./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_1_2.i --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_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/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_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/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_b3a6c6c5-a694-427d-aa90-f54990b04252/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 65d58fd3e8c5638a351c469fc6c6b86b0bc6efe1f0f08d6df11bfe5a3616f3a3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:05,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:05,443 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:05,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:05,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:05,484 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:05,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:05,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:05,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:05,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:05,494 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:05,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:05,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:05,497 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:05,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:05,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:05,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:05,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:05,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:05,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:05,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:05,512 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:05,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:05,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:05,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:05,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:05,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:05,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:05,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:05,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:05,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:05,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:05,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:05,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:05,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:05,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:05,546 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:05,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:05,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:05,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:05,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:05,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:05,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:05,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:05,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:05,598 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:05,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:05,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:05,600 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:05,600 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:05,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:05,601 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:05,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:05,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:05,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:05,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:05,609 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:05,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:05,609 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:05,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:05,610 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:05,610 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:05,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:05,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:05,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:05,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:05,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:05,612 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:05,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:05,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:05,612 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_b3a6c6c5-a694-427d-aa90-f54990b04252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d58fd3e8c5638a351c469fc6c6b86b0bc6efe1f0f08d6df11bfe5a3616f3a3 [2021-11-23 15:05:05,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:05,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:05,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:05,944 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:05,945 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:05,947 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_4+newton_1_2.i [2021-11-23 15:05:06,020 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/data/34997cdab/a289418eaf1d48c59b46f6a9ddb21ad1/FLAGa45f928a0 [2021-11-23 15:05:06,569 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:06,570 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/sv-benchmarks/c/combinations/gcd_4+newton_1_2.i [2021-11-23 15:05:06,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/data/34997cdab/a289418eaf1d48c59b46f6a9ddb21ad1/FLAGa45f928a0 [2021-11-23 15:05:06,919 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/data/34997cdab/a289418eaf1d48c59b46f6a9ddb21ad1 [2021-11-23 15:05:06,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:06,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:06,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:06,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:06,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:06,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e19f467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:06, skipping insertion in model container [2021-11-23 15:05:06,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:06" (1/1) ... [2021-11-23 15:05:06,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:06,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:07,122 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_b3a6c6c5-a694-427d-aa90-f54990b04252/sv-benchmarks/c/combinations/gcd_4+newton_1_2.i[1224,1237] [2021-11-23 15:05:07,156 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_b3a6c6c5-a694-427d-aa90-f54990b04252/sv-benchmarks/c/combinations/gcd_4+newton_1_2.i[2806,2819] [2021-11-23 15:05:07,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:07,166 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:07,178 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_b3a6c6c5-a694-427d-aa90-f54990b04252/sv-benchmarks/c/combinations/gcd_4+newton_1_2.i[1224,1237] [2021-11-23 15:05:07,190 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_b3a6c6c5-a694-427d-aa90-f54990b04252/sv-benchmarks/c/combinations/gcd_4+newton_1_2.i[2806,2819] [2021-11-23 15:05:07,191 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:07,205 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:07,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07 WrapperNode [2021-11-23 15:05:07,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:07,207 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:07,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:07,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:07,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,245 INFO L137 Inliner]: procedures = 27, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 73 [2021-11-23 15:05:07,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:07,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:07,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:07,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:07,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,257 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,257 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:07,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:07,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:07,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:07,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:07" (1/1) ... [2021-11-23 15:05:07,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:07,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:07,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:07,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:05:07,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:07,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:05:07,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:05:07,423 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:07,425 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:07,641 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:07,676 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 15:05:07,691 INFO L158 Benchmark]: Toolchain (without parser) took 767.60ms. Allocated memory is still 94.4MB. Free memory was 63.2MB in the beginning and 54.4MB in the end (delta: 8.8MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,692 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:07,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.93ms. Allocated memory is still 94.4MB. Free memory was 63.0MB in the beginning and 68.3MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,694 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.51ms. Allocated memory is still 94.4MB. Free memory was 68.3MB in the beginning and 66.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,695 INFO L158 Benchmark]: Boogie Preprocessor took 31.33ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 65.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:07,696 INFO L158 Benchmark]: RCFGBuilder took 411.55ms. Allocated memory is still 94.4MB. Free memory was 65.2MB in the beginning and 54.4MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:07,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 94.4MB. Free memory was 46.6MB in the beginning and 46.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.93ms. Allocated memory is still 94.4MB. Free memory was 63.0MB in the beginning and 68.3MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.51ms. Allocated memory is still 94.4MB. Free memory was 68.3MB in the beginning and 66.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.33ms. Allocated memory is still 94.4MB. Free memory was 66.5MB in the beginning and 65.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 411.55ms. Allocated memory is still 94.4MB. Free memory was 65.2MB in the beginning and 54.4MB in the end (delta: 10.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:07,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/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_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/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_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/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_b3a6c6c5-a694-427d-aa90-f54990b04252/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 65d58fd3e8c5638a351c469fc6c6b86b0bc6efe1f0f08d6df11bfe5a3616f3a3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:10,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:10,197 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:10,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:10,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:10,253 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:10,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:10,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:10,262 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:10,267 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:10,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:10,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:10,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:10,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:10,277 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:10,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:10,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:10,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:10,286 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:10,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:10,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:10,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:10,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:10,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:10,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:10,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:10,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:10,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:10,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:10,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:10,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:10,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:10,322 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:10,323 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:10,324 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:10,324 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:10,325 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:10,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:10,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:10,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:10,351 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:10,352 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:10,394 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:10,394 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:10,395 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:10,395 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:10,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:10,397 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:10,397 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:10,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:10,397 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:10,398 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:10,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:10,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:10,399 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:10,399 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:10,399 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:10,400 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:10,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:10,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:10,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:10,400 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:10,401 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:10,401 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:10,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:10,401 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:10,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:10,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:10,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:10,402 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:10,402 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:10,402 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:10,402 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:10,403 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:10,403 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_b3a6c6c5-a694-427d-aa90-f54990b04252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 65d58fd3e8c5638a351c469fc6c6b86b0bc6efe1f0f08d6df11bfe5a3616f3a3 [2021-11-23 15:05:10,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:10,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:10,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:10,818 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:10,818 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:10,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/combinations/gcd_4+newton_1_2.i [2021-11-23 15:05:10,888 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/data/46146c416/7f008ee5e46243a5ae832456c72f7ddf/FLAG3c81849f4 [2021-11-23 15:05:11,351 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:11,352 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/sv-benchmarks/c/combinations/gcd_4+newton_1_2.i [2021-11-23 15:05:11,360 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/data/46146c416/7f008ee5e46243a5ae832456c72f7ddf/FLAG3c81849f4 [2021-11-23 15:05:11,726 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/data/46146c416/7f008ee5e46243a5ae832456c72f7ddf [2021-11-23 15:05:11,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:11,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:11,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:11,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:11,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:11,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f75c22e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:11, skipping insertion in model container [2021-11-23 15:05:11,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:11" (1/1) ... [2021-11-23 15:05:11,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:11,802 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:11,933 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_b3a6c6c5-a694-427d-aa90-f54990b04252/sv-benchmarks/c/combinations/gcd_4+newton_1_2.i[1224,1237] [2021-11-23 15:05:11,959 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_b3a6c6c5-a694-427d-aa90-f54990b04252/sv-benchmarks/c/combinations/gcd_4+newton_1_2.i[2806,2819] [2021-11-23 15:05:11,961 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:11,973 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:12,003 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_b3a6c6c5-a694-427d-aa90-f54990b04252/sv-benchmarks/c/combinations/gcd_4+newton_1_2.i[1224,1237] [2021-11-23 15:05:12,037 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_b3a6c6c5-a694-427d-aa90-f54990b04252/sv-benchmarks/c/combinations/gcd_4+newton_1_2.i[2806,2819] [2021-11-23 15:05:12,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:12,054 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:12,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12 WrapperNode [2021-11-23 15:05:12,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:12,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:12,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:12,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:12,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,075 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,098 INFO L137 Inliner]: procedures = 28, calls = 16, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 70 [2021-11-23 15:05:12,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:12,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:12,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:12,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:12,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,121 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:12,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:12,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:12,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:12,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:12" (1/1) ... [2021-11-23 15:05:12,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:12,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:12,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:12,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:12,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:12,232 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:05:12,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:05:12,323 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:12,325 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:34,329 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:34,351 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 15:05:34,364 INFO L158 Benchmark]: Toolchain (without parser) took 22633.10ms. Allocated memory is still 79.7MB. Free memory was 44.8MB in the beginning and 47.9MB in the end (delta: -3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:34,365 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:34,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 310.50ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 62.5MB in the end (delta: -17.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:34,366 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.59ms. Allocated memory is still 79.7MB. Free memory was 62.5MB in the beginning and 60.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:34,367 INFO L158 Benchmark]: Boogie Preprocessor took 32.81ms. Allocated memory is still 79.7MB. Free memory was 60.8MB in the beginning and 59.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:34,368 INFO L158 Benchmark]: RCFGBuilder took 22229.65ms. Allocated memory is still 79.7MB. Free memory was 59.2MB in the beginning and 47.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:05:34,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 79.7MB. Free memory is still 61.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 310.50ms. Allocated memory is still 79.7MB. Free memory was 44.6MB in the beginning and 62.5MB in the end (delta: -17.9MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.59ms. Allocated memory is still 79.7MB. Free memory was 62.5MB in the beginning and 60.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.81ms. Allocated memory is still 79.7MB. Free memory was 60.8MB in the beginning and 59.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 22229.65ms. Allocated memory is still 79.7MB. Free memory was 59.2MB in the beginning and 47.9MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:34,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3a6c6c5-a694-427d-aa90-f54990b04252/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