./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.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_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/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_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/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_838c5671-c305-478a-8aa9-a5130ee8f9ba/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 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:44,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:44,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:44,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:44,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:44,362 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:44,364 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:44,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:44,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:44,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:44,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:44,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:44,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:44,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:44,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:44,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:44,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:44,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:44,396 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:44,405 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:44,407 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:44,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:44,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:44,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:44,423 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:44,424 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:44,424 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:44,426 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:44,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:44,428 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:44,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:44,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:44,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:44,434 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:44,436 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:44,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:44,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:44,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:44,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:44,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:44,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:44,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:02:44,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:44,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:44,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:44,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:44,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:44,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:44,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:44,496 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:44,496 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:44,497 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:44,498 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:44,498 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:44,498 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:44,499 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:44,499 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:44,499 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:44,500 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:44,500 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:44,500 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:44,501 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:44,501 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:44,501 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:44,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:44,502 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:44,502 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:44,503 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:44,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:44,503 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:44,504 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_838c5671-c305-478a-8aa9-a5130ee8f9ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c [2021-11-23 15:02:44,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:44,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:44,880 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:44,882 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:44,883 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:44,885 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2021-11-23 15:02:44,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/data/97f0cb02e/af885302ca6949aa814dd5814bf42bea/FLAGb2093ff45 [2021-11-23 15:02:45,441 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:45,442 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2021-11-23 15:02:45,449 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/data/97f0cb02e/af885302ca6949aa814dd5814bf42bea/FLAGb2093ff45 [2021-11-23 15:02:45,845 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/data/97f0cb02e/af885302ca6949aa814dd5814bf42bea [2021-11-23 15:02:45,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:45,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:45,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:45,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:45,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:45,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e23d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:45, skipping insertion in model container [2021-11-23 15:02:45,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:45" (1/1) ... [2021-11-23 15:02:45,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:45,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:46,112 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_838c5671-c305-478a-8aa9-a5130ee8f9ba/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2021-11-23 15:02:46,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:46,150 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:46,166 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_838c5671-c305-478a-8aa9-a5130ee8f9ba/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2021-11-23 15:02:46,188 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:46,212 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:46,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46 WrapperNode [2021-11-23 15:02:46,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:46,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:46,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:46,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:46,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:46,233 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:46,251 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2021-11-23 15:02:46,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:46,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:46,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:46,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:46,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:46,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:46,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:46,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:46,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:46,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:46,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:46,271 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:46,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:46,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:46,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:46,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:46" (1/1) ... [2021-11-23 15:02:46,293 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:46,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:46,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:46,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:02:46,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:46,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:02:46,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:02:46,414 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:46,416 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:46,570 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:46,602 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 15:02:46,607 INFO L158 Benchmark]: Toolchain (without parser) took 755.91ms. Allocated memory is still 102.8MB. Free memory was 71.2MB in the beginning and 66.2MB in the end (delta: 5.0MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:46,608 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:46,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.31ms. Allocated memory is still 102.8MB. Free memory was 70.9MB in the beginning and 78.4MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:02:46,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.15ms. Allocated memory is still 102.8MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:46,611 INFO L158 Benchmark]: Boogie Preprocessor took 32.16ms. Allocated memory is still 102.8MB. Free memory was 77.1MB in the beginning and 75.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:46,612 INFO L158 Benchmark]: RCFGBuilder took 320.24ms. Allocated memory is still 102.8MB. Free memory was 75.9MB in the beginning and 66.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:02:46,617 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 102.8MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.31ms. Allocated memory is still 102.8MB. Free memory was 70.9MB in the beginning and 78.4MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.15ms. Allocated memory is still 102.8MB. Free memory was 78.4MB in the beginning and 77.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.16ms. Allocated memory is still 102.8MB. Free memory was 77.1MB in the beginning and 75.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 320.24ms. Allocated memory is still 102.8MB. Free memory was 75.9MB in the beginning and 66.2MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. 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 15:02:46,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/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_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/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_838c5671-c305-478a-8aa9-a5130ee8f9ba/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 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:49,067 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:49,071 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:49,123 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:49,124 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:49,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:49,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:49,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:49,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:49,136 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:49,137 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:49,138 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:49,139 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:49,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:49,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:49,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:49,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:49,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:49,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:49,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:49,153 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:49,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:49,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:49,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:49,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:49,162 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:49,162 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:49,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:49,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:49,165 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:49,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:49,167 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:49,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:49,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:49,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:49,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:49,171 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:49,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:49,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:49,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:49,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:49,175 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:02:49,210 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:49,212 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:49,214 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:02:49,214 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:02:49,216 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:49,216 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:49,216 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:49,217 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:49,217 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:49,217 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:49,218 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:02:49,219 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:49,219 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:02:49,219 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:49,219 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:49,220 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:49,220 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:49,220 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:02:49,220 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:49,221 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:02:49,221 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:49,221 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:49,221 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:49,222 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:49,222 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:49,222 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:49,222 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:02:49,223 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:49,223 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:49,223 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:02:49,223 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:49,224 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:49,224 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_838c5671-c305-478a-8aa9-a5130ee8f9ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bb6ea6333d2c4e133ad252fe2bcbc17b832f383e2bb5defb402851de157204c [2021-11-23 15:02:49,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:49,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:49,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:49,663 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:49,664 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:49,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2021-11-23 15:02:49,733 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/data/8bbe2609b/1f40ec411d504b4bba35e2f2e8da5d7e/FLAG111efbb93 [2021-11-23 15:02:50,280 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:50,281 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c [2021-11-23 15:02:50,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/data/8bbe2609b/1f40ec411d504b4bba35e2f2e8da5d7e/FLAG111efbb93 [2021-11-23 15:02:50,609 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/data/8bbe2609b/1f40ec411d504b4bba35e2f2e8da5d7e [2021-11-23 15:02:50,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:50,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:50,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:50,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:50,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:50,620 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:50" (1/1) ... [2021-11-23 15:02:50,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f5af4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:50, skipping insertion in model container [2021-11-23 15:02:50,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:50" (1/1) ... [2021-11-23 15:02:50,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:50,650 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:50,846 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_838c5671-c305-478a-8aa9-a5130ee8f9ba/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2021-11-23 15:02:50,917 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:50,928 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:50,968 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_838c5671-c305-478a-8aa9-a5130ee8f9ba/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_unwindbound50.c[597,610] [2021-11-23 15:02:50,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:51,011 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:51,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51 WrapperNode [2021-11-23 15:02:51,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:51,013 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:51,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:51,014 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:51,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,030 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,054 INFO L137 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2021-11-23 15:02:51,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:51,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:51,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:51,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:51,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:51,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:51,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:51,105 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:51,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:51" (1/1) ... [2021-11-23 15:02:51,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:51,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:51,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:51,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:02:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:02:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:02:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:02:51,279 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:51,281 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:51,776 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:02:51,795 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 15:02:51,799 INFO L158 Benchmark]: Toolchain (without parser) took 1185.12ms. Allocated memory is still 62.9MB. Free memory was 43.4MB in the beginning and 32.4MB in the end (delta: 10.9MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 15:02:51,800 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:51,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 397.83ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 45.8MB in the end (delta: -2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:51,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.64ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 44.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:51,803 INFO L158 Benchmark]: Boogie Preprocessor took 48.36ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 43.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:51,804 INFO L158 Benchmark]: RCFGBuilder took 692.78ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 32.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:02:51,808 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 62.9MB. Free memory is still 45.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 397.83ms. Allocated memory is still 62.9MB. Free memory was 43.3MB in the beginning and 45.8MB in the end (delta: -2.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.64ms. Allocated memory is still 62.9MB. Free memory was 45.6MB in the beginning and 44.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.36ms. Allocated memory is still 62.9MB. Free memory was 44.1MB in the beginning and 43.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 692.78ms. Allocated memory is still 62.9MB. Free memory was 43.0MB in the beginning and 32.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. 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 15:02:51,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_838c5671-c305-478a-8aa9-a5130ee8f9ba/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