./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label06.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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/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 70a723347c995e7e314d216fc05cfac14389fb76f31fa273b09514d7bf2a1a92 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:20,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:20,591 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:20,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:20,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:20,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:20,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:20,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:20,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:20,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:20,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:20,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:20,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:20,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:20,706 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:20,714 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:20,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:20,719 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:20,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:20,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:20,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:20,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:20,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:20,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:20,761 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:20,762 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:20,762 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:20,765 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:20,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:20,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:20,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:20,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:20,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:20,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:20,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:20,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:20,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:20,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:20,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:20,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:20,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:20,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:30:20,836 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:20,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:20,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:20,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:20,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:20,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:20,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:20,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:20,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:20,849 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:20,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:20,851 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:20,851 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:20,851 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:20,852 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:20,852 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:20,852 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:20,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:20,853 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:20,853 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:20,853 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:20,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:20,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:20,854 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:20,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:20,855 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:30:20,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:30:20,855 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:20,856 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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70a723347c995e7e314d216fc05cfac14389fb76f31fa273b09514d7bf2a1a92 [2021-11-23 15:30:21,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:21,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:21,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:21,304 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:21,305 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:21,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label06.c [2021-11-23 15:30:21,412 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/data/1a66d22f4/cb9103c825e2424da960f8bc6fcd5cbc/FLAG5aa230802 [2021-11-23 15:30:22,495 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:22,497 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/sv-benchmarks/c/eca-rers2012/Problem04_label06.c [2021-11-23 15:30:22,550 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/data/1a66d22f4/cb9103c825e2424da960f8bc6fcd5cbc/FLAG5aa230802 [2021-11-23 15:30:22,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/data/1a66d22f4/cb9103c825e2424da960f8bc6fcd5cbc [2021-11-23 15:30:22,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:22,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:22,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:22,860 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:22,864 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:22,865 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:22" (1/1) ... [2021-11-23 15:30:22,867 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb5241c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:22, skipping insertion in model container [2021-11-23 15:30:22,867 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:22" (1/1) ... [2021-11-23 15:30:22,876 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:23,052 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:24,801 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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/sv-benchmarks/c/eca-rers2012/Problem04_label06.c[177050,177063] [2021-11-23 15:30:24,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:24,851 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:25,759 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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/sv-benchmarks/c/eca-rers2012/Problem04_label06.c[177050,177063] [2021-11-23 15:30:25,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:25,816 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:25,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25 WrapperNode [2021-11-23 15:30:25,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:25,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:25,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:25,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:25,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:25,911 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:26,113 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:30:26,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:26,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:26,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:26,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:26,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:26,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:26,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:26,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:26,375 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:26,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:26,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:26,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:26,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:26,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:26,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:26,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:25" (1/1) ... [2021-11-23 15:30:26,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:26,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:26,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:26,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:30:26,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:26,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:26,832 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:26,834 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:32,298 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:32,378 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 15:30:32,383 INFO L158 Benchmark]: Toolchain (without parser) took 9526.83ms. Allocated memory was 132.1MB in the beginning and 448.8MB in the end (delta: 316.7MB). Free memory was 82.8MB in the beginning and 279.7MB in the end (delta: -196.9MB). Peak memory consumption was 166.3MB. Max. memory is 16.1GB. [2021-11-23 15:30:32,388 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:32,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2958.35ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 82.6MB in the beginning and 110.1MB in the end (delta: -27.5MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2021-11-23 15:30:32,392 INFO L158 Benchmark]: Boogie Procedure Inliner took 294.51ms. Allocated memory is still 169.9MB. Free memory was 110.1MB in the beginning and 72.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-23 15:30:32,394 INFO L158 Benchmark]: Boogie Preprocessor took 482.31ms. Allocated memory is still 169.9MB. Free memory was 72.3MB in the beginning and 84.7MB in the end (delta: -12.4MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. [2021-11-23 15:30:32,395 INFO L158 Benchmark]: RCFGBuilder took 5783.72ms. Allocated memory was 169.9MB in the beginning and 448.8MB in the end (delta: 278.9MB). Free memory was 84.7MB in the beginning and 279.7MB in the end (delta: -195.0MB). Peak memory consumption was 130.0MB. Max. memory is 16.1GB. [2021-11-23 15:30:32,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 90.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2958.35ms. Allocated memory was 132.1MB in the beginning and 169.9MB in the end (delta: 37.7MB). Free memory was 82.6MB in the beginning and 110.1MB in the end (delta: -27.5MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 294.51ms. Allocated memory is still 169.9MB. Free memory was 110.1MB in the beginning and 72.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 482.31ms. Allocated memory is still 169.9MB. Free memory was 72.3MB in the beginning and 84.7MB in the end (delta: -12.4MB). Peak memory consumption was 43.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5783.72ms. Allocated memory was 169.9MB in the beginning and 448.8MB in the end (delta: 278.9MB). Free memory was 84.7MB in the beginning and 279.7MB in the end (delta: -195.0MB). Peak memory consumption was 130.0MB. 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 15:30:32,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/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 70a723347c995e7e314d216fc05cfac14389fb76f31fa273b09514d7bf2a1a92 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:35,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:35,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:35,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:35,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:35,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:35,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:35,604 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:35,606 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:35,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:35,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:35,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:35,611 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:35,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:35,615 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:35,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:35,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:35,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:35,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:35,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:35,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:35,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:35,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:35,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:35,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:35,654 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:35,655 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:35,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:35,660 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:35,661 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:35,663 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:35,664 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:35,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:35,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:35,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:35,688 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:35,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:35,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:35,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:35,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:35,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:35,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:30:35,760 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:35,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:35,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:30:35,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:30:35,764 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:35,764 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:35,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:35,765 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:35,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:35,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:35,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:30:35,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:35,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:30:35,767 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:30:35,767 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:30:35,768 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:30:35,768 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:35,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:30:35,768 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:35,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:30:35,769 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:35,769 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:35,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:35,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:35,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:35,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:35,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:30:35,771 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:30:35,771 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:30:35,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:30:35,771 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:30:35,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:30:35,772 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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70a723347c995e7e314d216fc05cfac14389fb76f31fa273b09514d7bf2a1a92 [2021-11-23 15:30:36,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:36,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:36,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:36,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:36,298 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:36,300 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label06.c [2021-11-23 15:30:36,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/data/7e569de68/2ce8700cd42247b1921fd8d786878732/FLAG21e2aeeef [2021-11-23 15:30:37,609 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:37,611 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/sv-benchmarks/c/eca-rers2012/Problem04_label06.c [2021-11-23 15:30:37,652 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/data/7e569de68/2ce8700cd42247b1921fd8d786878732/FLAG21e2aeeef [2021-11-23 15:30:37,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/data/7e569de68/2ce8700cd42247b1921fd8d786878732 [2021-11-23 15:30:37,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:37,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:37,956 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:37,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:37,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:37,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:37" (1/1) ... [2021-11-23 15:30:37,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34445776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:37, skipping insertion in model container [2021-11-23 15:30:37,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:37" (1/1) ... [2021-11-23 15:30:37,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:38,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:39,800 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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/sv-benchmarks/c/eca-rers2012/Problem04_label06.c[177050,177063] [2021-11-23 15:30:39,839 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:39,857 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:40,794 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_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/sv-benchmarks/c/eca-rers2012/Problem04_label06.c[177050,177063] [2021-11-23 15:30:40,818 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:40,860 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:40,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40 WrapperNode [2021-11-23 15:30:40,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:40,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:40,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:40,863 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:40,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:40,957 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:41,360 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:30:41,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:41,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:41,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:41,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:41,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:41,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:41,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:41,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:41,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:41,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:41,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:41,929 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:41,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:41,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:41,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:41,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:40" (1/1) ... [2021-11-23 15:30:41,945 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:41,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:41,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:42,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:42,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:30:42,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:42,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:42,191 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:42,193 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:49,617 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:49,714 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 15:30:49,723 INFO L158 Benchmark]: Toolchain (without parser) took 11771.62ms. Allocated memory was 60.8MB in the beginning and 306.2MB in the end (delta: 245.4MB). Free memory was 36.2MB in the beginning and 91.1MB in the end (delta: -54.9MB). Peak memory consumption was 190.0MB. Max. memory is 16.1GB. [2021-11-23 15:30:49,724 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 60.8MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:49,726 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2906.11ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 36.0MB in the beginning and 47.2MB in the end (delta: -11.2MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2021-11-23 15:30:49,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 498.37ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 47.2MB in the beginning and 87.1MB in the end (delta: -39.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-11-23 15:30:49,728 INFO L158 Benchmark]: Boogie Preprocessor took 566.92ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 78.1MB in the end (delta: 8.4MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2021-11-23 15:30:49,730 INFO L158 Benchmark]: RCFGBuilder took 7787.67ms. Allocated memory was 153.1MB in the beginning and 306.2MB in the end (delta: 153.1MB). Free memory was 78.1MB in the beginning and 91.1MB in the end (delta: -13.0MB). Peak memory consumption was 139.0MB. Max. memory is 16.1GB. [2021-11-23 15:30:49,736 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 60.8MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2906.11ms. Allocated memory was 60.8MB in the beginning and 107.0MB in the end (delta: 46.1MB). Free memory was 36.0MB in the beginning and 47.2MB in the end (delta: -11.2MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 498.37ms. Allocated memory was 107.0MB in the beginning and 153.1MB in the end (delta: 46.1MB). Free memory was 47.2MB in the beginning and 87.1MB in the end (delta: -39.9MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 566.92ms. Allocated memory is still 153.1MB. Free memory was 86.5MB in the beginning and 78.1MB in the end (delta: 8.4MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. * RCFGBuilder took 7787.67ms. Allocated memory was 153.1MB in the beginning and 306.2MB in the end (delta: 153.1MB). Free memory was 78.1MB in the beginning and 91.1MB in the end (delta: -13.0MB). Peak memory consumption was 139.0MB. 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 15:30:49,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_543b2037-c6e7-4ef2-aa26-779a7c51f9c4/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