./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test25-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/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_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test25-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/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_15358779-45c8-466a-9af7-154d8bff24d1/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 04738ccb45e87cb71ee901a776c43e93b7c292454abcb1b1134d9ecc09485bab --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:32,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:32,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:32,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:32,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:32,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:32,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:32,836 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:32,839 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:32,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:32,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:32,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:32,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:32,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:32,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:32,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:32,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:32,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:32,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:32,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:32,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:32,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:32,877 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:32,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:32,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:32,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:32,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:32,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:32,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:32,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:32,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:32,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:32,896 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:32,897 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:32,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:32,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:32,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:32,900 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:32,900 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:32,901 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:32,902 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:32,903 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:37:32,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:32,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:32,946 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:37:32,947 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:37:32,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:32,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:32,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:32,948 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:37:32,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:37:32,949 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:37:32,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:32,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:37:32,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:32,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:37:32,951 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:37:32,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:37:32,951 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:32,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:37:32,952 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:32,952 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:32,952 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:32,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:32,953 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:32,953 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:32,953 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:37:32,953 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:37:32,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:37:32,954 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:37:32,954 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_15358779-45c8-466a-9af7-154d8bff24d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04738ccb45e87cb71ee901a776c43e93b7c292454abcb1b1134d9ecc09485bab [2021-11-23 15:37:33,225 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:33,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:33,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:33,249 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:33,250 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:33,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/test25-2.c [2021-11-23 15:37:33,319 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/data/f6fbfab6a/0d176bc8d3f94ea88695ed26f1803536/FLAGaa860be9f [2021-11-23 15:37:33,825 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:33,825 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/sv-benchmarks/c/ldv-regression/test25-2.c [2021-11-23 15:37:33,831 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/data/f6fbfab6a/0d176bc8d3f94ea88695ed26f1803536/FLAGaa860be9f [2021-11-23 15:37:34,198 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/data/f6fbfab6a/0d176bc8d3f94ea88695ed26f1803536 [2021-11-23 15:37:34,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:34,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:34,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:34,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:34,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:34,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58cd2c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34, skipping insertion in model container [2021-11-23 15:37:34,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:34,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:34,448 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_15358779-45c8-466a-9af7-154d8bff24d1/sv-benchmarks/c/ldv-regression/test25-2.c[949,962] [2021-11-23 15:37:34,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:34,460 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:34,479 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_15358779-45c8-466a-9af7-154d8bff24d1/sv-benchmarks/c/ldv-regression/test25-2.c[949,962] [2021-11-23 15:37:34,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:34,493 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:34,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34 WrapperNode [2021-11-23 15:37:34,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:34,495 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:34,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:34,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:34,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,533 INFO L137 Inliner]: procedures = 16, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2021-11-23 15:37:34,533 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:34,534 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:34,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:34,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:34,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,546 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:34,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:34,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:34,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:34,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:34" (1/1) ... [2021-11-23 15:37:34,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:34,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:34,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:34,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:37:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:37:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:37:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:37:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:37:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:34,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:37:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:37:34,739 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:34,741 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:34,953 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:37:34,979 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:37:34,983 INFO L158 Benchmark]: Toolchain (without parser) took 780.75ms. Allocated memory is still 104.9MB. Free memory was 66.2MB in the beginning and 64.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:34,984 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:34,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.43ms. Allocated memory is still 104.9MB. Free memory was 66.0MB in the beginning and 79.1MB in the end (delta: -13.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:37:34,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.66ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 77.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:34,987 INFO L158 Benchmark]: Boogie Preprocessor took 27.63ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:34,988 INFO L158 Benchmark]: RCFGBuilder took 419.09ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 64.1MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:37:34,993 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.43ms. Allocated memory is still 104.9MB. Free memory was 66.0MB in the beginning and 79.1MB in the end (delta: -13.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.66ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 77.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.63ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 76.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.09ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 64.1MB in the end (delta: 11.9MB). 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 15:37:35,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/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_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/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_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-regression/test25-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/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_15358779-45c8-466a-9af7-154d8bff24d1/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 04738ccb45e87cb71ee901a776c43e93b7c292454abcb1b1134d9ecc09485bab --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:37:37,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:37:37,478 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:37:37,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:37:37,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:37:37,548 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:37:37,550 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:37:37,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:37:37,558 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:37:37,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:37:37,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:37:37,573 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:37:37,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:37:37,576 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:37:37,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:37:37,584 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:37:37,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:37:37,587 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:37:37,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:37:37,598 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:37:37,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:37:37,602 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:37:37,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:37:37,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:37:37,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:37:37,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:37:37,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:37:37,613 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:37:37,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:37:37,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:37:37,615 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:37:37,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:37:37,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:37:37,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:37:37,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:37:37,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:37:37,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:37:37,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:37:37,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:37:37,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:37:37,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:37:37,638 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:37:37,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:37:37,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:37:37,681 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:37:37,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:37:37,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:37:37,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:37:37,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:37:37,684 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:37:37,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:37:37,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:37:37,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:37:37,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:37:37,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:37:37,686 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:37:37,686 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:37:37,686 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:37:37,687 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:37:37,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:37:37,687 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:37:37,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:37:37,688 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:37:37,688 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:37:37,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:37:37,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:37,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:37:37,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:37:37,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:37:37,689 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:37:37,689 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:37:37,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:37:37,690 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:37:37,690 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:37:37,690 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_15358779-45c8-466a-9af7-154d8bff24d1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 04738ccb45e87cb71ee901a776c43e93b7c292454abcb1b1134d9ecc09485bab [2021-11-23 15:37:38,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:37:38,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:37:38,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:37:38,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:37:38,098 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:37:38,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-regression/test25-2.c [2021-11-23 15:37:38,166 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/data/b276836a2/08b7e2ab755e46e9b3bb1c6fc6eea834/FLAG891281ee9 [2021-11-23 15:37:38,757 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:37:38,758 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/sv-benchmarks/c/ldv-regression/test25-2.c [2021-11-23 15:37:38,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/data/b276836a2/08b7e2ab755e46e9b3bb1c6fc6eea834/FLAG891281ee9 [2021-11-23 15:37:39,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/data/b276836a2/08b7e2ab755e46e9b3bb1c6fc6eea834 [2021-11-23 15:37:39,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:37:39,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:37:39,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:39,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:37:39,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:37:39,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f524004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39, skipping insertion in model container [2021-11-23 15:37:39,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,170 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:37:39,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:37:39,346 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_15358779-45c8-466a-9af7-154d8bff24d1/sv-benchmarks/c/ldv-regression/test25-2.c[949,962] [2021-11-23 15:37:39,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:39,360 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:37:39,402 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_15358779-45c8-466a-9af7-154d8bff24d1/sv-benchmarks/c/ldv-regression/test25-2.c[949,962] [2021-11-23 15:37:39,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:37:39,422 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:37:39,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39 WrapperNode [2021-11-23 15:37:39,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:37:39,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:39,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:37:39,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:37:39,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,463 INFO L137 Inliner]: procedures = 18, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2021-11-23 15:37:39,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:37:39,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:37:39,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:37:39,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:37:39,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,505 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:37:39,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:37:39,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:37:39,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:37:39,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:37:39" (1/1) ... [2021-11-23 15:37:39,517 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:37:39,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:37:39,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:37:39,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:37:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:37:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:37:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:37:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:37:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:37:39,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:37:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:37:39,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:37:39,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:37:39,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:37:39,740 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:37:39,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:37:40,038 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:37:40,059 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:37:40,063 INFO L158 Benchmark]: Toolchain (without parser) took 907.18ms. Allocated memory is still 67.1MB. Free memory was 49.0MB in the beginning and 42.1MB in the end (delta: 6.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-11-23 15:37:40,064 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:40,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.51ms. Allocated memory is still 67.1MB. Free memory was 48.8MB in the beginning and 38.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:37:40,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.63ms. Allocated memory is still 67.1MB. Free memory was 38.1MB in the beginning and 36.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:37:40,067 INFO L158 Benchmark]: Boogie Preprocessor took 43.34ms. Allocated memory is still 67.1MB. Free memory was 36.5MB in the beginning and 35.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:37:40,068 INFO L158 Benchmark]: RCFGBuilder took 552.53ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 42.1MB in the end (delta: -7.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-11-23 15:37:40,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 67.1MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 267.51ms. Allocated memory is still 67.1MB. Free memory was 48.8MB in the beginning and 38.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.63ms. Allocated memory is still 67.1MB. Free memory was 38.1MB in the beginning and 36.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.34ms. Allocated memory is still 67.1MB. Free memory was 36.5MB in the beginning and 35.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.53ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 42.1MB in the end (delta: -7.2MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:37:40,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15358779-45c8-466a-9af7-154d8bff24d1/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