./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/ddv-machzwd/ddv_machzwd_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:43:55,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:43:55,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:43:55,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:43:55,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:43:55,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:43:55,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:43:55,421 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:43:55,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:43:55,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:43:55,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:43:55,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:43:55,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:43:55,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:43:55,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:43:55,438 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:43:55,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:43:55,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:43:55,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:43:55,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:43:55,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:43:55,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:43:55,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:43:55,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:43:55,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:43:55,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:43:55,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:43:55,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:43:55,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:43:55,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:43:55,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:43:55,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:43:55,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:43:55,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:43:55,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:43:55,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:43:55,464 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:43:55,464 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:43:55,465 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:43:55,465 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:43:55,466 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:43:55,467 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-15 10:43:55,497 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:43:55,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:43:55,498 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:43:55,498 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:43:55,499 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:43:55,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:43:55,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:43:55,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:43:55,500 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:43:55,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:43:55,501 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:43:55,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-15 10:43:55,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:43:55,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:43:55,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:43:55,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:43:55,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:43:55,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:43:55,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:43:55,503 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:43:55,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:43:55,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:43:55,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:43:55,504 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:43:55,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:43:55,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:43:55,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:43:55,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:43:55,505 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-15 10:43:55,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-15 10:43:55,505 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:43:55,505 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:43:55,506 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:43:55,506 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:43:55,506 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2021-12-15 10:43:55,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:43:55,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:43:55,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:43:55,744 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:43:55,745 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:43:55,746 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-12-15 10:43:55,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac63163d0/52df14c9b8104de6b2f3186258faa83f/FLAGa211af145 [2021-12-15 10:43:56,411 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:43:56,412 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-12-15 10:43:56,439 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac63163d0/52df14c9b8104de6b2f3186258faa83f/FLAGa211af145 [2021-12-15 10:43:56,767 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac63163d0/52df14c9b8104de6b2f3186258faa83f [2021-12-15 10:43:56,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:43:56,774 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:43:56,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:43:56,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:43:56,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:43:56,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:43:56" (1/1) ... [2021-12-15 10:43:56,781 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@130732a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:56, skipping insertion in model container [2021-12-15 10:43:56,781 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:43:56" (1/1) ... [2021-12-15 10:43:56,787 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:43:56,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:43:57,028 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/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-12-15 10:43:57,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:43:57,810 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:43:57,821 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/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-12-15 10:43:58,024 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:43:58,153 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:43:58,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58 WrapperNode [2021-12-15 10:43:58,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:43:58,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:43:58,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:43:58,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:43:58,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (1/1) ... [2021-12-15 10:43:58,218 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (1/1) ... [2021-12-15 10:43:58,293 INFO L137 Inliner]: procedures = 476, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 1027 [2021-12-15 10:43:58,293 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:43:58,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:43:58,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:43:58,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:43:58,311 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (1/1) ... [2021-12-15 10:43:58,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (1/1) ... [2021-12-15 10:43:58,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (1/1) ... [2021-12-15 10:43:58,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (1/1) ... [2021-12-15 10:43:58,371 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (1/1) ... [2021-12-15 10:43:58,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (1/1) ... [2021-12-15 10:43:58,386 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (1/1) ... [2021-12-15 10:43:58,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:43:58,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:43:58,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:43:58,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:43:58,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (1/1) ... [2021-12-15 10:43:58,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:43:58,452 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:43:58,469 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 10:43:58,489 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 10:43:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-15 10:43:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-15 10:43:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 10:43:58,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-15 10:43:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 10:43:58,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 10:43:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 10:43:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 10:43:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 10:43:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 10:43:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-15 10:43:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-15 10:43:58,508 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-15 10:43:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-15 10:43:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-15 10:43:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 10:43:58,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 10:43:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 10:43:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-15 10:43:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-15 10:43:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:43:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 10:43:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 10:43:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 10:43:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-15 10:43:58,510 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-15 10:43:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-15 10:43:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-15 10:43:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-15 10:43:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-15 10:43:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:43:58,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:43:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-15 10:43:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-15 10:43:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 10:43:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 10:43:58,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 10:43:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 10:43:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 10:43:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 10:43:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 10:43:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 10:43:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 10:43:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-15 10:43:58,513 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-15 10:43:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-15 10:43:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-15 10:43:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 10:43:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-15 10:43:58,514 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-15 10:43:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-15 10:43:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-15 10:43:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 10:43:58,515 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 10:43:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-15 10:43:58,516 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-15 10:43:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-15 10:43:58,517 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-15 10:43:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-15 10:43:58,518 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-15 10:43:58,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-15 10:43:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-15 10:43:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-15 10:43:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-15 10:43:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-15 10:43:58,519 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-15 10:43:58,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-12-15 10:43:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 10:43:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 10:43:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 10:43:58,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-15 10:43:58,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-15 10:43:58,837 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:43:58,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:44:00,463 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 10:44:00,470 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 10:44:00,470 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 10:44:00,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:44:00 BoogieIcfgContainer [2021-12-15 10:44:00,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 10:44:00,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 10:44:00,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 10:44:00,477 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 10:44:00,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:43:56" (1/3) ... [2021-12-15 10:44:00,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b2662c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:44:00, skipping insertion in model container [2021-12-15 10:44:00,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:43:58" (2/3) ... [2021-12-15 10:44:00,478 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59b2662c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:44:00, skipping insertion in model container [2021-12-15 10:44:00,479 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:44:00" (3/3) ... [2021-12-15 10:44:00,480 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-12-15 10:44:00,484 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 10:44:00,484 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 10:44:00,524 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 10:44:00,529 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 10:44:00,530 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 10:44:00,550 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 254 states have internal predecessors, (337), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2021-12-15 10:44:00,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-15 10:44:00,556 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:44:00,557 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:44:00,557 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:44:00,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:44:00,562 INFO L85 PathProgramCache]: Analyzing trace with hash -597438168, now seen corresponding path program 1 times [2021-12-15 10:44:00,570 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-15 10:44:00,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143640472] [2021-12-15 10:44:00,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:44:00,572 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-15 10:44:00,657 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-15 10:44:00,658 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 10:44:00,662 INFO L158 Benchmark]: Toolchain (without parser) took 3888.22ms. Allocated memory was 88.1MB in the beginning and 182.5MB in the end (delta: 94.4MB). Free memory was 51.1MB in the beginning and 107.0MB in the end (delta: -55.9MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-12-15 10:44:00,663 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:44:00,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1378.03ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.9MB in the beginning and 57.6MB in the end (delta: -6.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2021-12-15 10:44:00,664 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.06ms. Allocated memory is still 107.0MB. Free memory was 57.6MB in the beginning and 49.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-15 10:44:00,665 INFO L158 Benchmark]: Boogie Preprocessor took 118.34ms. Allocated memory is still 107.0MB. Free memory was 48.7MB in the beginning and 41.9MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-15 10:44:00,665 INFO L158 Benchmark]: RCFGBuilder took 2059.97ms. Allocated memory was 107.0MB in the beginning and 182.5MB in the end (delta: 75.5MB). Free memory was 41.4MB in the beginning and 121.6MB in the end (delta: -80.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2021-12-15 10:44:00,666 INFO L158 Benchmark]: TraceAbstraction took 186.86ms. Allocated memory is still 182.5MB. Free memory was 121.6MB in the beginning and 107.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-15 10:44:00,668 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 88.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1378.03ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.9MB in the beginning and 57.6MB in the end (delta: -6.7MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.06ms. Allocated memory is still 107.0MB. Free memory was 57.6MB in the beginning and 49.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 118.34ms. Allocated memory is still 107.0MB. Free memory was 48.7MB in the beginning and 41.9MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2059.97ms. Allocated memory was 107.0MB in the beginning and 182.5MB in the end (delta: 75.5MB). Free memory was 41.4MB in the beginning and 121.6MB in the end (delta: -80.3MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. * TraceAbstraction took 186.86ms. Allocated memory is still 182.5MB. Free memory was 121.6MB in the beginning and 107.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. 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 10:44:00,703 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/ddv-machzwd/ddv_machzwd_all.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-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 32bit --witnessprinter.graph.data.programhash a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd --- Real Ultimate output --- This is Ultimate 0.2.2-3a877d227dc491413fd706022d0c47cd97beb353-3a877d2 [2021-12-15 10:44:02,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-15 10:44:02,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-15 10:44:02,695 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-15 10:44:02,695 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-15 10:44:02,698 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-15 10:44:02,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-15 10:44:02,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-15 10:44:02,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-15 10:44:02,714 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-15 10:44:02,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-15 10:44:02,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-15 10:44:02,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-15 10:44:02,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-15 10:44:02,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-15 10:44:02,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-15 10:44:02,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-15 10:44:02,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-15 10:44:02,737 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-15 10:44:02,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-15 10:44:02,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-15 10:44:02,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-15 10:44:02,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-15 10:44:02,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-15 10:44:02,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-15 10:44:02,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-15 10:44:02,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-15 10:44:02,758 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-15 10:44:02,759 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-15 10:44:02,760 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-15 10:44:02,760 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-15 10:44:02,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-15 10:44:02,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-15 10:44:02,762 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-15 10:44:02,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-15 10:44:02,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-15 10:44:02,764 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-15 10:44:02,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-15 10:44:02,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-15 10:44:02,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-15 10:44:02,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-15 10:44:02,768 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2021-12-15 10:44:02,797 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-15 10:44:02,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-15 10:44:02,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-15 10:44:02,799 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-15 10:44:02,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-15 10:44:02,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-15 10:44:02,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-15 10:44:02,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-15 10:44:02,801 INFO L138 SettingsManager]: * Use SBE=true [2021-12-15 10:44:02,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-15 10:44:02,802 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-15 10:44:02,802 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-15 10:44:02,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-15 10:44:02,803 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-15 10:44:02,803 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-15 10:44:02,803 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-15 10:44:02,803 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-15 10:44:02,803 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-15 10:44:02,804 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-15 10:44:02,804 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-15 10:44:02,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-15 10:44:02,804 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-15 10:44:02,804 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-15 10:44:02,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-15 10:44:02,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-15 10:44:02,810 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-15 10:44:02,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:44:02,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-15 10:44:02,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-15 10:44:02,811 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-15 10:44:02,811 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-15 10:44:02,811 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-15 10:44:02,812 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-15 10:44:02,812 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-15 10:44:02,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-15 10:44:02,812 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-15 10:44:02,812 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-15 10:44:02,813 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a564ea576763c13bfd3673da7d9fb82b1799f9ec9208539e745949eb812373cd [2021-12-15 10:44:03,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-15 10:44:03,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-15 10:44:03,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-15 10:44:03,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-15 10:44:03,157 INFO L275 PluginConnector]: CDTParser initialized [2021-12-15 10:44:03,158 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-12-15 10:44:03,226 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a74b0dba/9bcdf31e81ee4b0ab59c04c296094683/FLAG01f70db94 [2021-12-15 10:44:03,819 INFO L306 CDTParser]: Found 1 translation units. [2021-12-15 10:44:03,819 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_all.i [2021-12-15 10:44:03,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a74b0dba/9bcdf31e81ee4b0ab59c04c296094683/FLAG01f70db94 [2021-12-15 10:44:04,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a74b0dba/9bcdf31e81ee4b0ab59c04c296094683 [2021-12-15 10:44:04,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-15 10:44:04,059 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-15 10:44:04,061 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-15 10:44:04,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-15 10:44:04,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-15 10:44:04,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:44:04" (1/1) ... [2021-12-15 10:44:04,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b28c4d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:04, skipping insertion in model container [2021-12-15 10:44:04,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:44:04" (1/1) ... [2021-12-15 10:44:04,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-15 10:44:04,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:44:04,293 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/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-12-15 10:44:05,089 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:44:05,117 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-15 10:44:05,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-15 10:44:05,148 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/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-12-15 10:44:05,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:44:05,335 INFO L203 MainTranslator]: Completed pre-run [2021-12-15 10:44:05,344 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/ddv-machzwd/ddv_machzwd_all.i[452,465] [2021-12-15 10:44:05,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-15 10:44:05,683 INFO L208 MainTranslator]: Completed translation [2021-12-15 10:44:05,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05 WrapperNode [2021-12-15 10:44:05,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-15 10:44:05,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-15 10:44:05,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-15 10:44:05,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-15 10:44:05,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (1/1) ... [2021-12-15 10:44:05,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (1/1) ... [2021-12-15 10:44:05,850 INFO L137 Inliner]: procedures = 484, calls = 866, calls flagged for inlining = 55, calls inlined = 37, statements flattened = 984 [2021-12-15 10:44:05,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-15 10:44:05,851 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-15 10:44:05,851 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-15 10:44:05,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-15 10:44:05,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (1/1) ... [2021-12-15 10:44:05,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (1/1) ... [2021-12-15 10:44:05,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (1/1) ... [2021-12-15 10:44:05,877 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (1/1) ... [2021-12-15 10:44:05,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (1/1) ... [2021-12-15 10:44:05,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (1/1) ... [2021-12-15 10:44:05,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (1/1) ... [2021-12-15 10:44:05,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-15 10:44:05,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-15 10:44:05,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-15 10:44:05,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-15 10:44:05,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (1/1) ... [2021-12-15 10:44:05,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-15 10:44:05,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-15 10:44:05,997 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 10:44:06,031 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-12-15 10:44:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-12-15 10:44:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-15 10:44:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_UINT~X~C_ULONG~TO~C_INT [2021-12-15 10:44:06,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-12-15 10:44:06,032 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-12-15 10:44:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-15 10:44:06,033 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-15 10:44:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-15 10:44:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-12-15 10:44:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-15 10:44:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-15 10:44:06,033 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-15 10:44:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-15 10:44:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-12-15 10:44:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-12-15 10:44:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-12-15 10:44:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-12-15 10:44:06,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-12-15 10:44:06,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-12-15 10:44:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 10:44:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2021-12-15 10:44:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-15 10:44:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-12-15 10:44:06,035 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-12-15 10:44:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-15 10:44:06,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-15 10:44:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 10:44:06,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-15 10:44:06,036 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-12-15 10:44:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-12-15 10:44:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-12-15 10:44:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-12-15 10:44:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-15 10:44:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-15 10:44:06,037 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-12-15 10:44:06,037 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-12-15 10:44:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-15 10:44:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-15 10:44:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-15 10:44:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-15 10:44:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-15 10:44:06,038 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-15 10:44:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-12-15 10:44:06,039 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-12-15 10:44:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-15 10:44:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-15 10:44:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-15 10:44:06,040 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-15 10:44:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-15 10:44:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-12-15 10:44:06,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-12-15 10:44:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-15 10:44:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-12-15 10:44:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-15 10:44:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-15 10:44:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-12-15 10:44:06,042 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-12-15 10:44:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-15 10:44:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-15 10:44:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-15 10:44:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-15 10:44:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-12-15 10:44:06,043 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-12-15 10:44:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-12-15 10:44:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-12-15 10:44:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-12-15 10:44:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-12-15 10:44:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 10:44:06,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~$Pointer$~TO~C_LONG [2021-12-15 10:44:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-12-15 10:44:06,045 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-12-15 10:44:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2021-12-15 10:44:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-12-15 10:44:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-12-15 10:44:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-15 10:44:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-15 10:44:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 10:44:06,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_ULONG~TO~VOID [2021-12-15 10:44:06,024 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 10:44:06,386 INFO L236 CfgBuilder]: Building ICFG [2021-12-15 10:44:06,388 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-15 10:44:10,963 INFO L277 CfgBuilder]: Performing block encoding [2021-12-15 10:44:10,973 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-15 10:44:10,976 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-15 10:44:10,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:44:10 BoogieIcfgContainer [2021-12-15 10:44:10,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-15 10:44:10,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-15 10:44:10,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-15 10:44:10,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-15 10:44:10,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:44:04" (1/3) ... [2021-12-15 10:44:10,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3214cc6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:44:10, skipping insertion in model container [2021-12-15 10:44:10,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:44:05" (2/3) ... [2021-12-15 10:44:10,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3214cc6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:44:10, skipping insertion in model container [2021-12-15 10:44:10,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:44:10" (3/3) ... [2021-12-15 10:44:11,001 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_all.i [2021-12-15 10:44:11,007 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-15 10:44:11,007 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-15 10:44:11,051 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-15 10:44:11,056 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 10:44:11,057 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-15 10:44:11,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 358 states, 248 states have (on average 1.3588709677419355) internal successors, (337), 254 states have internal predecessors, (337), 81 states have call successors, (81), 27 states have call predecessors, (81), 27 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2021-12-15 10:44:11,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-15 10:44:11,090 INFO L506 BasicCegarLoop]: Found error trace [2021-12-15 10:44:11,091 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-15 10:44:11,092 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-15 10:44:11,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-15 10:44:11,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1903060071, now seen corresponding path program 1 times [2021-12-15 10:44:11,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-15 10:44:11,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [769142334] [2021-12-15 10:44:11,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-15 10:44:11,119 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-15 10:44:11,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2021-12-15 10:44:11,125 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 10:44:11,165 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 10:44:11,306 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 10:44:11,501 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 10:44:11,502 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 10:44:11,505 INFO L158 Benchmark]: Toolchain (without parser) took 7445.22ms. Allocated memory was 52.4MB in the beginning and 224.4MB in the end (delta: 172.0MB). Free memory was 25.2MB in the beginning and 136.9MB in the end (delta: -111.7MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2021-12-15 10:44:11,506 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-15 10:44:11,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1623.65ms. Allocated memory was 52.4MB in the beginning and 79.7MB in the end (delta: 27.3MB). Free memory was 25.0MB in the beginning and 38.8MB in the end (delta: -13.8MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2021-12-15 10:44:11,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 165.61ms. Allocated memory is still 79.7MB. Free memory was 38.8MB in the beginning and 30.0MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-15 10:44:11,507 INFO L158 Benchmark]: Boogie Preprocessor took 111.40ms. Allocated memory is still 79.7MB. Free memory was 30.0MB in the beginning and 42.8MB in the end (delta: -12.8MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-12-15 10:44:11,508 INFO L158 Benchmark]: RCFGBuilder took 5022.58ms. Allocated memory was 79.7MB in the beginning and 224.4MB in the end (delta: 144.7MB). Free memory was 42.8MB in the beginning and 157.7MB in the end (delta: -114.9MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2021-12-15 10:44:11,508 INFO L158 Benchmark]: TraceAbstraction took 516.53ms. Allocated memory is still 224.4MB. Free memory was 157.7MB in the beginning and 136.9MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-12-15 10:44:11,510 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 52.4MB. Free memory was 34.6MB in the beginning and 34.6MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1623.65ms. Allocated memory was 52.4MB in the beginning and 79.7MB in the end (delta: 27.3MB). Free memory was 25.0MB in the beginning and 38.8MB in the end (delta: -13.8MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 165.61ms. Allocated memory is still 79.7MB. Free memory was 38.8MB in the beginning and 30.0MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.40ms. Allocated memory is still 79.7MB. Free memory was 30.0MB in the beginning and 42.8MB in the end (delta: -12.8MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 5022.58ms. Allocated memory was 79.7MB in the beginning and 224.4MB in the end (delta: 144.7MB). Free memory was 42.8MB in the beginning and 157.7MB in the end (delta: -114.9MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * TraceAbstraction took 516.53ms. Allocated memory is still 224.4MB. Free memory was 157.7MB in the beginning and 136.9MB in the end (delta: 20.8MB). 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 10:44:11,544 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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable