./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.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_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/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_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/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_30ec6fe5-21c5-48aa-a277-3b457acde032/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 e5903ff87e76f5c38f2f015436bd4a2c11a1411b3a93f272aa9f876a0a3f4d37 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:40,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:40,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:40,848 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:40,849 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:40,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:40,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:40,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:40,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:40,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:40,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:40,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:40,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:40,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:40,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:40,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:40,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:40,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:40,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:40,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:40,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:40,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:40,881 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:40,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:40,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:40,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:40,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:40,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:40,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:40,901 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:40,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:40,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:40,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:40,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:40,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:40,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:40,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:40,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:40,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:40,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:40,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:40,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:39:40,961 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:40,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:40,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:40,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:40,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:40,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:40,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:40,965 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:40,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:39:40,971 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:40,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:40,973 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:40,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:40,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:40,974 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:40,974 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:40,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:40,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:40,974 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:40,975 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:40,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:40,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:40,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:40,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:40,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:40,976 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:39:40,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:39:40,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:40,977 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_30ec6fe5-21c5-48aa-a277-3b457acde032/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5903ff87e76f5c38f2f015436bd4a2c11a1411b3a93f272aa9f876a0a3f4d37 [2021-11-23 15:39:41,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:41,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:41,289 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:41,290 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:41,292 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:41,293 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2021-11-23 15:39:41,384 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/data/806230555/b9756eff5f87492790769fac842c912a/FLAG322dbe872 [2021-11-23 15:39:41,987 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:41,987 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2021-11-23 15:39:41,994 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/data/806230555/b9756eff5f87492790769fac842c912a/FLAG322dbe872 [2021-11-23 15:39:42,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/data/806230555/b9756eff5f87492790769fac842c912a [2021-11-23 15:39:42,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:42,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:42,364 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:42,364 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:42,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:42,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6adf0517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42, skipping insertion in model container [2021-11-23 15:39:42,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:42,394 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:42,585 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_30ec6fe5-21c5-48aa-a277-3b457acde032/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2021-11-23 15:39:42,601 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:42,609 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:42,621 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_30ec6fe5-21c5-48aa-a277-3b457acde032/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2021-11-23 15:39:42,628 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:42,639 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:42,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42 WrapperNode [2021-11-23 15:39:42,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:42,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:42,641 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:42,641 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:42,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,674 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2021-11-23 15:39:42,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:42,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:42,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:42,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:42,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,695 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:42,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:42,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:42,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:42,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:42" (1/1) ... [2021-11-23 15:39:42,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:42,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:42,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:42,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:42,789 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:39:42,789 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:39:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:39:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:42,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:42,790 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:39:42,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:39:42,852 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:42,854 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:42,997 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:43,016 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 15:39:43,020 INFO L158 Benchmark]: Toolchain (without parser) took 661.36ms. Allocated memory is still 102.8MB. Free memory was 69.6MB in the beginning and 64.7MB in the end (delta: 4.9MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2021-11-23 15:39:43,021 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 102.8MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:43,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.71ms. Allocated memory is still 102.8MB. Free memory was 69.5MB in the beginning and 77.3MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:39:43,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.58ms. Allocated memory is still 102.8MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:43,025 INFO L158 Benchmark]: Boogie Preprocessor took 21.96ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 74.9MB in the end (delta: 841.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:43,026 INFO L158 Benchmark]: RCFGBuilder took 319.91ms. Allocated memory is still 102.8MB. Free memory was 74.9MB in the beginning and 64.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:43,032 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 102.8MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.71ms. Allocated memory is still 102.8MB. Free memory was 69.5MB in the beginning and 77.3MB in the end (delta: -7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.58ms. Allocated memory is still 102.8MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.96ms. Allocated memory is still 102.8MB. Free memory was 75.7MB in the beginning and 74.9MB in the end (delta: 841.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.91ms. Allocated memory is still 102.8MB. Free memory was 74.9MB in the beginning and 64.7MB in the end (delta: 10.1MB). 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 15:39:43,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/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_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/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_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/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_30ec6fe5-21c5-48aa-a277-3b457acde032/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 e5903ff87e76f5c38f2f015436bd4a2c11a1411b3a93f272aa9f876a0a3f4d37 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:45,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:45,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:45,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:45,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:45,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:45,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:45,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:45,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:45,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:45,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:45,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:45,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:45,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:45,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:45,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:45,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:45,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:45,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:45,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:45,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:45,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:45,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:45,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:45,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:45,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:45,913 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:45,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:45,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:45,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:45,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:45,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:45,921 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:45,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:45,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:45,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:45,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:45,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:45,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:45,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:45,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:45,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:39:45,977 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:45,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:45,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:45,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:45,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:45,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:45,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:45,983 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:45,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:45,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:45,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:45,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:45,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:45,986 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:39:45,986 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:39:45,986 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:39:45,986 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:45,987 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:45,987 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:45,987 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:45,987 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:45,988 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:45,988 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:45,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:45,989 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:45,989 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:45,989 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:45,989 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:39:45,990 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:39:45,990 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:45,990 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:39:45,990 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:39:45,991 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_30ec6fe5-21c5-48aa-a277-3b457acde032/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5903ff87e76f5c38f2f015436bd4a2c11a1411b3a93f272aa9f876a0a3f4d37 [2021-11-23 15:39:46,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:46,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:46,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:46,436 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:46,437 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:46,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2021-11-23 15:39:46,533 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/data/1301f1ced/fb25d6ab4a774eabaedc23728fa84165/FLAG4409c56ce [2021-11-23 15:39:47,095 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:47,095 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2021-11-23 15:39:47,102 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/data/1301f1ced/fb25d6ab4a774eabaedc23728fa84165/FLAG4409c56ce [2021-11-23 15:39:47,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/data/1301f1ced/fb25d6ab4a774eabaedc23728fa84165 [2021-11-23 15:39:47,446 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:47,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:47,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:47,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:47,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:47,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f7d575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47, skipping insertion in model container [2021-11-23 15:39:47,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:47,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:47,640 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_30ec6fe5-21c5-48aa-a277-3b457acde032/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2021-11-23 15:39:47,700 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:47,713 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:47,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i[950,963] [2021-11-23 15:39:47,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:47,767 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:47,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47 WrapperNode [2021-11-23 15:39:47,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:47,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:47,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:47,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:47,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,786 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,806 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 54 [2021-11-23 15:39:47,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:47,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:47,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:47,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:47,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:47,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:47,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:47,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:47,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:47" (1/1) ... [2021-11-23 15:39:47,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:47,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:47,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:47,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:47,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:39:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 15:39:47,968 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 15:39:47,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:47,969 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-11-23 15:39:47,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-11-23 15:39:48,056 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:48,059 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:48,265 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:48,280 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 15:39:48,286 INFO L158 Benchmark]: Toolchain (without parser) took 837.23ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 29.2MB in the beginning and 39.2MB in the end (delta: -10.0MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2021-11-23 15:39:48,288 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:48,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 319.11ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 51.7MB in the end (delta: -22.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 15:39:48,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.76ms. Allocated memory is still 69.2MB. Free memory was 51.7MB in the beginning and 50.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:48,292 INFO L158 Benchmark]: Boogie Preprocessor took 61.61ms. Allocated memory is still 69.2MB. Free memory was 50.1MB in the beginning and 49.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:48,294 INFO L158 Benchmark]: RCFGBuilder took 413.74ms. Allocated memory is still 69.2MB. Free memory was 49.0MB in the beginning and 39.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:48,300 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 52.4MB. Free memory was 33.3MB in the beginning and 33.2MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 319.11ms. Allocated memory was 52.4MB in the beginning and 69.2MB in the end (delta: 16.8MB). Free memory was 29.0MB in the beginning and 51.7MB in the end (delta: -22.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.76ms. Allocated memory is still 69.2MB. Free memory was 51.7MB in the beginning and 50.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.61ms. Allocated memory is still 69.2MB. Free memory was 50.1MB in the beginning and 49.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 413.74ms. Allocated memory is still 69.2MB. Free memory was 49.0MB in the beginning and 39.2MB in the end (delta: 9.8MB). 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 15:39:48,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_30ec6fe5-21c5-48aa-a277-3b457acde032/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