./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1405ce2683e9fc1142823331bc73f3fedb50a2caefebf44893a593622c3225ed --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:20,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:20,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:20,337 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:20,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:20,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:20,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:20,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:20,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:20,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:20,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:20,361 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:20,361 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:20,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:20,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:20,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:20,374 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:20,375 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:20,378 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:20,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:20,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:20,387 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:20,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:20,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:20,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:20,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:20,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:20,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:20,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:20,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:20,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:20,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:20,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:20,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:20,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:20,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:20,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:20,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:20,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:20,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:20,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:20,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:06:20,467 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:20,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:20,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:20,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:20,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:20,469 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:20,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:20,470 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:20,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:06:20,470 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:20,471 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:20,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:20,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:20,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:20,472 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:20,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:20,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:20,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:20,473 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:20,473 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:20,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:20,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:20,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:20,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:20,475 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:20,475 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:06:20,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:06:20,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:20,476 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1405ce2683e9fc1142823331bc73f3fedb50a2caefebf44893a593622c3225ed [2021-11-23 15:06:20,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:20,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:20,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:20,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:20,895 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:20,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem03_label20.c [2021-11-23 15:06:20,995 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/data/2627abede/a2eed00c62a649a7a95db222e38390e7/FLAG3eb22bd27 [2021-11-23 15:06:21,714 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:21,716 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/sv-benchmarks/c/eca-rers2012/Problem03_label20.c [2021-11-23 15:06:21,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/data/2627abede/a2eed00c62a649a7a95db222e38390e7/FLAG3eb22bd27 [2021-11-23 15:06:21,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/data/2627abede/a2eed00c62a649a7a95db222e38390e7 [2021-11-23 15:06:21,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:21,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:21,874 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:21,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:21,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:21,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:21" (1/1) ... [2021-11-23 15:06:21,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61281cef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:21, skipping insertion in model container [2021-11-23 15:06:21,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:21" (1/1) ... [2021-11-23 15:06:21,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:22,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:22,807 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/sv-benchmarks/c/eca-rers2012/Problem03_label20.c[60555,60568] [2021-11-23 15:06:22,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:22,853 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:23,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/sv-benchmarks/c/eca-rers2012/Problem03_label20.c[60555,60568] [2021-11-23 15:06:23,133 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:23,152 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:23,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23 WrapperNode [2021-11-23 15:06:23,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:23,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:23,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:23,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:23,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,304 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771 [2021-11-23 15:06:23,305 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:23,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:23,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:23,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:23,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:23,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:23,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:23,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:23,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:23" (1/1) ... [2021-11-23 15:06:23,527 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:23,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:23,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:23,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:06:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:23,707 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:23,709 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:25,739 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:25,777 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:06:25,785 INFO L158 Benchmark]: Toolchain (without parser) took 3912.92ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 99.8MB in the beginning and 115.2MB in the end (delta: -15.4MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2021-11-23 15:06:25,787 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 44.3MB in the beginning and 44.3MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:25,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1279.79ms. Allocated memory is still 138.4MB. Free memory was 99.5MB in the beginning and 62.5MB in the end (delta: 37.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-23 15:06:25,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 150.96ms. Allocated memory is still 138.4MB. Free memory was 62.5MB in the beginning and 47.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:06:25,791 INFO L158 Benchmark]: Boogie Preprocessor took 210.25ms. Allocated memory is still 138.4MB. Free memory was 47.8MB in the beginning and 100.7MB in the end (delta: -52.9MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2021-11-23 15:06:25,792 INFO L158 Benchmark]: RCFGBuilder took 2265.18ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 100.7MB in the beginning and 115.2MB in the end (delta: -14.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2021-11-23 15:06:25,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 88.1MB. Free memory was 44.3MB in the beginning and 44.3MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1279.79ms. Allocated memory is still 138.4MB. Free memory was 99.5MB in the beginning and 62.5MB in the end (delta: 37.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 150.96ms. Allocated memory is still 138.4MB. Free memory was 62.5MB in the beginning and 47.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 210.25ms. Allocated memory is still 138.4MB. Free memory was 47.8MB in the beginning and 100.7MB in the end (delta: -52.9MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * RCFGBuilder took 2265.18ms. Allocated memory was 138.4MB in the beginning and 203.4MB in the end (delta: 65.0MB). Free memory was 100.7MB in the beginning and 115.2MB in the end (delta: -14.5MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:06:25,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1405ce2683e9fc1142823331bc73f3fedb50a2caefebf44893a593622c3225ed --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:06:28,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:06:28,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:06:28,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:06:28,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:06:28,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:06:28,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:06:28,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:06:28,666 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:06:28,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:06:28,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:06:28,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:06:28,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:06:28,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:06:28,685 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:06:28,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:06:28,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:06:28,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:06:28,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:06:28,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:06:28,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:06:28,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:06:28,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:06:28,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:06:28,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:06:28,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:06:28,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:06:28,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:06:28,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:06:28,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:06:28,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:06:28,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:06:28,735 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:06:28,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:06:28,737 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:06:28,738 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:06:28,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:06:28,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:06:28,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:06:28,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:06:28,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:06:28,743 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:06:28,793 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:06:28,793 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:06:28,794 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:06:28,795 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:06:28,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:06:28,796 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:06:28,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:06:28,797 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:06:28,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:06:28,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:06:28,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:06:28,798 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:06:28,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:06:28,799 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:06:28,799 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:06:28,799 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:06:28,799 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:06:28,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:06:28,800 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:06:28,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:06:28,800 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:06:28,800 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:06:28,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:06:28,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:28,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:06:28,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:06:28,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:06:28,802 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:06:28,802 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:06:28,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:06:28,802 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:06:28,803 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:06:28,803 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1405ce2683e9fc1142823331bc73f3fedb50a2caefebf44893a593622c3225ed [2021-11-23 15:06:29,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:06:29,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:06:29,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:06:29,365 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:06:29,366 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:06:29,369 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem03_label20.c [2021-11-23 15:06:29,443 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/data/5cd0c2cf7/00e2a3d9cc7c4fa094e45663ad101fe4/FLAGe4b169f5c [2021-11-23 15:06:30,272 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:06:30,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/sv-benchmarks/c/eca-rers2012/Problem03_label20.c [2021-11-23 15:06:30,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/data/5cd0c2cf7/00e2a3d9cc7c4fa094e45663ad101fe4/FLAGe4b169f5c [2021-11-23 15:06:30,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/data/5cd0c2cf7/00e2a3d9cc7c4fa094e45663ad101fe4 [2021-11-23 15:06:30,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:06:30,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:06:30,469 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:30,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:06:30,474 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:06:30,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:30" (1/1) ... [2021-11-23 15:06:30,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b3332f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:30, skipping insertion in model container [2021-11-23 15:06:30,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:06:30" (1/1) ... [2021-11-23 15:06:30,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:06:30,582 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:06:31,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/sv-benchmarks/c/eca-rers2012/Problem03_label20.c[60555,60568] [2021-11-23 15:06:31,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:31,451 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:06:31,782 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/sv-benchmarks/c/eca-rers2012/Problem03_label20.c[60555,60568] [2021-11-23 15:06:31,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:31,819 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:31,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31 WrapperNode [2021-11-23 15:06:31,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:31,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:31,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:31,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:31,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31" (1/1) ... [2021-11-23 15:06:31,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31" (1/1) ... [2021-11-23 15:06:32,033 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1769 [2021-11-23 15:06:32,034 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:32,035 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:32,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:32,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:32,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31" (1/1) ... [2021-11-23 15:06:32,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31" (1/1) ... [2021-11-23 15:06:32,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31" (1/1) ... [2021-11-23 15:06:32,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31" (1/1) ... [2021-11-23 15:06:32,141 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31" (1/1) ... [2021-11-23 15:06:32,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31" (1/1) ... [2021-11-23 15:06:32,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31" (1/1) ... [2021-11-23 15:06:32,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:32,203 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:32,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:32,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:32,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:31" (1/1) ... [2021-11-23 15:06:32,215 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:32,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:32,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:32,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:06:32,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:32,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:32,416 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:32,418 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:35,040 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:35,104 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2021-11-23 15:06:35,109 INFO L158 Benchmark]: Toolchain (without parser) took 4643.06ms. Allocated memory was 83.9MB in the beginning and 172.0MB in the end (delta: 88.1MB). Free memory was 65.4MB in the beginning and 100.8MB in the end (delta: -35.4MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2021-11-23 15:06:35,114 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:35,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1351.40ms. Allocated memory is still 83.9MB. Free memory was 65.2MB in the beginning and 35.7MB in the end (delta: 29.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2021-11-23 15:06:35,118 INFO L158 Benchmark]: Boogie Procedure Inliner took 212.28ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 35.7MB in the beginning and 75.5MB in the end (delta: -39.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-23 15:06:35,120 INFO L158 Benchmark]: Boogie Preprocessor took 166.11ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 65.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:35,122 INFO L158 Benchmark]: RCFGBuilder took 2903.21ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 65.1MB in the beginning and 100.8MB in the end (delta: -35.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. [2021-11-23 15:06:35,132 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory is still 65.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1351.40ms. Allocated memory is still 83.9MB. Free memory was 65.2MB in the beginning and 35.7MB in the end (delta: 29.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 212.28ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 35.7MB in the beginning and 75.5MB in the end (delta: -39.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 166.11ms. Allocated memory is still 111.1MB. Free memory was 75.5MB in the beginning and 65.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2903.21ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 65.1MB in the beginning and 100.8MB in the end (delta: -35.7MB). Peak memory consumption was 40.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:06:35,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_408c3c6f-caf3-4d01-bad4-6ade63e9691a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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