (1/1) ... [2021-12-15 12:57:41,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:57:41,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:57:41,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:57:41,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:57:41,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (1/1) ... [2021-12-15 12:57:41,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:41,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:57:41,105 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 12:57:41,124 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 12:57:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-15 12:57:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-15 12:57:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-15 12:57:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-15 12:57:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-15 12:57:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~VOID [2021-12-15 12:57:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_channels [2021-12-15 12:57:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_channels [2021-12-15 12:57:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:57:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:57:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~TO~int [2021-12-15 12:57:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~TO~int [2021-12-15 12:57:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure seq_input_event [2021-12-15 12:57:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_input_event [2021-12-15 12:57:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-15 12:57:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-15 12:57:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:57:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:57:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-15 12:57:41,143 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-15 12:57:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-15 12:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:57:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-15 12:57:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-15 12:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:57:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-15 12:57:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-15 12:57:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:57:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-15 12:57:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~VOID [2021-12-15 12:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:57:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 12:57:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 12:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-15 12:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~$Pointer$~TO~int [2021-12-15 12:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-15 12:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-15 12:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~int [2021-12-15 12:57:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~int [2021-12-15 12:57:41,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-15 12:57:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-15 12:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:57:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:57:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_event [2021-12-15 12:57:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_event [2021-12-15 12:57:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-15 12:57:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-15 12:57:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-15 12:57:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-15 12:57:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_open [2021-12-15 12:57:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_open [2021-12-15 12:57:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 12:57:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 12:57:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:57:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:57:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure do_midi_msg [2021-12-15 12:57:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure do_midi_msg [2021-12-15 12:57:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-12-15 12:57:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-12-15 12:57:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-15 12:57:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 12:57:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_arm [2021-12-15 12:57:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_arm [2021-12-15 12:57:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-15 12:57:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-15 12:57:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 12:57:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_get_time [2021-12-15 12:57:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_get_time [2021-12-15 12:57:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:57:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:57:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure sequencer_timer [2021-12-15 12:57:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure sequencer_timer [2021-12-15 12:57:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_speed [2021-12-15 12:57:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_speed [2021-12-15 12:57:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-15 12:57:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-15 12:57:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-15 12:57:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-15 12:57:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-15 12:57:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 12:57:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure timer_arm [2021-12-15 12:57:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_arm [2021-12-15 12:57:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-15 12:57:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-15 12:57:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:57:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:57:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-15 12:57:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-15 12:57:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:57:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:57:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure request_sound_timer [2021-12-15 12:57:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure request_sound_timer [2021-12-15 12:57:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure play_event [2021-12-15 12:57:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure play_event [2021-12-15 12:57:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 12:57:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 12:57:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-15 12:57:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~int~TO~int [2021-12-15 12:57:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~VOID [2021-12-15 12:57:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~VOID [2021-12-15 12:57:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-15 12:57:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-15 12:57:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 12:57:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-15 12:57:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-15 12:57:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 12:57:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 12:57:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:57:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:57:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure seq_startplay [2021-12-15 12:57:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_startplay [2021-12-15 12:57:41,565 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:57:41,568 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:57:43,717 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:57:43,732 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:57:43,733 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:57:43,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:43 BoogieIcfgContainer [2021-12-15 12:57:43,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:57:43,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:57:43,742 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:57:43,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:57:43,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:57:37" (1/3) ... [2021-12-15 12:57:43,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42013f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:57:43, skipping insertion in model container [2021-12-15 12:57:43,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:40" (2/3) ... [2021-12-15 12:57:43,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42013f8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:57:43, skipping insertion in model container [2021-12-15 12:57:43,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:43" (3/3) ... [2021-12-15 12:57:43,749 INFO L111 eAbstractionObserver]: Analyzing ICFG main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-12-15 12:57:43,753 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:57:43,753 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:57:43,789 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:57:43,794 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 12:57:43,795 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:57:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 894 states, 683 states have (on average 1.5080527086383602) internal successors, (1030), 720 states have internal predecessors, (1030), 157 states have call successors, (157), 52 states have call predecessors, (157), 52 states have return successors, (157), 143 states have call predecessors, (157), 157 states have call successors, (157) [2021-12-15 12:57:43,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 12:57:43,820 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:57:43,821 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:57:43,821 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:57:43,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:57:43,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1239716132, now seen corresponding path program 1 times [2021-12-15 12:57:43,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 12:57:43,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659601178] [2021-12-15 12:57:43,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:57:43,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 12:57:43,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 12:57:43,929 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 12:57:43,937 INFO L158 Benchmark]: Toolchain (without parser) took 5976.49ms. Allocated memory was 115.3MB in the beginning and 367.0MB in the end (delta: 251.7MB). Free memory was 71.6MB in the beginning and 189.1MB in the end (delta: -117.5MB). Peak memory consumption was 134.1MB. Max. memory is 16.1GB. [2021-12-15 12:57:43,937 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:57:43,938 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2697.39ms. Allocated memory was 115.3MB in the beginning and 226.5MB in the end (delta: 111.1MB). Free memory was 71.6MB in the beginning and 147.7MB in the end (delta: -76.1MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2021-12-15 12:57:43,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 240.13ms. Allocated memory is still 226.5MB. Free memory was 147.7MB in the beginning and 121.5MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 12:57:43,941 INFO L158 Benchmark]: Boogie Preprocessor took 175.66ms. Allocated memory is still 226.5MB. Free memory was 121.5MB in the beginning and 99.3MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-15 12:57:43,943 INFO L158 Benchmark]: RCFGBuilder took 2664.62ms. Allocated memory was 226.5MB in the beginning and 367.0MB in the end (delta: 140.5MB). Free memory was 99.3MB in the beginning and 210.1MB in the end (delta: -110.8MB). Peak memory consumption was 130.5MB. Max. memory is 16.1GB. [2021-12-15 12:57:43,943 INFO L158 Benchmark]: TraceAbstraction took 192.74ms. Allocated memory is still 367.0MB. Free memory was 210.1MB in the beginning and 189.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 12:57:43,948 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 115.3MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2697.39ms. Allocated memory was 115.3MB in the beginning and 226.5MB in the end (delta: 111.1MB). Free memory was 71.6MB in the beginning and 147.7MB in the end (delta: -76.1MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 240.13ms. Allocated memory is still 226.5MB. Free memory was 147.7MB in the beginning and 121.5MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 175.66ms. Allocated memory is still 226.5MB. Free memory was 121.5MB in the beginning and 99.3MB in the end (delta: 22.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2664.62ms. Allocated memory was 226.5MB in the beginning and 367.0MB in the end (delta: 140.5MB). Free memory was 99.3MB in the beginning and 210.1MB in the end (delta: -110.8MB). Peak memory consumption was 130.5MB. Max. memory is 16.1GB. * TraceAbstraction took 192.74ms. Allocated memory is still 367.0MB. Free memory was 210.1MB in the beginning and 189.1MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:57:43,993 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/main7_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 5382fd850a3f5e6c61ccd2759b8e424c3b7f731c85c9b0822bbf72f7e7099cfd --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 12:57:45,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 12:57:45,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 12:57:45,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 12:57:45,653 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 12:57:45,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 12:57:45,655 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 12:57:45,656 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 12:57:45,658 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 12:57:45,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 12:57:45,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 12:57:45,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 12:57:45,660 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 12:57:45,661 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 12:57:45,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 12:57:45,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 12:57:45,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 12:57:45,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 12:57:45,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 12:57:45,667 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 12:57:45,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 12:57:45,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 12:57:45,669 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 12:57:45,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 12:57:45,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 12:57:45,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 12:57:45,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 12:57:45,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 12:57:45,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 12:57:45,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 12:57:45,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 12:57:45,675 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 12:57:45,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 12:57:45,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 12:57:45,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 12:57:45,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 12:57:45,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 12:57:45,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 12:57:45,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 12:57:45,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 12:57:45,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 12:57:45,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-15 12:57:45,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 12:57:45,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 12:57:45,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 12:57:45,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 12:57:45,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 12:57:45,696 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 12:57:45,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 12:57:45,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 12:57:45,696 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 12:57:45,697 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 12:57:45,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 12:57:45,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 12:57:45,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 12:57:45,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 12:57:45,697 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 12:57:45,698 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 12:57:45,698 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 12:57:45,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 12:57:45,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 12:57:45,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 12:57:45,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 12:57:45,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 12:57:45,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 12:57:45,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:45,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 12:57:45,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 12:57:45,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 12:57:45,700 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 12:57:45,700 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 12:57:45,700 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 12:57:45,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 12:57:45,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 12:57:45,700 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 12:57:45,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 12:57:45,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5382fd850a3f5e6c61ccd2759b8e424c3b7f731c85c9b0822bbf72f7e7099cfd [2021-12-15 12:57:45,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 12:57:45,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 12:57:46,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 12:57:46,001 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 12:57:46,003 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 12:57:46,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-12-15 12:57:46,051 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bcc222e7/bf1b73f95bbd4e0a92ab1c3c21d1b3f9/FLAG7d40b0a09 [2021-12-15 12:57:46,768 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 12:57:46,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-12-15 12:57:46,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bcc222e7/bf1b73f95bbd4e0a92ab1c3c21d1b3f9/FLAG7d40b0a09 [2021-12-15 12:57:47,080 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1bcc222e7/bf1b73f95bbd4e0a92ab1c3c21d1b3f9 [2021-12-15 12:57:47,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 12:57:47,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 12:57:47,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:47,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 12:57:47,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 12:57:47,091 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:47" (1/1) ... [2021-12-15 12:57:47,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ad84f09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:47, skipping insertion in model container [2021-12-15 12:57:47,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:57:47" (1/1) ... [2021-12-15 12:57:47,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 12:57:47,227 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:57:49,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i[376899,376912] [2021-12-15 12:57:49,530 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:49,585 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 12:57:49,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 12:57:49,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i[376899,376912] [2021-12-15 12:57:49,959 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:49,987 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 12:57:50,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-commit-tester/main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i[376899,376912] [2021-12-15 12:57:50,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 12:57:50,508 INFO L208 MainTranslator]: Completed translation [2021-12-15 12:57:50,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50 WrapperNode [2021-12-15 12:57:50,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 12:57:50,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:50,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 12:57:50,511 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 12:57:50,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (1/1) ... [2021-12-15 12:57:50,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (1/1) ... [2021-12-15 12:57:50,802 INFO L137 Inliner]: procedures = 397, calls = 5011, calls flagged for inlining = 129, calls inlined = 7, statements flattened = 1565 [2021-12-15 12:57:50,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 12:57:50,803 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 12:57:50,803 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 12:57:50,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 12:57:50,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (1/1) ... [2021-12-15 12:57:50,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (1/1) ... [2021-12-15 12:57:50,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (1/1) ... [2021-12-15 12:57:50,820 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (1/1) ... [2021-12-15 12:57:50,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (1/1) ... [2021-12-15 12:57:50,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (1/1) ... [2021-12-15 12:57:50,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (1/1) ... [2021-12-15 12:57:50,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 12:57:50,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 12:57:50,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 12:57:50,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 12:57:50,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (1/1) ... [2021-12-15 12:57:50,893 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 12:57:50,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 12:57:50,910 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 12:57:50,936 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 12:57:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure timer_open [2021-12-15 12:57:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_open [2021-12-15 12:57:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure timer_event [2021-12-15 12:57:50,948 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_event [2021-12-15 12:57:50,948 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2021-12-15 12:57:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-15 12:57:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-15 12:57:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure seq_copy_to_input [2021-12-15 12:57:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_copy_to_input [2021-12-15 12:57:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-15 12:57:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-15 12:57:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 12:57:50,949 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 12:57:50,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 12:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 12:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 12:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 12:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-15 12:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure timer_get_time [2021-12-15 12:57:50,950 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_get_time [2021-12-15 12:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure timer_ioctl [2021-12-15 12:57:50,950 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_ioctl [2021-12-15 12:57:50,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-12-15 12:57:50,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~X~$Pointer$~TO~C_INT [2021-12-15 12:57:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-15 12:57:50,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-15 12:57:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-15 12:57:50,951 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-15 12:57:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure default_set_bits [2021-12-15 12:57:50,951 INFO L138 BoogieDeclarations]: Found implementation of procedure default_set_bits [2021-12-15 12:57:50,951 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_close [2021-12-15 12:57:50,952 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_close [2021-12-15 12:57:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2021-12-15 12:57:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-12-15 12:57:50,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~C_UINT~TO~C_UINT [2021-12-15 12:57:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure timer_close [2021-12-15 12:57:50,952 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_close [2021-12-15 12:57:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 12:57:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-15 12:57:50,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2021-12-15 12:57:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2021-12-15 12:57:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2021-12-15 12:57:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~TO~VOID [2021-12-15 12:57:50,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~TO~VOID [2021-12-15 12:57:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2021-12-15 12:57:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 12:57:50,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 12:57:50,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-15 12:57:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 12:57:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 12:57:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-15 12:57:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 12:57:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset [2021-12-15 12:57:50,954 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset [2021-12-15 12:57:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-15 12:57:50,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-15 12:57:50,954 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks___0 [2021-12-15 12:57:50,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks___0 [2021-12-15 12:57:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 12:57:50,955 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 12:57:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure tmr_reset___0 [2021-12-15 12:57:50,955 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr_reset___0 [2021-12-15 12:57:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 12:57:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 12:57:50,955 INFO L130 BoogieDeclarations]: Found specification of procedure reprogram_timer [2021-12-15 12:57:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure reprogram_timer [2021-12-15 12:57:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 12:57:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 12:57:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info___0 [2021-12-15 12:57:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info___0 [2021-12-15 12:57:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 12:57:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-15 12:57:50,956 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-15 12:57:50,956 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-12-15 12:57:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-15 12:57:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-15 12:57:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 12:57:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-15 12:57:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-15 12:57:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-15 12:57:50,957 INFO L130 BoogieDeclarations]: Found specification of procedure tmr2ticks [2021-12-15 12:57:50,957 INFO L138 BoogieDeclarations]: Found implementation of procedure tmr2ticks [2021-12-15 12:57:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-15 12:57:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-15 12:57:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure def_tmr_ioctl [2021-12-15 12:57:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure def_tmr_ioctl [2021-12-15 12:57:50,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-15 12:57:50,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-15 12:57:51,155 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 12:57:51,157 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 12:57:58,649 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 12:57:58,656 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 12:57:58,657 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-15 12:57:58,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:58 BoogieIcfgContainer [2021-12-15 12:57:58,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 12:57:58,660 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 12:57:58,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 12:57:58,662 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 12:57:58,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 12:57:47" (1/3) ... [2021-12-15 12:57:58,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3d432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:57:58, skipping insertion in model container [2021-12-15 12:57:58,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:57:50" (2/3) ... [2021-12-15 12:57:58,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3d432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 12:57:58, skipping insertion in model container [2021-12-15 12:57:58,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:57:58" (3/3) ... [2021-12-15 12:57:58,664 INFO L111 eAbstractionObserver]: Analyzing ICFG main7_sound-oss-sound-ko--32_7a--c4cb1dd-1.i [2021-12-15 12:57:58,668 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 12:57:58,668 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 12:57:58,700 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 12:57:58,704 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 12:57:58,705 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 12:57:58,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 384 states, 296 states have (on average 1.4966216216216217) internal successors, (443), 308 states have internal predecessors, (443), 56 states have call successors, (56), 30 states have call predecessors, (56), 30 states have return successors, (56), 52 states have call predecessors, (56), 56 states have call successors, (56) [2021-12-15 12:57:58,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-12-15 12:57:58,723 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 12:57:58,724 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 12:57:58,724 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 12:57:58,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 12:57:58,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1934542340, now seen corresponding path program 1 times [2021-12-15 12:57:58,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 12:57:58,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [586532998] [2021-12-15 12:57:58,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 12:57:58,741 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 12:57:58,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 12:57:58,744 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 12:57:58,753 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 12:57:58,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-15 12:57:59,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2021-12-15 12:57:59,072 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-12-15 12:57:59,076 INFO L158 Benchmark]: Toolchain (without parser) took 11990.26ms. Allocated memory was 56.6MB in the beginning and 557.8MB in the end (delta: 501.2MB). Free memory was 31.3MB in the beginning and 415.1MB in the end (delta: -383.8MB). Peak memory consumption was 118.1MB. Max. memory is 16.1GB. [2021-12-15 12:57:59,076 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 56.6MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 12:57:59,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3422.30ms. Allocated memory was 56.6MB in the beginning and 289.4MB in the end (delta: 232.8MB). Free memory was 31.1MB in the beginning and 140.9MB in the end (delta: -109.8MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. [2021-12-15 12:57:59,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 292.06ms. Allocated memory is still 289.4MB. Free memory was 140.9MB in the beginning and 197.3MB in the end (delta: -56.4MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2021-12-15 12:57:59,077 INFO L158 Benchmark]: Boogie Preprocessor took 84.59ms. Allocated memory is still 289.4MB. Free memory was 197.3MB in the beginning and 183.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-15 12:57:59,078 INFO L158 Benchmark]: RCFGBuilder took 7770.56ms. Allocated memory was 289.4MB in the beginning and 557.8MB in the end (delta: 268.4MB). Free memory was 183.8MB in the beginning and 440.3MB in the end (delta: -256.5MB). Peak memory consumption was 309.7MB. Max. memory is 16.1GB. [2021-12-15 12:57:59,078 INFO L158 Benchmark]: TraceAbstraction took 414.08ms. Allocated memory is still 557.8MB. Free memory was 439.2MB in the beginning and 415.1MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-12-15 12:57:59,080 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 56.6MB. Free memory was 39.5MB in the beginning and 39.4MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3422.30ms. Allocated memory was 56.6MB in the beginning and 289.4MB in the end (delta: 232.8MB). Free memory was 31.1MB in the beginning and 140.9MB in the end (delta: -109.8MB). Peak memory consumption was 122.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 292.06ms. Allocated memory is still 289.4MB. Free memory was 140.9MB in the beginning and 197.3MB in the end (delta: -56.4MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.59ms. Allocated memory is still 289.4MB. Free memory was 197.3MB in the beginning and 183.8MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 7770.56ms. Allocated memory was 289.4MB in the beginning and 557.8MB in the end (delta: 268.4MB). Free memory was 183.8MB in the beginning and 440.3MB in the end (delta: -256.5MB). Peak memory consumption was 309.7MB. Max. memory is 16.1GB. * TraceAbstraction took 414.08ms. Allocated memory is still 557.8MB. Free memory was 439.2MB in the beginning and 415.1MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-12-15 12:57:59,130 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