./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label03.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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/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 38485e244c681c1fbb49eda40c64ac8e945460513c205b9d5f83ef411865faaa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:44,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:44,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:44,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:44,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:44,559 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:44,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:44,566 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:44,570 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:44,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:44,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:44,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:44,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:44,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:44,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:44,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:44,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:44,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:44,599 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:44,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:44,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:44,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:44,607 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:44,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:44,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:44,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:44,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:44,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:44,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:44,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:44,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:44,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:44,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:44,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:44,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:44,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:44,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:44,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:44,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:44,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:44,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:44,627 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:41:44,668 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:44,668 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:44,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:44,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:44,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:44,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:44,672 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:44,672 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:41:44,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:41:44,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:41:44,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:44,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:44,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:44,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:44,681 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:41:44,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:44,682 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:44,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:44,682 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:44,682 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:44,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:44,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:44,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:44,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:44,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:44,683 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:41:44,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:41:44,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:44,684 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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38485e244c681c1fbb49eda40c64ac8e945460513c205b9d5f83ef411865faaa [2021-11-23 15:41:44,975 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:44,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:45,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:45,002 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:45,003 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:45,005 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label03.c [2021-11-23 15:41:45,090 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/data/160a29763/193ed92f670842b38b625e9ab1279f2e/FLAG0bf26a357 [2021-11-23 15:41:46,057 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:46,059 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/sv-benchmarks/c/eca-rers2012/Problem18_label03.c [2021-11-23 15:41:46,103 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/data/160a29763/193ed92f670842b38b625e9ab1279f2e/FLAG0bf26a357 [2021-11-23 15:41:46,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/data/160a29763/193ed92f670842b38b625e9ab1279f2e [2021-11-23 15:41:46,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:46,529 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:46,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:46,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:46,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:46,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:46" (1/1) ... [2021-11-23 15:41:46,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bddf889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:46, skipping insertion in model container [2021-11-23 15:41:46,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:46" (1/1) ... [2021-11-23 15:41:46,547 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:46,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:46,965 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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/sv-benchmarks/c/eca-rers2012/Problem18_label03.c[1533,1546] [2021-11-23 15:41:48,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:48,141 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:41:48,179 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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/sv-benchmarks/c/eca-rers2012/Problem18_label03.c[1533,1546] [2021-11-23 15:41:48,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:41:48,774 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:41:48,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48 WrapperNode [2021-11-23 15:41:48,776 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:48,777 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:48,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:41:48,779 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:41:48,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:48,859 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:49,145 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4132 [2021-11-23 15:41:49,146 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:41:49,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:41:49,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:41:49,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:41:49,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:49,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:49,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:49,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:49,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:49,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:49,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:49,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:41:49,473 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:41:49,473 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:41:49,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:41:49,475 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:49,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:49,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:41:49,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:41:49,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:41:49,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:41:49,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:41:49,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:41:49,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:41:49,643 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:41:49,645 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:41:53,913 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:41:53,965 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 15:41:53,972 INFO L158 Benchmark]: Toolchain (without parser) took 7441.00ms. Allocated memory was 111.1MB in the beginning and 352.3MB in the end (delta: 241.2MB). Free memory was 70.7MB in the beginning and 171.3MB in the end (delta: -100.6MB). Peak memory consumption was 140.2MB. Max. memory is 16.1GB. [2021-11-23 15:41:53,973 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:53,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2245.36ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 70.7MB in the beginning and 86.7MB in the end (delta: -16.0MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2021-11-23 15:41:53,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 368.82ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 86.7MB in the beginning and 131.5MB in the end (delta: -44.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. [2021-11-23 15:41:53,976 INFO L158 Benchmark]: Boogie Preprocessor took 323.02ms. Allocated memory is still 203.4MB. Free memory was 131.5MB in the beginning and 116.6MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:41:53,977 INFO L158 Benchmark]: RCFGBuilder took 4496.74ms. Allocated memory was 203.4MB in the beginning and 352.3MB in the end (delta: 148.9MB). Free memory was 116.2MB in the beginning and 171.3MB in the end (delta: -55.1MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2021-11-23 15:41:53,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 66.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2245.36ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 70.7MB in the beginning and 86.7MB in the end (delta: -16.0MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 368.82ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 86.7MB in the beginning and 131.5MB in the end (delta: -44.8MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 323.02ms. Allocated memory is still 203.4MB. Free memory was 131.5MB in the beginning and 116.6MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 4496.74ms. Allocated memory was 203.4MB in the beginning and 352.3MB in the end (delta: 148.9MB). Free memory was 116.2MB in the beginning and 171.3MB in the end (delta: -55.1MB). Peak memory consumption was 95.1MB. 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 15:41:54,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/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 38485e244c681c1fbb49eda40c64ac8e945460513c205b9d5f83ef411865faaa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:56,868 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:56,871 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:56,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:56,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:56,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:56,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:56,950 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:56,954 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:56,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:56,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:56,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:56,969 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:56,973 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:56,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:56,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:56,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:56,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:56,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:56,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:57,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:57,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:57,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:57,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:57,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:57,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:57,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:57,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:57,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:57,025 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:57,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:57,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:57,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:57,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:57,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:57,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:57,052 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:57,052 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:57,053 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:57,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:57,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:57,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:41:57,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:57,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:57,119 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:57,119 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:57,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:57,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:57,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:57,123 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:41:57,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:41:57,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:57,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:57,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:57,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:57,125 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:41:57,126 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:41:57,126 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:41:57,126 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:41:57,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:57,127 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:57,127 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:57,127 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:57,128 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:57,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:57,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:57,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:57,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:57,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:57,130 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:41:57,130 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:41:57,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:57,130 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:41:57,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:41:57,131 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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38485e244c681c1fbb49eda40c64ac8e945460513c205b9d5f83ef411865faaa [2021-11-23 15:41:57,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:57,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:57,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:57,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:57,664 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:57,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label03.c [2021-11-23 15:41:57,776 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/data/aa0763e5a/b75bb7a4b1b84a02b74a63837dc3a788/FLAGd13dea5de [2021-11-23 15:41:58,864 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:58,865 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/sv-benchmarks/c/eca-rers2012/Problem18_label03.c [2021-11-23 15:41:58,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/data/aa0763e5a/b75bb7a4b1b84a02b74a63837dc3a788/FLAGd13dea5de [2021-11-23 15:41:59,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/data/aa0763e5a/b75bb7a4b1b84a02b74a63837dc3a788 [2021-11-23 15:41:59,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:59,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:59,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:59,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:59,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:59,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:59" (1/1) ... [2021-11-23 15:41:59,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3d27e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:59, skipping insertion in model container [2021-11-23 15:41:59,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:59" (1/1) ... [2021-11-23 15:41:59,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:59,495 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:41:59,740 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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/sv-benchmarks/c/eca-rers2012/Problem18_label03.c[1533,1546] [2021-11-23 15:42:01,011 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:01,027 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:01,058 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_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/sv-benchmarks/c/eca-rers2012/Problem18_label03.c[1533,1546] [2021-11-23 15:42:01,772 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:01,802 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:01,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01 WrapperNode [2021-11-23 15:42:01,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:01,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:01,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:01,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:01,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01" (1/1) ... [2021-11-23 15:42:01,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01" (1/1) ... [2021-11-23 15:42:02,061 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4128 [2021-11-23 15:42:02,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:02,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:02,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:02,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:02,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01" (1/1) ... [2021-11-23 15:42:02,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01" (1/1) ... [2021-11-23 15:42:02,140 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01" (1/1) ... [2021-11-23 15:42:02,147 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01" (1/1) ... [2021-11-23 15:42:02,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01" (1/1) ... [2021-11-23 15:42:02,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01" (1/1) ... [2021-11-23 15:42:02,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01" (1/1) ... [2021-11-23 15:42:02,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:02,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:02,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:02,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:02,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:01" (1/1) ... [2021-11-23 15:42:02,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:02,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:02,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:02,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:42:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:42:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:02,622 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:02,624 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:21,045 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:21,098 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 15:42:21,104 INFO L158 Benchmark]: Toolchain (without parser) took 21786.66ms. Allocated memory was 75.5MB in the beginning and 197.1MB in the end (delta: 121.6MB). Free memory was 50.7MB in the beginning and 112.7MB in the end (delta: -62.1MB). Peak memory consumption was 119.8MB. Max. memory is 16.1GB. [2021-11-23 15:42:21,104 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:21,106 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2486.33ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 50.5MB in the beginning and 62.0MB in the end (delta: -11.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2021-11-23 15:42:21,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 256.05ms. Allocated memory is still 102.8MB. Free memory was 62.0MB in the beginning and 36.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:42:21,108 INFO L158 Benchmark]: Boogie Preprocessor took 290.79ms. Allocated memory is still 102.8MB. Free memory was 36.9MB in the beginning and 38.4MB in the end (delta: -1.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-23 15:42:21,109 INFO L158 Benchmark]: RCFGBuilder took 18746.86ms. Allocated memory was 102.8MB in the beginning and 197.1MB in the end (delta: 94.4MB). Free memory was 38.4MB in the beginning and 112.7MB in the end (delta: -74.3MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2021-11-23 15:42:21,113 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 75.5MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2486.33ms. Allocated memory was 75.5MB in the beginning and 102.8MB in the end (delta: 27.3MB). Free memory was 50.5MB in the beginning and 62.0MB in the end (delta: -11.6MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 256.05ms. Allocated memory is still 102.8MB. Free memory was 62.0MB in the beginning and 36.9MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 290.79ms. Allocated memory is still 102.8MB. Free memory was 36.9MB in the beginning and 38.4MB in the end (delta: -1.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * RCFGBuilder took 18746.86ms. Allocated memory was 102.8MB in the beginning and 197.1MB in the end (delta: 94.4MB). Free memory was 38.4MB in the beginning and 112.7MB in the end (delta: -74.3MB). Peak memory consumption was 79.9MB. 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 15:42:21,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e8fa4c5-617a-4f60-a90f-fc27f58a2e37/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