./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem12_label44.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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/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 4590079a5f8946ec9488ef76281079c2cb860e2f88ad1b21eefdd23ad59a57f9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:52,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:52,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:52,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:52,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:52,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:52,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:52,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:52,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:53,006 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:53,008 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:53,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:53,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:53,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:53,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:53,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:53,022 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:53,023 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:53,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:53,028 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:53,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:53,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:53,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:53,034 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:53,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:53,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:53,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:53,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:53,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:53,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:53,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:53,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:53,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:53,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:53,046 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:53,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:53,047 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:53,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:53,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:53,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:53,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:53,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:02:53,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:53,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:53,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:53,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:53,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:53,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:53,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:53,075 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:53,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:53,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:53,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:53,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:53,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:53,077 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:53,077 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:53,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:53,077 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:53,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:53,078 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:53,078 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:53,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:53,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:53,078 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:53,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:53,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:53,079 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:53,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:53,079 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:53,080 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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4590079a5f8946ec9488ef76281079c2cb860e2f88ad1b21eefdd23ad59a57f9 [2021-11-23 15:02:53,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:53,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:53,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:53,371 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:53,372 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:53,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem12_label44.c [2021-11-23 15:02:53,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/data/fd48fca72/5a36c36fb9d64fe4bc60031de77cbd40/FLAGb5156b4fc [2021-11-23 15:02:54,306 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:54,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/sv-benchmarks/c/eca-rers2012/Problem12_label44.c [2021-11-23 15:02:54,353 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/data/fd48fca72/5a36c36fb9d64fe4bc60031de77cbd40/FLAGb5156b4fc [2021-11-23 15:02:54,804 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/data/fd48fca72/5a36c36fb9d64fe4bc60031de77cbd40 [2021-11-23 15:02:54,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:54,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:54,810 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:54,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:54,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:54,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e38a80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:54, skipping insertion in model container [2021-11-23 15:02:54,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:54" (1/1) ... [2021-11-23 15:02:54,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:54,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:55,311 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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/sv-benchmarks/c/eca-rers2012/Problem12_label44.c[6250,6263] [2021-11-23 15:02:56,494 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:56,503 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:56,530 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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/sv-benchmarks/c/eca-rers2012/Problem12_label44.c[6250,6263] [2021-11-23 15:02:57,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:57,276 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:57,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57 WrapperNode [2021-11-23 15:02:57,277 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:57,278 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:57,278 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:57,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:57,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:57,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:57,725 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4757 [2021-11-23 15:02:57,725 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:57,726 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:57,727 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:57,727 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:57,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:57,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:57,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:57,814 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,202 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:58,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:58,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:58,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:58,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:57" (1/1) ... [2021-11-23 15:02:58,423 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:58,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:58,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:58,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:58,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:58,608 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:58,610 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:03,425 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:03,477 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 15:03:03,482 INFO L158 Benchmark]: Toolchain (without parser) took 8672.76ms. Allocated memory was 123.7MB in the beginning and 474.0MB in the end (delta: 350.2MB). Free memory was 78.2MB in the beginning and 248.8MB in the end (delta: -170.6MB). Peak memory consumption was 279.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:03,483 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:03,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2466.94ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 78.0MB in the beginning and 78.3MB in the end (delta: -326.9kB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:03,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 447.72ms. Allocated memory is still 153.1MB. Free memory was 78.3MB in the beginning and 59.2MB in the end (delta: 19.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2021-11-23 15:03:03,486 INFO L158 Benchmark]: Boogie Preprocessor took 686.65ms. Allocated memory was 153.1MB in the beginning and 262.1MB in the end (delta: 109.1MB). Free memory was 59.2MB in the beginning and 147.1MB in the end (delta: -87.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:03,486 INFO L158 Benchmark]: RCFGBuilder took 5065.74ms. Allocated memory was 262.1MB in the beginning and 474.0MB in the end (delta: 211.8MB). Free memory was 147.1MB in the beginning and 248.8MB in the end (delta: -101.7MB). Peak memory consumption was 211.6MB. Max. memory is 16.1GB. [2021-11-23 15:03:03,490 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2466.94ms. Allocated memory was 123.7MB in the beginning and 153.1MB in the end (delta: 29.4MB). Free memory was 78.0MB in the beginning and 78.3MB in the end (delta: -326.9kB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 447.72ms. Allocated memory is still 153.1MB. Free memory was 78.3MB in the beginning and 59.2MB in the end (delta: 19.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 686.65ms. Allocated memory was 153.1MB in the beginning and 262.1MB in the end (delta: 109.1MB). Free memory was 59.2MB in the beginning and 147.1MB in the end (delta: -87.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 5065.74ms. Allocated memory was 262.1MB in the beginning and 474.0MB in the end (delta: 211.8MB). Free memory was 147.1MB in the beginning and 248.8MB in the end (delta: -101.7MB). Peak memory consumption was 211.6MB. 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 15:03:03,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem12_label44.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/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 4590079a5f8946ec9488ef76281079c2cb860e2f88ad1b21eefdd23ad59a57f9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:05,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:05,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:05,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:05,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:05,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:05,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:05,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:05,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:05,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:05,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:05,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:05,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:05,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:05,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:05,971 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:05,972 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:05,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:05,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:05,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:05,985 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:05,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:05,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:05,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:06,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:06,001 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:06,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:06,003 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:06,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:06,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:06,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:06,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:06,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:06,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:06,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:06,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:06,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:06,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:06,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:06,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:06,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:06,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:03:06,062 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:06,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:06,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:06,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:06,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:06,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:06,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:06,066 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:06,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:06,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:06,068 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:06,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:06,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:06,069 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:03:06,069 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:03:06,069 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:03:06,069 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:06,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:06,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:06,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:06,070 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:06,071 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:06,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:06,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:06,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:06,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:06,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:06,072 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:03:06,072 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:03:06,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:06,073 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:03:06,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:03:06,073 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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4590079a5f8946ec9488ef76281079c2cb860e2f88ad1b21eefdd23ad59a57f9 [2021-11-23 15:03:06,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:06,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:06,544 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:06,546 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:06,547 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:06,550 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem12_label44.c [2021-11-23 15:03:06,621 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/data/b840e06c3/0859f7e203c0445dbf8efa699ea86387/FLAG007d059d8 [2021-11-23 15:03:07,500 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:07,502 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/sv-benchmarks/c/eca-rers2012/Problem12_label44.c [2021-11-23 15:03:07,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/data/b840e06c3/0859f7e203c0445dbf8efa699ea86387/FLAG007d059d8 [2021-11-23 15:03:08,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/data/b840e06c3/0859f7e203c0445dbf8efa699ea86387 [2021-11-23 15:03:08,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:08,005 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:08,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:08,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:08,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:08,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:08" (1/1) ... [2021-11-23 15:03:08,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bedaad6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:08, skipping insertion in model container [2021-11-23 15:03:08,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:08" (1/1) ... [2021-11-23 15:03:08,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:08,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:08,434 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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/sv-benchmarks/c/eca-rers2012/Problem12_label44.c[6250,6263] [2021-11-23 15:03:09,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:09,540 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:03:09,596 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_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/sv-benchmarks/c/eca-rers2012/Problem12_label44.c[6250,6263] [2021-11-23 15:03:10,280 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:10,309 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:03:10,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10 WrapperNode [2021-11-23 15:03:10,310 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:10,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:10,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:03:10,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:03:10,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,645 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 4752 [2021-11-23 15:03:10,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:03:10,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:03:10,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:03:10,648 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:03:10,655 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:10,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:03:11,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:03:11,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:03:11,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:03:11,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:10" (1/1) ... [2021-11-23 15:03:11,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:11,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:03:11,061 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:03:11,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:03:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:03:11,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:03:11,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:03:11,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:03:11,286 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:03:11,288 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:03:40,295 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:03:40,347 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 15:03:40,353 INFO L158 Benchmark]: Toolchain (without parser) took 32346.75ms. Allocated memory was 69.2MB in the beginning and 327.2MB in the end (delta: 257.9MB). Free memory was 34.3MB in the beginning and 148.0MB in the end (delta: -113.7MB). Peak memory consumption was 164.7MB. Max. memory is 16.1GB. [2021-11-23 15:03:40,354 INFO L158 Benchmark]: CDTParser took 1.92ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:03:40,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2302.79ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 34.1MB in the beginning and 52.3MB in the end (delta: -18.2MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2021-11-23 15:03:40,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 334.09ms. Allocated memory is still 107.0MB. Free memory was 52.3MB in the beginning and 37.9MB in the end (delta: 14.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:40,357 INFO L158 Benchmark]: Boogie Preprocessor took 374.45ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 37.9MB in the beginning and 79.6MB in the end (delta: -41.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-23 15:03:40,359 INFO L158 Benchmark]: RCFGBuilder took 29326.76ms. Allocated memory was 163.6MB in the beginning and 327.2MB in the end (delta: 163.6MB). Free memory was 79.6MB in the beginning and 148.0MB in the end (delta: -68.3MB). Peak memory consumption was 117.1MB. Max. memory is 16.1GB. [2021-11-23 15:03:40,364 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.92ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 49.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2302.79ms. Allocated memory was 69.2MB in the beginning and 107.0MB in the end (delta: 37.7MB). Free memory was 34.1MB in the beginning and 52.3MB in the end (delta: -18.2MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 334.09ms. Allocated memory is still 107.0MB. Free memory was 52.3MB in the beginning and 37.9MB in the end (delta: 14.4MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 374.45ms. Allocated memory was 107.0MB in the beginning and 163.6MB in the end (delta: 56.6MB). Free memory was 37.9MB in the beginning and 79.6MB in the end (delta: -41.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * RCFGBuilder took 29326.76ms. Allocated memory was 163.6MB in the beginning and 327.2MB in the end (delta: 163.6MB). Free memory was 79.6MB in the beginning and 148.0MB in the end (delta: -68.3MB). Peak memory consumption was 117.1MB. 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 15:03:40,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_829e3413-928c-4b63-93b2-1b8e0a0ae6f3/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